详解继电保护的原理和分类

2024-07-11 TOPPOWER官网
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继电保护(Relay Protection)是电力系统中保护设备和电气设备的一种重要保护措施,其主要作用是在电力系统发生故障时,快速检测并隔离故障,以保护设备和维持系统的稳定运行。下面是关于继电保护的原理和分类的详细解释:


继电保护的原理:

故障检测:

继电保护设备通过监测电力系统中的电流、电压等参数,检测是否有异常情况(如短路、过电流等)发生。


故障定位:

一旦检测到电力系统中有故障,继电保护设备会根据预设的保护动作条件,快速确定故障发生的位置,例如在何处的电路出现了故障。


动作输出:

继电保护设备在确认故障后,会输出信号给断路器或其他开关装置,进行相应的动作,以隔离故障,防止其影响整个电力系统的稳定运行。


继电保护的分类:

继电保护可以根据其功能、安装位置、故障类型等不同标准进行分类,主要包括以下几类:


按功能分类:

过电流保护:监测电流是否超过设定值,用于检测和隔离过电流故障。

过载保护:监测设备是否超载,防止设备长时间过载而损坏。

欠电压保护:在电压降低到一定程度时,保护设备免受欠电压影响。

过电压保护:检测和隔离电力系统中的过电压,防止设备受损。

差动保护:比较电流或电压的差值,用于检测线路上的短路故障。

接地保护:保护设备和人员免受接地故障的影响。

频率保护:监测电力系统的频率是否在正常范围内,防止因频率异常而引起的设备损坏。


按安装位置分类:

主保护:直接安装在电力系统主要设备上,如变压器、发电机等,负责直接保护这些设备。

备用保护:作为主保护的备份,通常安装在主保护设备之外,用于当主保护设备失效时起作用。


按动作速度分类:

快速保护:需要在故障发生后迅速动作,以尽快隔离故障,保护系统。

延时保护:在故障后有一定的时间延迟后才动作,以区分瞬时故障和持续故障。


按故障类型分类:

短路保护:专门用于检测和隔离线路上的短路故障。

地闸保护:用于检测和隔离接地故障,如接地短路等。


继电保护系统的设计和配置通常根据电力系统的复杂程度、可靠性要求和安全性考虑来确定,以确保电力系统能够在故障发生时及时、有效地保护设备和人员安全,同时保证电力系统的稳定运行。


授权代理商:世强先进(深圳)科技股份有限公司
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本文由Vicky转载自TOPPOWER官网,原文标题为:什么是继电保护?继电保护的原理和分类,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。

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LITTELFUSE  -  BACKUP SWITCHES,旋转雨刮器开关,PAL LOCKING FEMALE TERMINAL,CARTRIDGE FUSES,中性安全球开关,CONTROL SWITCHES,通用点火开关,BRASS BODY LEVER,杆式动力输出连接器,密封点火开关,IGNITION SWITCHES,REVERSE RELAY MODULE,开关按钮,ZCASE® FUSE HOLDER,BATTERY SWITCH,CONDUCTOR CABLE,GLASS CERAMIC FUSES,保险丝测试器,多位置保险丝盒,标准大电流继电器,标准重型摇臂开关,双稳态继电器,点火开关,13-POLE CONNECTORS,IN-LINE SPLASH RESISTANT FUSE HOLDER,UNIVERSAL ROTARY SWITCHES,DOUBLE-POLE BATTERY SWITCHES,紧凑型密封硬接线箱,STANDARD HIGH CURRENT RELAYS,船用开关,SPECIALTY SWITCHES,SMALL ROUND LENS PILOT LIGHT,连接的配电模块,ANTI VANDAL PUSH BUTTON SWITCHES,专业OEM ATO®基底面断路器,BUZZER PULL SWITCH,GLASS FUSE BLOCK,玻璃陶瓷保险丝,BATTERY ISOLATORS,INSULATED PILOT LIGHT,发光拨动开关,重型高功率和微型插入式继电器,HD延时双稳态继电器,瞬时开关,接线端子,电缆保护器,保险丝和断路器,TRACTOR-TRAILER CONNECTORS,叉车式保险丝,反转电磁阀,SPECIALIZED DOOR MOMENTARY SWITCHES,RETAIL CARDED KITS,MINI® FUSE HARD-WIRED BOX,PAL锁定母端子,连续工作双回路电磁阀,热断路器,HIGH VOLTAGE POWER DISTRIBUTION UNIT,DC UNIVERSAL BUZZER,密封直插式ATO®保险丝座,BUZZERS,ELECTROMECHANICAL SWITCHES,BOLT-DOWN FUSES,4-GANG STEEL BRACKET,UNIVERSAL TRAILER CONNECTORS,PUSH BUTTON SWITCH,METAL BODY MASTER DISCONNECT SWITCHES,船用点火开关,PAL 13/16" BENT MALE TERMINAL,SPECIALIZED PUSH-PULL SWITCHES,应急包,瞬时按钮开关,REVERSING SOLENOIDS,PAL 9/16" BENT MALE TERMINAL,DOOR MOMENTARY SWITCHES,迷你保险丝,密封摇杆开关,HEAVY SERVICE PLASTIC BODY SOLENOIDS,PLUG CONNECTORS WITH RUBBER CAPS,硬线盒,MARINE GRADE IGNITION SWITCHES,ELECTRONIC WINDSHIELD WIPER SWITCHES,电子挡风玻璃雨刮器开关,PANEL LAMPS,智能电池隔离器,SINGLE CONTACT, GROUNDING PANEL LAMPS,单独的馈电螺柱接线端子,快速连接端子,连续工作电磁阀,6极连接器插座,端子排,STANDARD COMPACT MANUAL BATTERY DISCONNECT SWITCH,LATCHING SOLENOIDS,模块化继电器插座,瞬时门开关,控制开关,3螺栓法兰套筒,直流通用蜂鸣器,GLASS FUSE HOLDERS,FARM EQUIPMENT CONNECTORS,专用推拉式开关,直插式保险丝座,直插式通用连接器,按钮开关,直流蜂鸣器,MOMENTARY SWITCHES,MOMENTARY DOOR SWITCHES,CV CHARGER,MEGA®保险丝盒,ZCASE®保险丝座,脚踏转向开关,MARINE SINGLE POLE MAIN BATTERY,MINI®封装断路器,MIDI®保险丝配电箱,电池断路开关,AUTOMOTIVE FUSE BLOCKS,FOOT OPERATED SWITCHES,蓄电池隔离器,AUTO LINK FUSES,断路器安装支架,小圆透镜指示灯,薄型小型保险丝,JBPT单螺柱接线盒,MASTER DISCONNECT SWITCH,大电流开关,TERMINAL BLOCKS,加热器-除霜器开关,POLE POWER TAKE-OFF CONNECTORS,迷笛保险丝,JBPT SINGLE STUD JUNCTION BLOCKS,拨动开关,高压配电装置,绝缘指示灯,HIGH-CURRENT SWITCH,二极管电池隔离器,脚踏式前照灯变光器开关,GENERAL PURPOSE IGNITION SWITCHES,通用ATO®封装断路器,TOGGLE SWITCHES,FLEX HOLDER,SOLENOIDS,PUSH-PULL HEADLAMP SWITCHES,自动连接保险丝,FUSE HOLDERS,备用开关,继电器,JCASE FUSE HOLDERS,普通热馈电玻璃保险丝盒,重型塑料阀体电磁阀,5 STUD ZCASE® FUSE HOLDER,FOOT OPERATED HEADLAMP DIMMER SWITCHES,MOMENTARY PUSH-BUTTON SWITCHES,FUSE BLOCKS,ATO® FUSE HARD-WIRED BOX,BAYONET BASE SOCKETS,陶瓷熔断器,手动电池断路开关,蜂鸣器,前照灯变光器开关,QUICK CONNECT TERMINALS,玻璃保险丝,断路器,电子继电器,HD TIME DELAY BI-STABLE RELAY,LED INDICATOR,FUSIBLE LINKS,PAL AUTO LINK FUSES,ANTI-RESTART IGNITION SWITCHES,分类套件,PAL MINI® FEMALE TERMINAL,蜂鸣器拉线开关,倒档继电器模块,BASE SOCKETS,螺柱安装式保险丝座,旋转开关,船用单极主电池,发动机停止按钮,执照持有人管,ALARMS,单触点,接地面板灯,ELECTRONIC SWITCH,FUSE ASSORTMENT KITS,NEUTRAL SAFETY BALL SWITCHES,BOLT-DOWN FUSE HOLDERS,HEADLAMP DIMMER SWITCHES,直插式防飞溅保险丝座,LIGHTED TOGGLE SWITCHES,IN-LINE FUSE HOLDERS,SEALED IN-LINE ATO® FUSE HOLDERS,变阻器开关,MAXI FUSES,摇臂开关,电机换向间歇工作电磁阀,THERMAL CIRCUIT BREAKERS,7极连接器插头,RELAYS,COMMON HOT FEED GLASS FUSE BLOCK,MIDI® FUSE DISTRIBUTION BOX,蓄电池开关,蓄电池跳线端子,ATO保险丝,MINI®保险丝盒,4 POLE CONNECTOR SOCKETS,CERAMIC FUSES,STOPLAMP SWITCHES,CABLE PROTECTOR,螺柱安装ZCASE®保险丝座,电池组合器,PAL母端子,SINGLE-POLE BATTERY SWITCHES,TERMINAL BLOCK,NON-ILLUMINATED ROCKER SWITCHES,脚踏开关,CONTINUOUS DUTY SOLENOIDS,门瞬时开关,DIODE BATTERY ISOLATORS,蓄电池切断开关,STUD MOUNT ZCASE® FUSE HOLDER,PUSH-PULL SWITCHES,GENERAL PURPOSE BI-STABLE RELAYS,BATTERY POWER FEED KIT,ROCKER SWITCHES,ATO® BLADE FUSES,直列式刀片式保险丝座,POWER DISTRIBUTION MODULE,LOW PROFILE MINI FUSE,保险丝座,COMMON BUSBAR TERMINAL BLOCKS,JCASE® FUSE HARD-WIRED BOX,电子驻车制动开关,BI-STABLE RELAY,STUD MOUNT FUSE HOLDER,标准紧凑型手动蓄电池切断开关,SEALED IN-LINE MINI® FUSE HOLDERS,ROTARY SWITCHES,HIGH-CURRENT RELAY,面板灯,INTERMITTENT DUTY SOLENOIDS,MINI FUSE,船用蓄电池开关,锁定杆套件,电池馈电套件,DUAL POLE MANUAL BATTERY MASTER SWITCH,零售梳理套件,LOCKOUT LEVER KIT,无照明摇臂开关,ASSORTMENT KITS,螺栓保险丝,TIME DELAY,7极连接器插座,BATTERY DISCONNECT SWITCHES,RHEOSTAT SWITCH,闭锁电磁阀,FOOT OPERATED TURN SWITCHES,螺栓固定保险丝座,STANDARD HIGH CURRENT LATCHING SOLENOID,WIDE BODY DUAL ROCKER SWITCHES,PUSH BUTTON SWITCHES,TORPEDO FUSE,START SWITCHES,双极手动蓄电池总开关,带橡胶盖的插头连接器,BI-STABLE LATCHING RELAYS,PAL FEMALE TERMINAL,5螺柱ZCASE®保险丝座,ATO®保险丝硬接线箱,重型点火开关,PAL自动链接保险丝,应急保险丝包,HIGH CURRENT SEALED PRIMARY FUSE BOX,BATTERY MOUNT ZCASE® FUSE HOLDERS,电池安装ZCASE®保险丝座,MICRO2保险丝,主断路开关,MICRO2 FUSE,刀片保险丝模块托盘,SEALED ROCKER SWITCHES,FORKLIFT TYPE FUSES,13极连接器,马克西型断路器,SD ATO®保险丝,保险丝分类套件,熔断块,拖车接头,CONNECTORIZED POWER DISTRIBUTION MODULE,汽车保险丝盒,密封直插式MINI®保险丝座,7-POLE CONNECTOR PLUGS,BLADE FUSE MODULE TRAY,MINI® BLADE FUSES,时间延迟,导体电缆,SEALED IGNITION SWITCHES,ROTARY WIPER SWITCHES,智能蓄电池隔离器,单极电池开关,FOOT OPERATED STARTER SWITCHES,专用交换机,MODULAR RELAY SOCKETS,FUSES AND CIRCUIT BREAKERS,MULTIPLE POSITION FUSE BLOCKS,SD MINI® FUSE BLOCKS,CIRCUIT BREAKER MOUNTING BRACKETS,叶片保险丝,大电流密封式一次保险丝盒,INDIVIDUAL FEED STUD TERMINAL BLOCKS,通用双稳态继电器,COMPACT SEALED HARD-WIRED BOXES,ATO®刀片保险丝,农用设备连接器,PAL 9/16弯曲公端子,防盗电池总开关,ELECTRONIC PARKING BRAKE SWITCH,SD MINI®保险丝盒,ELECTRONIC RELAY,熔丝牵引器,电子开关,车辆连接器,黄铜体杠杆,FUSE TESTER,HEATER-DEFROSTER SWITCHES,柔性支架,ROTARY HEADLAMP SWITCHES,PAL MINI®母端子,MASTER DISCONNECT SWITCHES,HEAVY DUTY IGNITION SWITCHES,MINI® FUSE BOX,FUSE CLIP,车窗升降开关,MEGA® FUSE BLOCK,PAL直插式公端子,公共母线接线端子,4极连接器插座,MIDI FUSES,LED指示灯,BOLT-DOWN FUSE BLOCKS,BATTERY COMBINERS,通用拖车连接器,ATO FUSE,用螺栓固定保险丝盒,MINI®刀片式保险丝,7-POLE CONNECTOR SOCKETS,推挽开关,DIGITAL SWITCHES,ENGINE START BUTTONS,手动蓄电池断路开关,HARD-WIRED BOXES,启动开关,PAL STRAIGHT MALE TERMINAL,盒式保险丝,配电模块,UNIVERSAL ATO® FOOTPRINT CIRCUIT BREAKERS,停车灯开关,INDIVIDUAL FEED SCREW TERMINAL BLOCKS,防重启点火开关,通用旋转开关,SMART BATTERY ISOLATOR,ANTI-THEFT BATTERY MASTER SWITCH,WIDE MINI®基底面断路器,大电流继电器,底座插座,CONTINUOUS DUTY TWO CIRCUIT SOLENOIDS,3-BOLT FLANGE SOCKETS,MANUAL BATTERY DISCONNECT SWITCHES,MINI® FOOTPRINT CIRCUIT BREAKERS,WIDE MINI® FOOTPRINT CIRCUIT BREAKERS,TRAILER CONNECTORS,POWER DISTRIBUTION MODULES,LICENSE HOLDER TUBE,转发中继模块,FORWARD RELAY MODULE,推拉式前照灯开关,MICRO3 FUSE,防破坏按钮开关,SPECIALTY OEM ATO® FOOTPRINT CIRCUIT BREAKERS,BATTERY DISCONNECT SWITCH,DC DUAL RATE ELECTRONIC ALARM,SOCKET CONNECTORS WITH RUBBER CAPS,保险丝夹,MINI®保险丝硬线盒,双稳态闭锁继电器,间歇工作电磁阀,HEAVY DUTY HIGH POWER AND MICRO PLUG-IN RELAYS,CIRCUIT BREAKERS,玻璃保险丝盒,PAL 13/16弯曲公端子,宽体双摇臂开关,INCANDESCENT PILOT LIGHTS,SD ATO® FUSE,金属主体主隔离开关,旋转前照灯开关,DC BUZZER,SMART BATTERY ISOLATORS,PLUG-IN RELAYS,直流双速率电子报警器,CV充电器,MARINE SWITCHES,MANUAL BATTERY DISCONNECT SWITCH,牵引车-拖车连接器,标准高电流闭锁电磁阀,IN-LINE BLADE FUSE HOLDERS,马克西保险丝,专用门瞬时开关,JCASE保险丝座,熔线,白炽指示灯,玻璃保险丝座,STANDARD HEAVY DUTY ROCKER SWITCHES,FUSE PULLERS,WINDOW LIFT SWITCH,BLADE FUSES,MAXI STYLE CIRCUIT BREAKERS,MAXI+®保险丝,鱼雷引信,FOOT SWITCHES,卡扣底座插座,MEGA® FUSE BOX,MOTOR REVERSING INTERMITTENT DUTY SOLENOID,4组钢支架,JCASE®保险丝硬线盒,ENGINE STOP BUTTONS,GLASS FUSES,BATTERY JUMPER TERMINALS,MAXI+® FUSE,EMERGENCY FUSE KIT,IN-LINE UNIVERSAL CONNECTOR,插入式继电器,双极电池开关,单独进给螺杆接线端子,数字开关,FUSE HOLDER,发动机启动按钮,VEHICLE CONNECTORS,警报,螺线管,MICRO3保险丝,LED PILOT LIGHTS,6 POLE CONNECTOR SOCKETS,脚踏起动机开关,机电式开关,MARINE BATTERY SWITCHES,EMERGENCY KITS,带橡胶帽的插座连接器,68362-BX,24812-01-BX,CTVS003-BP,24063-08,75930 SERIES,58332-21-BP,0MIN030.ZXPRO,4721-P12-BX,55025-01,0PAL4100XP,0CNN800E.V,55025-04,24612-13,55025-02,00970019X,55025-03,24612-10,95613-BX,M-284-02-BX,48070-BX,PL-20 SERIES,0PAL040.X,631 SERIES,0PAL160.X,58332-33-BP,90036-02,SFE,LMIN015.ZXPROA,LMIN020.VP,JLLN060.T,12301-BX,90036-02-BX,0MEG100.XP,24624-10,CTRS004-BP,90036-10,40100-BX,DCNLJ200NB60,0185100.XP,F SERIES,59071-BX,MIC2010.V,0AGU060.VPG,58312-G4-BX,JCAS060.X,PL-2,0FLC014.XP,0899035.Z,95535-BX,55049-01,55016-BX,0PAL280.X,95062-57-BX,3298250.H,0CNN040.V,75600-02-BX,1254-BX,0AGC001.V,CNN0100E,LMIN005.V,3298250.Z,FLEC SERIES,95522-A,90048-01,00940557ZXA,DCNLEV50-BAN,M-115,55016-06-BP,M-850-BP,M-850-BX,24612-03,PDM33001ZXM,0SFE014.V,DCNLEV50-BAS,M-121,0211010.XP,0CNN100E.V,RC-200124-RN-BX,91812-BX,75600-25,PL-521-GC,48160-BX,PL-521-RC-BX,0AGC030.VP,M-489-03,JLLN025.T,0235.500VXP,DCNLR100NB48,0PAL530.X,55065-02-BX,95 SERIES,PL-36-AC000-BX,3298125.Z,00940301ZP,0PAL4100X,0BPF0001ZP,PL-525,PL-524,PL-523,PL-522,0CNN125.V,PL-521,3298125.H,S SERIES,DCNHR50PF24,PL-526,75600-05,0MIN003.VPGLO,75600-04,75600-07,03500418TXN,75600-02,PL-118-GC001-BX,75600-01,TTG SERIES,SMZ,097026,55014-05-BX,097023,0MEG175.X,PL-523 SERIES,0MID050.XP,55025-03-BP,0MIN010.VP,0AGA0003ZP,LMIN010.V,2484-03-BX,0PAL440.XP,0MEG175.L,M-288-BX,4721-P14,4721-P12,SD SERIES,24401,4721-P10,55025-03-BX,24402,DCNHR50PF48,0498200.TXN,097019,86126-12,0AGC005.VP,0FHM0002SXJ,75125,FHM200,0AGA005.V,00940462Z,04980900ZXT,FHA30,30409-20-BX,097038,30409-20-BP,DCNLR100NB12,RC-400112-NN,08098981-BX,PL-521-AC,0MAB0001XP,JLLS002.T,12400,CTAV004-BP,12401,M-428-BX,M-428-BP,JLLS015.T,DCNLR100NB24,12080-11-BX,0CNN275E.V,0AGU020.T,M-414-01-BP,JCAS025.X,57000-23-BX,0MID080.X,FNY1BP,LJCA040.X,MAH SERIES,956-5307,55065-02,55065-03,0CNN035.V,CNN035E,81264-01-BX,JLLS050.T,235,24107-BX,023502.5VXP,08099080-BP,0OMN0002XP,08099080-BX,11172-03,11172-02,0CNL400.V,0899040.Z,8487-BX,55093-BX,0MAX040.XPGLO,M-456-BX,M-320-RC000-BX,0ATO030.VPGLO,98628,24063-BX,956-4138-BX,55081-BX,11042,95597,59024,95591,95593,55081-BP,72079-01,12080-BX,185100BP,0PAL440.X,HWB18,0CNL150.V,0337015.LXS,HWB12,95582,08098780,JLLS300.X,CTTB004-BP,880023-BP,0ATO030.V,91812-02,M-432-BX,M-493-BP,98647,30171-20-BX,57300-03-BX,12092-BX,0FNY0020XP,PDM61001ZXM,CMB SERIES,M-432-BP,50001-BX,58312-R4-BX,68159-05-BX,95060-07-BX,TR SERIES,0SFE009.V,5584-15,JLLN1000X,DCNHR50PF12,90048-BX,298,0AFH0002XP,CNL500,MCAS020.V,59071,9216-BX,55054-04-BX,58328 SERIES,00940362ZP,24420-BX,83285-01,PL-86-GC000,0MAX040.XP,211025BP,0PAL040.XP,86126-2,86126-4,HWB60,95061-60-BX,ZCAS200.XP,0813020.ZXST,0ATO003.VP,FHM1BP,0AGW030.V,15-0000,CVR SERIES,0313005.VXP,0MID100.XP,91126,0ATO015.VP,M-608-BP,86126-6,0314015.VXP,86126-8,CNN350,12310-BX,9216-03-BX,9003,882-839-2,882-839-3,75907,58327-06,9001,882-839-4,75908,882-839-5,9002,58327-01,CTTS005-BP,M-608-BX,CNN325,75912,48540-01-BX,58326-11-BX,95061-36,08098700,0313032.VXP,9011,901-731,901-730,26145,83280-02-BX,75900,75903,90005-03-BX,75904,95061-07,94202,75940-02-BP,9023,95539,95061-05,95061-04,95535,DCNEV250-F,DCNEV250-G,0695040.LPXPS,JBPT3N03ZXB,CTRS007-BP,0PAL480.XP,0FLW014.XP,CNN300,30128-15-BX,00940569ZPA,0MNB010.X,75930,7784-BX,PL-624 SERIES,82159-1-BP,0CNN275.V,CNNE,DCNLJ200NB48,82159-1-BX,74603,83288-BP,PL-521-RC,30062-30-BX,00940570ZPA,MRS200,83288-BX,0AGA001.VP,0ATO020.ZXPRO,75920,PDM33004ZXM,0695060.US,30172-30-BX,9187-BX,0235.800VXP,9187-BP,JLLN175.X,10-1008,3298500.H,5582-10-BP,235 SERIES,DCNLJ200NB24,L SERIES,9055,0PAL525.X,9052,08084400-BX,26100,75940-01,75940,350418BP,95061-01,75940-02,24624-10-BX,5582-10-BX,75940-03,PL-2-GC000-BX,882-267-005,JLLN006.T,82065-02-BX,03500417XP,57300-22-BX,86126-12-BX,DCNLB400NB24,RC-700112-NN-BX,80101-B,GP SERIES,9216-10,9075,0SFE006.VP,58027-01-BX,30507-80,08098780-BX,02981028-BP,0UCB020.XP,MAHC0001ZXJA,80101-D,00940135ZP,JLLS700.X,M-58031-07-BP,95060-01-BX,0MEG400.X,03131.25VXP,0MEG400.L,0MIN003.ZXPRO,9087,00970023XP,0AGA006.V,9216-03,CNN0225E,DCNLB400NB48,DCNLJ125NB24,DCNLJ250NB12-01,0313.500VXP,9095,R SERIES,59024-108-BX,CTTS008-BP,TIG,JLLS001.T,FHAC0001XP,0ATO040.VP,882-267-004,882-267-003,882-267-002,FLW16BP,956-4141,95593-BX,0CNN090E.V,0AGA0002ZP,PL-118-RC001,1283-325-BX,PL-524-AC,PL-118-RC000,FHAC2BP,54103-BP,30055-15-BP,00940561ZPA,MCAS015.V,0498125.TXN,30055-15-BX,M-712-09-BX,023501.6VXP,CNN275,2484,956-4154,57003-01-BX,M-54111-02-BX,JLLS450.X,24505 SERIES,5520,0MEG150.X,LW SERIES,BUCB010.Z,1160,ZCAS125.XP,0FHZ00853-BX,DCNLJ125NB60,ZCAS500.XP,90018,0MEG150.L,956-4111-BX,LMIN030.ZXPROA,9052-BX,0FHA0002SXJ,CNN250,956 SERIES,75705-01,JLLS045.T,0211015.XP,50046-09,95521-B,72100-BX,5543,JLLN100.V,48636-01-BX,MCAS020.XPS,DCNLM400NB48,58332-29-BP,956-4107,956-4100,CMB,LMIN025.ZXPROA,0ATO001.V,30410-30-BX,0813030.XP,LJCA060.XP,BUCB005.Z,75940 SERIES,CTVS006-BP,0235006.VXP,75903-BX,CNN0350E,956-4113,0CNN500E.V,24402-BX,TIG SERIES,JLLS080.V,PL-624-B-BX,CNL,CNN,75226,3298200.H,0PAL2120XP,58332-30-BP,0RED0BOXZ,95061-BX,MCAS015.XPS,DCNLM400NB24,电机控制器,微型刀片保险丝盒,轻型应用,ALTERNATORS,小型车辆,MATERIAL HANDLING,HATCHES,客运车辆,坚固耐用的商用车,CONSTRUCTION,COOLING,直流音频系统,MINI BLADE FUSE PANEL,数据通信,电路保护,高空作业平台,FARM TRACTORS,CELL TOWERS,数据中心,卡车,逆变器,STARTING,ELECTRICAL BLOCKS,船,BOAT TRAILERS,消防设备,防水布,LAWN TURF,SEVERE DUTY,车辆支腿,加热,PHOTOVOLTAIC SYSTEMS,DATACOM,商用车,TUNING-FORK TERMINALS,滑行舵,HARSH ENVIRONMENT,RESCUE VEHICLES,国内OEM车辆,AERIAL WORK PLATFORM,DATA CENTERS,AGRICULTURE,传送带,VOCATIONAL,BUS,ST ATO®保险丝盒,CRANES,亚视,汽车工业,AMBULANCES,TRANSPORTATION,电气块,SNOWPLOWS,光伏系统,恶劣的环境,ATV,汽车,INVERTERS,BATTERY PACK DISCONNECT,ELECTRICAL RELAYS,公共汽车,滑雪船,冷却,小型刀片保险丝板,HEATING,农用拖拉机,过境巴士,HARVESTERS,TRACTORS,VEHICLE CIRCUIT PROTECTION,HEAVY GAUGE CABLES,渔船,BOATS,音叉端子,TELEHANDLERS,RVS,ATO叶片保险丝盒,BUSES,压缩机,叉车,RENEWABLE ENERGY,船拖车,扫雪机,EXCAVATORS,组合器盒,DOMESTIC OEM,SMALLER VEHICLES,DIRTY ENVIRONMENTS,警车,MAIN POWER DISTRIBUTION MODULE,车辆电路保护,CABIN CRUISERS,CIRCUIT PROTECTION,交流发电机,OEM车辆,手机发射塔,起重机,雪地车,TRUCK,COMPRESSORS,BATTERY CHARGER SYSTEMS,FIRE EQUIPMENT,遥控器,国内OEM,装载机,RUGGED COMMERCIAL VEHICLE,举起,SCHOOL BUS STEPWELL,负路径,物料搬运,COMBINERS BOXES,PALLET JACKS,HEAVY TRUCKS,ATO叶片保险丝板,SKI BOATS,房车,LIFT,BATTERY POST,蓄电池接线柱,MARINE,客舱巡洋舰,SNOWMOBILES,职业的,起始,LIGHT-DUTY APPLICATION,GOLF CARTS,风扇,CARS,高尔夫球车,OEM,PONTOONS,NEGATIVE PATH,收割机,严重责任,警告系统,电信,原始设备制造商,BATTERIES,喇叭,TRANSIT BUSES,草坪,HV POWER DISTRIBUTION,DOOR CONTROL,MOTOR CONTROLLERS,升降机,车门控制,校车,车队车辆,MINI BLADE FUSE BLOCK,TELECOM,工业自动化,救援车辆,VEHICLE ELECTRICAL SYSTEM,充电站,托盘千斤顶,母线连接,PASSENGER VEHICLES,ATO BLADE FUSE BLOCK,FLEET VEHICLES,HORN,机器人,照明,DC AUDIO SYSTEMS,情绪化,ROBOTICS,WARNING SYSTEMS,大规格电缆,拖拉机,重型卡车,INTAKE,TRUCKS,建筑,POWERSPORT,车辆电气系统,主配电模块,浮筒,MINING,TARP,海军陆战队,电气继电器,CONVEYOR BELTS,ATO BLADE FUSE PANEL,绞盘,挖掘机,OEM VEHICLES,5G NETWORKS,肮脏的环境,FORKLIFTS,WINCHES,FANS,舱口,电池,取水口,BUSBAR CONNECTION,动力运动,SKID STEERS,高压配电,LIGHTING,交通运输,ST ATO® FUSE BLOCKS,电池组断开,POLICE VEHICLES,救护车,校车STEPWELL,CHARGING STATION,COMMERCIAL VEHICLES,INDUSTRIAL AUTOMATION,VEHICLE OUTRIGGERS,DOMESTIC OEM VEHICLES,LOADERS,AUTOMOTIVE INDUSTRY,EMOBILITY,可再生能源,农业,5G网络,FISHING BOATS,矿业,HOISTS,SCHOOL BUS,电池充电器系统

031924  - 选型指南  - Rev: 031924 代理服务 技术支持 采购服务

AF0100 系列保护继电器和控制 弧闪保护 – 监测

本资料主要介绍了弧闪保护系统及其在电力系统及工业配电领域中的应用。资料详细阐述了弧闪事故的危害,包括设备损坏、人员伤亡和生产停运损失等。介绍了弧光保护的基本原理,包括弧闪释放能量、弧闪事故持续时间以及保护装置的清除时间。此外,资料还介绍了弧光传感器,包括点式传感器和光纤传感器,以及弧光保护继电器AF0100系列的功能和优势,如体积小巧、双路传感器输入、可调光敏性等。

LITTELFUSE  -  弧光保护继电器,即插即用型弧光保护装置,保护继电器,AF0100-00,AF0100 系列,AF0100-10,AF0100,工业配电领域,变压器,小型配电系统,整流柜,电力系统,保护单个开关柜,母排,弧闪应用,电容柜,发电机

060524  - 商品及供应商介绍  - Rev: 060524 代理服务 技术支持 采购服务

Littelfuse(力特)保护继电器和控制装置选型指南

Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 17,000 global associates, Littelfuse partners with customers to design and deliver innovative, reliable solutions.

LITTELFUSE  -  SINGLE-PHASE MOTORS,DIODE LOGIC UNIT,中功率闪光器,机电继电器,SWITCHES,固定夹,闪光灯和白炽灯报警继电器,COMMUNICATION MODULES,LIQUID LEVEL SENSOR,信息员光纤套件,STARTCO RETROFIT KITS,WATERTIGHT COVERS,THREADED PROBE,快速连接到螺钉适配器,SINGLE-CHANNEL LIQUID LEVEL SENSOR,精确、固态、延迟间隔计时器,切换控制,灵敏电流互感器,通信模块,SWITCHING CONTROLS,8引脚8基插入式电压监控器,温度输入监视器,NEUTRAL-GROUNDING-RESISTOR,QUICK CONNECT TO SCREW ADAPTER,八路插入式液位控制,AC CURRENT SENSORS,FEEDER PROTECTION SYSTEM MONITORS,VOLTAGE MONITOR ACCESSORY MODULE,REMOTE DIAGNOSTICS TOOL,螺纹探针,OUTPUT MODULE,中性点接地电阻监测器,SOLID-STATE 3 CHANNEL CHASERS,ON-DELAY TIMER,光传感器,CONVENIENT AND COST-EFFECTIVE PROFIBUS INTERFACE,环形电流传感器,低成本、单探针导电液位控制器,PHASE CURRENT TRANSFORMERS,VERSA-KNOB,工厂编程模块,SENSING RESISTOR,8引脚插入式密封检漏仪,LIGHT SENSOR,安装适配器,3-PHASE CURRENT & VOLTAGE MONITOR,CURRENT SENSORS,开板液位控制,固态继电器,方便经济的PROFIBUS接口,安装支架,照片控制,COMPACT TIME DELAY RELAY,FULLY-PROGRAMMABLE VOLTAGE MONITOR,12引脚矩形插座,MED POWER FLASHER,FIVE-CHANNEL INTRINSICALLY SAFE SWITCH,交直流敏感接地漏电继电器,插入调节模块,接通延迟定时器,COVER,GROUND REFERENCE MODULES,接地故障电流互感器,RECTANGLE SOCKET,高级电机保护电子过载继电器,工业RS-485转RS-232转换器,HOLD-DOWN CLIPS,点传感器,LOW COST PHASE SENSITIVE CONTROL,DIN RAIL ADAPTER,相电流互感器,SOLID-STATE ELECTRONIC DEVICE,计时器,ANALOG DELAY-ON-MAKE TIMER,SINGLE-PHASE PUMP MONITOR,LOW COST RELAYS,泵控制装置,USB到RS-232转换器,防水盖,通用电压延时闭合定时器,传感电阻,绝缘监测仪,中性点接地电阻,电流传感器,INSTRUMENTATIONTRANSFORMERS,11-PIN OCTAL BASE PLUG-IN VOLTAGE MONITOR,高压耦合器,PHASE CONTROL,电机保护继电器,8-PIN OCTAL SOCKET,FULLY PROGRAMMABLE ELECTRONIC OVERLOAD RELAY,封装固态,延迟制造计时器,磁力插座,MOTOR-MONITORING DEVICE,TERMINATION DEVICE,SINGLE-PHASE VOLTAGE MONITOR,VOLTAGE MONITOR,电动机保护装置,紧凑型延时继电器,MICROPROCESSOR-BASED ARC-FLASH RELAY,3-PHASE VOLTAGE & FREQUENCY MONITOR,11-PIN插座,12-PIN RECTANGLE SOCKET,LOW CURRENT FLASHER,TEMPERATURE CONTROLLER,TIME ADJUSTMENT DIALS,母快速接头,单相电流监测仪,8快速连接至螺纹接头,NGR MONITOR,单相电流电压监测仪,小型保险丝,MOTOR GROUND-FAULT & INSULATION RELAY,SMART MOTOR PROTECTION RELAY,三相电流电压监测仪,基于微控制器的载荷传感器系列,CLIPS,PORT-POWERED SERIAL CONVERTER,HAND-HELD DIAGNOSTIC TOOL,电极,完全可编程的电压监控器,POINT SENSOR,双探头导电液位控制器,MULTIFUNCTION, KNOB ADJUSTABLE, UNIVERSAL TIME DELAY RELAY,闪弧继电器,固态开/关循环定时器,MICROPROCESSOR-BASED GROUND-FAULT RELAY,五通道本安开关,监测系统,通信适配器,DUAL-CHANNEL SWITCH,TIME-DELAY RELAYS,电压监测继电器,单相,交流窗口,电流传感器,PROTECTIVE BOOT,MEDIUM POWER FLASHER,FLASHERS,FLASHER & INCANDESCENT BEACON ALARM RELAY,中性点接地电阻系统,表面贴装适配器,MAGNAL SOCKET,MICROPROCESSOR-BASED, COMBINATION GROUND-WIRE MONITOR AND GROUND-FAULT RELAY,REMOTE INDICATION ASSEMBLY,UNGROUNDED DC SYSTEM,SOLID-STATE RELAY,AC/DC SENSITIVE EARTH-LEAKAGE RELAY,SINGLE SHOT TIME DELAY RELAY,MANUAL REMOTE RESET KIT,手动远程重置套件,STARTCO改装套件,防潮外壳套件,GROUND-FAULT & PHASE-VOLTAGE INDICATOR,FUSE HOLDERS,液位控制继电器,接地漏电监测器,FULLY-PROGRAMMABLE 3-PHASE MOTOR AND PUMP PROTECTION RELAY,插座,MONITORING SYSTEMS,保护改装套件,保护继电器,BLUETOOTH CURRENT & VOLTAGE MONITOR,RELIABLE ELECTROMECHANICAL RELAY,DIN RAIL MOUNT ADAPTOR,ADVANCED EARTH-FAULT AND EARTHING-RESISTOR MONITORING RELAY,VOLTAGE MONITORING RELAYS,FULLY PROGRAMMABLE ELECTRONIC POWER MONITOR,电子兆欧表,TWO-CHANNEL, INTRINSICALLY-SAFE SWITCH,双绞线,DIGI-TIMER,ENCAPSULATED SOLID-STATE, DELAY-ON-MAKE TIMERS,降压模块,端口供电串行转换器,SOLID-STATE 4 CHANNEL CHASERS,模拟欧姆表,ARC-FLASH RELAYS,DIGITAL ELECTRONIC CIRCUITRY AND ELECTROMECHANICAL RELAY,SENSITIVE CURRENT TRANSFORMER,可再触发单次计时器,ARC DETECTION UNIT,EARTH-FAULT CURRENT TRANSFORMER,防护靴,基于微处理器的组合地线监测器和接地故障继电器,电机监控装置,FOOTED STYLE TRANSFORMER,二极管逻辑模块,延时继电器,LOW LEAKAGE AC FLASHER,ANALOG OHM METER,MOTOR PROTECTION SYSTEM,八进制8针插座,探测器电缆,BRACKETS,3-PHASE VOLTAGE MONITOR,固态3通道追踪器,PROTECTION RELAYS,电流指示器,两用报警控制器/电池充电装置,光感传感器,INDUSTRIAL RS-485 TO RS-232 CONVERTER,组合地线监控器和接地故障继电器,微处理机继电器,基于微处理器的接地故障继电器,FACTORY PROGRAMMED TIME DELAY RELAY,DUAL-PROBE CONDUCTIVE LIQUID LEVEL CONTROL,LIQUID LEVEL CONTROLS,11-PIN MAGNAL SOCKET SCREW TERMINALS,电弧检测点传感器,MOISTURE-RESISTANT ENCLOSURE KIT,HIGH-TENSION COUPLERS,工业远程指示和重置套件,GROUND-FAULT INDICATION SYSTEM,可靠的机电继电器,UNDERCURRENT MONITORS,DIN RAIL,PROBE HOLDER,CURRENT INPUT MODULE,PUMP CONTROLS,FEMALE QUICK CONNECT TERMINALS,MICROPROCESSOR-BASED DATA-ACQUISITION SYSTEM,传感器,TOTALLY SOLID-STATE TIMING MODULE,接地交流/直流系统,发电机接地故障继电器,液位传感器,5通道泵控制器,丁字轨,ALARM CONTROLLER / BATTERY CHARGING UNIT,远程诊断工具,完全可编程的泵保护继电器,未接地交流系统,SINGLE-PHASE CURRENT & VOLTAGE MONITOR,闪光灯,DONUT STYLE TRANSFORMER,重型电压监测器,MOUNTING ADAPTERS,转换器,微机型交直流灵敏漏电继电器,GROUND-FAULT CTS,反旋钮,全固态定时模块,SINGLE-PHASE VOLTAGE/PHASE MONITOR,接地故障继电器测试仪,GROUND-FAULT GROUND-CHECK MONITOR,OBSTRUCTION LAMP ALARM RELAY,8-PIN PLUG-IN ALTERNATING RELAYS,工业减震块,三相、自动调整量程、双量程电压监控器,SMALL-FORMAT TERMINATION ASSEMBLY,DIP SWITCH,安装架,电弧闪光继电器,接地参考模块,时间调整拨盘,PANEL-MOUNT ADAPTERS,双通道,本质安全开关,UNGROUNDED AC SYSTEMS,11-PIN SOCKET,UNIVERSAL LAMP ALARM RELAY,NEUTRAL-GROUNDING-RESISTOR MONITOR,微机型闪弧继电器,单探头导电液位控制,仪表变压器,ARC-FLASH RELAY,非指示保险丝座,馈线保护系统,GROUNDED AC/DC SYSTEM,快速连接,低液位截止液位控制,保险丝座,8-PIN OCTAL-BASE, PLUG-IN VOLTAGE MONITOR,平行路径隔离,EARTH-LEAKAGE MONITOR,继电器测试器,高级接地故障和接地电阻监测继电器,FACTORY PROGRAMMED MODULE,LOW COST, SINGLE-PROBE CONDUCTIVE LIQUID LEVEL CONTROL,电机接地故障和绝缘继电器,NEUTRAL GROUNDING RESISTOR SYSTEM,FIBER-OPTIC SENSOR,DIFFERENTIAL CURRENT MODULE,手持式诊断工具,INTERVAL TIMER,LOAD SENSOR,全可编程电子过载继电器,接地故障和相电压指示器,双通道开关,多功能、旋钮可调、通用延时继电器,“智能”五通道本质安全型继电器,GENERATOR GROUND-FAULT RELAY,液位探头,模拟延迟闭合定时器,MOTOR PROTECTION RELAY RETROFIT KIT,SINGLE-PHASE, AC WINDOW, CURRENT SENSORS,3-PHASE POWER MONITOR,螺柱安装端接组件,完全可编程电子功率监控器,DUAL PURPOSE ALARM CONTROLLER/BATTERY CHARGING UNIT,八角插座,VOLTAGE REDUCTION MODULE,SEAL-LEAK DETECTOR,蓝牙电流和电压监控器,CURRENT TRANSDUCERS,交流电流传感器,CURRENT INDICATORS,固体接地系统,11引脚磁性插座螺丝端子,HIGH TENSION COUPLERS,远程指示组件,镧压敏电阻器,CTS,低泄漏交流闪光器,电机保护继电器改装套件,OPEN BOARD LIQUID LEVEL CONTROL,直流接地故障监测器,计量变压器,HEAVY-DUTY VOLTAGE MONITOR,ACCURATE, SOLID-STATE, DELAYED INTERVAL TIMER,三相电压/相位监测器,双通道本安开关,LIQUID LEVEL CONTROL,电压监测器附件模块,障碍灯报警继电器,MOTOR PROTECTION UNIT,DIN导轨适配器夹,电流输入模块,单相监测仪,SOLIDLY-GROUNDED SYSTEMS,NGR监测器,单相电动机,“SMART” FIVE-CHANNEL INTRINSICALLY SAFE RELAY,REMOTE DISPLAY MONITOR,本质安全继电器,交流系统监视器,LOW LEVEL CUTOFF LIQUID LEVEL CONTROL,NON-INDICATING FUSE HOLDERS,INTRINSICALLY SAFE RELAYS,馈线保护系统监视器,FULLY PROGRAMMABLE PUMP PROTECTION RELAYS,负载传感器,回路供电的线性输出电流传感器,REMOTE MONITOR,ANALOG % CURRENT METER,PHOTO CONTROL,DIN导轨安装适配器,PROTECTION RETROFIT KIT,TOTALLY SOLID-STATE, DELAY-ON-BREAK TIMING MODULE,MICROPROCESSOR-BASED AC/DC SENSITIVE EARTH-LEAKAGE RELAY,ON/OFF OR OFF/ON RECYCLING TIMING MODULE,剪辑,MOTOR PROTECTION RELAY,GROUND REFERENCE MODULE,DC GROUND-FAULT MONITOR,3-PHASE, AUTO-RANGING, DUAL-RANGE VOLTAGE MONITOR,SOLID-STATE ON/OFF RECYCLING TIMER,DIN RAIL MOUNT ADAPTER,全固态延时定时模块,开关,UNIVERSAL VOLTAGE DELAY-ON-MAKE TIMERS,DIN-RAIL ADAPTER CLIP,指示保险丝座,INSULATION MONITOR,LIQUID LEVEL CONTROL RELAY,MOUNTING ADAPTER,自供电接地故障和相电压指示系统,括号,LIQUID LEVEL PROBE,二极管逻辑单元,SELF-POWERED LOAD SENSOR,RELAY TESTERS,远程复位模块,通用电压,3相电压监控器,负荷传感器,ELECTRONIC MEGOHMMETER,OCTAL PLUG-IN LIQUID LEVEL CONTROL,RETRIGGERABLE SINGLE-SHOT TIMER,插入式单探头导电液位控制器,远程监控器,ELECTRODE,水密盖,STUD-MOUNT TERMINATION ASSEMBLY,TIMERS,REMOTE RESET MODULE,控制单元,电动机保护系统,固态电子器件,不接地直流系统,SINGLE-PHASE UNDERVOLTAGE MONITOR,P CLAMP,接地故障接地检查监视器,转接板,ADAPTER PLATE,工厂编程延时继电器,COMBINATION GROUND-WIRE MONITOR AND GROUND-FAULT RELAY,DIODE LOGIC MODULE,数字电子电路和机电式继电器,相位控制,盖,低成本相敏控制,SINGLE-CHANNEL SEAL-LEAK DETECTOR,探针架,输出模块,封闭式中性接地电阻监测器,CONVENIENT AND COST- EFFECTIVE MODBUS-TCP AND MODBUS-RTU INTERFACE,COMMUNICATION ADAPTERS,11引脚8通道插入式电压监控器,5-CHANNEL PUMP CONTROLLER,单相欠压监测仪,MONITOR CONTROL PANEL,SOCKETS,差动电流模块,TWISTED-PAIR WIRE,串行接头适配器套件,温度控制器,GROUND-FAULT CURRENT TRANSFORMER,MICROPROCESSOR-BASED RELAY,单通道密封检漏仪,SINGLE-PHASE AC CURRENT SENSORS,OCTAL SOCKET,自供电负荷传感器,ADVANCED GROUND-FAULT AND NEUTRAL-GROUNDING- RESISTOR MONITORING RELAY,REMOTE INDICATION AND RESET ASSEMBLY,密封检漏仪,固态4通道追逐器,8针八进制插座,8针插入式交流继电器,LA VARISTOR,面板安装适配器,前面板安装套件,开/关或关/开循环定时模块,ARC DETECTING POINT SENSOR,CONVERTER,TERMINATION ASSEMBLY,长方槽,LOOP-POWERED, LINEAR OUTPUT CURRENT TRANSDUCER,DIN导轨适配器,电流监测继电器,ARC DETECTOR,WATERTIGHT COVER,SURFACE-MOUNT KIT,有脚的变压器,CONTROL UNIT,INDICATING FUSE HOLDER,电压监测器,三相电压监测器,AC SYSTEM MONITORS,监视器控制面板,ENCLOSURES,ALTERNATING RELAYS,电弧检测装置,SELF-POWERED GROUND-FAULT AND PHASE-VOLTAGE INDICATION SYSTEM,三相电源监控器,单通道液位传感器,P型夹,FRONT PANEL MOUNT KIT,智能电机保护继电器,MOUNT ADAPTER,小型端接组件,以微处理器为基础的数据采集系统,数字定时器,PARALLEL PATH ISOLATOR,MICROCONTROLLER-BASED FAMILY OF LOAD SENSORS,LIQUID LEVEL CONTROL RELAYS,终端组件,CURRENT MONITORING RELAYS,接地故障继电器测试单元,低电流闪光器,NON-INDICATING FUSE HOLDER,低成本继电器,TOROIDAL CURRENT SENSOR,SINGLE PROBE CONDUCTIVE LIQUID LEVEL CONTROL,温度输入模块,交流继电器,SURFACE-MOUNT ADAPTER,接地故障监视器,LOAD SENSORS,欠电流监测器,内螺纹快接端子,微机接地故障继电器,SINGLE-PHASE CURRENT MONITOR,3-PHASE VOLTAGE/PHASE MONITOR,电流互感器,ENCLOSED NEUTRAL GROUNDING RESISTOR MONITOR,FEMALE QUICK CONNECT,完全可编程的三相电机和泵保护继电器,HINGED TRANSPARENT COVER,VERSATILE UNIVERSAL TIME DELAY RELAY,GROUND-FAULT CIRCUIT INTERRUPTERS,围栏,OCTAL 8-PIN SOCKET,LOW COST RELAY,TEMPERATURE INPUT MONITOR,PLUG-ON ADJUSTMENT MODULE,液位控制,SINGLE-PHASE MONITOR,USB TO RS-232 CONVERTER,METERING TRANSFORMERS,FEEDER PROTECTION SYSTEM,电弧探测器,DETECTOR CABLE,TRANSDUCERS,表面安装套件,MICROPROCESSOR-BASED EARTH-FAULT RELAY,ADVANCED MOTOR PROTECTION ELECTRONIC OVERLOAD RELAY,GROUND-FAULT-RELAY TEST UNIT,LIGHT SENSORS,单相泵监测器,CURRENT TRANSFORMERS,UNIVERSAL VOLTAGE, 3-PHASE VOLTAGE MONITOR,无指示保险丝座,8 QUICK CONNECT TO SCREW ADAPTER,高级接地故障和中性点接地电阻监测继电器,SERIAL CONNECTOR ADAPTER KIT,PLUG-IN, SINGLE-PROBE CONDUCTIVE LIQUID LEVEL CONTROL,MOUNTING BRACKET,TWO-WHEELED CART,TIME DELAY RELAYS,TWO-CHANNEL INTRINSICALLY SAFE SWITCH,单相交流电流传感器,方便经济的MODBUS-TCP和MODBUS-RTU接口,INFORMER FIBER OPTIC KIT,三相电压和频率监控器,接地故障断路器,固定转接头,万能灯报警继电器,模拟%电流表,GROUND-FAULT MONITOR,远程指示和复位组件,铰链式透明盖,远程显示监视器,接地故障指示系统,单相电压监测器,光纤传感器,MOUNTING FRAME,馈线保护装置,INDUSTRIAL SHOCK-BLOCK,MIDGET FUSE,甜甜圈式变压器,INDUSTRIAL REMOTE INDICATION AND RESET KIT,间隔定时器,FEEDER PROTECTION UNIT,单脉冲延时继电器,GROUND-FAULT RELAY TESTER,单相电压/相位监测器,DUAL CHANNEL SWITCH,8-PIN PLUG-IN STYLE SEAL-LEAK DETECTOR,报警控制器/电池充电装置,两轮车,多功能通用延时继电器,REMOTE DIAGNOSTIC TOOL,终端设备,TEMPERATURE INPUT MODULE,QUICK CONNECT,DIP开关,ELECTROMECHANICAL RELAY,TDR4B23,EL3100,RK-325,TDR4B22,SCR,CT-0050-F10,TDI120AL,ECSL4HBH,DLMU,TDML110DL,SD12-PC,KSPSN21B,LLC42B15A,RK-332,SE-TA6ASF-WL,PC-200-LLC-CZ,THDS410.25SA,ZSCT30-31,TSU2000 SERIES,RK-325I,P1004-XX-(X),ORB120A25,P1004-12-X,SE-FLASH,PSC11,TDM24DL,LLC6210F10M,SB6000,FS146RC,SIO-RTD-02-00,LLP-24,FS165-30T,ARPX1S SERIES,233P,RK-105I,NDS-11,50R40029,MPS-RTD,460-15-100-SLD,ESDR423A4,ECSL4HAC,RM1000 NEMA 4,ASXX SERIES,KRDI2110S,ESDR423A3,KRPDA2129RXE,TDB120AL,LLC54AF10,455 SERIES,KRDM223,KRDM220,KRDM221,ORS120A150SD,PGC-31FC,PGM-8325,460-XXX-SP,FS126-45,CT-0800-F30,CT-0400-D20,TSB634,LLC26A1F25C,PLR240A,ECSW3LABT,TSB632,TDUH SERIES,TSDS SERIES,WVM811AH,TDM24AL,LPSM003Z,HRDM SERIES,235P,FA155-2,KSDB315SP,601,SB6100-01X-0,102A,KRPD215S190SMB,601 SERIES,EL731-03-X0,PC-200-LLC-GM,SIR,MPU-32-X69X SERIES,ORS230A150SD,KSD3120A,FPS,ECSW6MBHT,MSM20.15W9,FB9L,HRDR331A1,TSD6 SERIES,TS22120,201575-AU,201-100-SP-DPDT,FS300 SERIES,ECSH31F.08D,FS126-60,TDS SERIES,KRDI220,MSM130W9,KSD2 SERIES,FS500,102A SERIES,201-XXX-SP SERIES,LLC52BA,A0220 SERIES,460-200-SP,ALT230-S-SW,HRDR121A4R,LLC52AA,ORB120A160,P0400-82,TDI SERIES,PC-XXXLLC-CZ SERIES,P0400-83,DCSA5,PC-XXX-LLC-GM,P0400-86,SLR,INFORMER-MS,HRDB321,CT-0150-D10,PGC-4064,HRDB324,KSDB SERIES,FS512,ECSW4MBHT,TSDR612.5SA4.5S,TMV8000 SERIES,TSD2411S,ECSW4MBGT,FS524,CT-XXXX-DXX,KSDR SERIES,RS SERIES,P1004-XX,MPU-32-X69X–XXX00,WVM,SLR1610A,KSD1320,ASQU SERIES,TS1424,TS1423,TS1422,TS1421,HRDR330A0R,TSB222,77C SERIES,T10,CT-1200-F15,NGR SERIES,NGR1080,TS1416,NGR1081,TS1415,HRISW21FT,TS1412,KRPS913MB,HLMUDNAAN,202-575-RP,CT-0300-F10,TSD7621,LSRU-115-OR-2,DCSA50,HLMU,EL731-23-X0,NGR1077,NGR1078,NGRM-ENC-230-00,TRDU24A1,NGR1079,TRDU24A2,AF0100-10,TRDU24A3,SB6100-21X-0,NGR1070,NGR1071,NGR1072,NGR1073,NGR1074,ESDR450A1,NGR1075,NGR1076,ECS40AC,TVM460A75S2M,PMA-16-RTDB,PGR-3200-120,SE-703-0U-0X,ESDR123B4P,FS SERIES,NGR1066,NGR1067,D1100,PLR SERIES,NGR1068,AF0100-00,NGR1069,202,KSDB120P,KRPSD25S,TRM24D1X2,777-HRG-P2,ECS40BC,TRDU120A3,TRDU120A1,TRDU120A2,ERDM4130S,TDS120ALD,LLC14B60AX,ISS-102 SERIES,TDIH SERIES,NGR1050,NGR1051,NGR1052,NGR1053,TVW6510S0.4S,FB230A,CT-0300-F20,KSD3432A,PGE-05KV,DCSA20,LLC2,LLC1,LLC6,NGR1045,LLC5,ALT-XXX-1-SW,LLC4,SE-330AU-XX-0X,TVM230A101S1S,LLC8,SC4 SERIES,T10120,NGR1041,KSPSN13MI,VTP0E,PGE-35KV,FS100,TDB12D,T10S400,TSDR4412SA1,LLC842F103M,TDSL SERIES,KRD92115MB,FPU-32-00-00,201-200-SP-DPDT,KRD92115MA,ECSH4HAD,SE-GRM250,PGR-4300 SERIES,NGR1036,PMA-23,NGR1038,PMA-24,PMA-21,ERDM429,ERDM425,KRDB SERIES,ERDM427,FS590,NGRM-ENC-431-21,ER-72KV,777-MV-P2,240,460-MR,PCR SERIES,TDBL120AL,TS1211.5,EL731-11-X0,CT30S1,LLC4 SERIES,KSDS230,PGC-3140,3506002,FS126,FS127,TSD2434,DSQU SERIE,TDB24DL,T2D120A15M SERIES,TDUSH3001A,ALTXXX-X SERIES,THD7421A,TDUIL3001A,ERDM423,ECS6HAH,ERDM422,TDSH120AL,RS4B12,FPS SERIES,TS13115,PMA-18,HRPSD12HI,PMA-16,KSDU SERIES,PMA-17,LLC825F5M,LSRU-115-AL-3,PMA-14,PMA-15,PMA-12,LSRU-115-AL-2,PMA-13,PMA-10,TSDS421,SE-105,MPS-CTU-01-00,ORM24D13.5,TH1 SERIES,TDUIL3002A,MSM450W6,SE-107,DLMUBLAAA,FS143,TSU2000,FS146,RS1A11,KSPU SERIES,SB5060-20X-0,LLC44B4A,TCR9C,MSM42W6,50R-100-2,TDUB SERIES,THDB SERIES,FS152,777-HP-P2,PGR-8800-00-CC,LSR-XXX,LLC14B15AX,TS441165,PGR-4300,TSD24145S,ASXX,LSRU-115-OU-1.5,KSD2221,ORB,FS162,TA24A5,KRDR424A4,KSDR40A0,TA24A3,HRDR321A4R,TRM24A8Y5,KRDR424A0,TH1C415,TSDR6412SA1,ORM,RK-310X-0Y,SIR1A20A4,ALT115-S-SW,ORS,VMPS,TDIL SERIES,LLC44B2A,VMPU,FPS-CTU-03-00,ORB24A25,BZ1,777-ACCUPOWER,HRPS SERIES,PHST-38QTN,TS2412,LSRX-C,350200,HLMUDRAAA,LLC44B1A,KSD2413M,TRDU SERIES,TSS SERIES,SIR1A1A4,KRPSA24M,TL230A5,ECS2HBC,TS2421,PC-100-LLC-CZ,TS2422,TS2423,PGA-LS20,777-575-HRG-P2,IR KIT-12,TSDR6110SA30S,1N5339B,AC700-SMK,KRDB21180S,KRPSA22B,ER-15KV,PGA-LS30,TDB120ALD,LLC44B5F100,TSS421,ISS-102A-LC,202-200-SP,MPS-469X,TVM480A100.5S3S,KRDM121,ARP43,ARP41,777-KW-P2 SERIES,HRDR431A1R,MPU-32-X69X,TSS424,TSS422,TSD6310.8SN,THDS SERIES,KRPD SERIES,601575,ASTU SERIES,TS121150,PGA-LS10,VTP5N,460L-OEM,TCSA50,LLC44B5A,TDUIL,ELCT,SE-CS40,TDUIH,SE-502,TDR2A23,VTP4B,TSDR215SB18M,VTP4F,NGRUS003,VTP4J,P0200-20,PC-100-LLC-GM,P0200-19,SE-CS30,NGRM-ENC,PCR11,PCR10,TDUL SERIES,PMA-60,WVM611AL,PLS480A,PRLM423,VTP3B,ECSW,PGR-8800-00,PCR13,PCR12,PLM6502,ESDR120A0P,SB5032-21X-0,ESDR424A1,WVM611AH,ERDI436,VTP2C,VTP2A,TDUSL3000A,VTP2F,TCS,VTP2E,ORB SERIES,VTP2J,202-200-SP SERIES,KSPSA21FT,MPS-469X–XX000,SCR490D,THC421C,ELCT30-88,IR KIT-36,VTP2P,TDB,P1004-9,202 SERIES,SE-CS10,TDI,KRDR420A3,ECSL31A,KRDB415S,TDM,TSD7611S,VTP1B,TDS,SERIES,TS141180,TDR,TDU,VTP1D,VTP1C,MSM11W6,MSM210P3,TDB24AL,MPS-RTD-01-00,PGR-6100,PMA-55,PGR-6101,ARP23S,50R200,PLS120A,PGR-6100 SERIES,KSDB330N,KRDB,777-575-TS,FA155,KRDI,ALT115-X,KVM4,KRDM,ALT115-S,ECSH34F.08C,KRDB1120M,TDML120AL,KRDS,EFCT SERIES,KRDR,KVM6,TDUIL SERIES,EL731-04-X0,MPS-469X-PMA24,PGR-2601,THD1B410.5S,201-100-DPDT,AF0500 SERIES,ECS40A,SE-TA6A SERIES,TDM12DL,NGRM-ENC-231-01,TSDR442MA2,ELCT5,77C-KW SERIES,KRD3,FS219-45,ISS-102AA-DCS,TH1,A0220.0040,KRD9,KSDB1115SP,TDR4A23,MPU-32-X69X-PMA16,KVM,KRDM1110S,EFCT-26,111P,FS126RC-45,THC,T,MCCS,COMMERCIAL,塔照明,LIQUID LEVEL CONTROL,FEEDER CIRCUITS,DRIVES,REMOTE INDICATION,3-PHASE SYSTEMS,水/废水,HVAC,NGR监控,WATER/WASTEWATER,液位控制,GROUNDING RESISTORS,塔楼,接地导体监测,PUMP PROTECTION,障碍照明控制,PANELBOARDS,硬币自动售货机,GROUND-FAULT PROTECTION,RESISTANCE GROUNDING MONITORING,电阻接地监测,NGR MONITORING,远程指示,TOWER,RESISTANCE-GROUNDED SYSTEMS,商业的,HVACR,GENERATOR,驱动器,泵保护,MOTOR PROTECTION,OBSTRUCTION LIGHTING CONTROL,暖通空调,REMOTE MONITORING,配电板,PORTABLE EQUIPMENT,SMARTPHONE APPLICATION,电阻接地系统,PUMP,COIN VENDING,开关设备,三相系统,便携式设备,FEEDER PROTECTION,远程监控,工业,GROUND-CONDUCTOR MONITORING,配电盘,馈线电路,OBSTRUCTION LIGHTING,塔台控制,智能手机应用程序,电动机保护,电弧闪光保护,MCC,TOWER CONTROL,馈线保护,接地电阻器,TOWER LIGHTING,障碍照明,INDUSTRIAL,发生器,ARC-FLASH PROTECTION,泵,接地故障保护,SWITCHGEAR,SWITCHBOARDS

041922  - 选型指南  - Rev: 3-A-041922 代理服务 技术支持 采购服务

【选型】Littelfuse(力特)保护继电器选型指南

产品安全、应用及快速选型指引介绍    接地故障保护    电动机和泵保护    电动机保护更新    辅助监控    馈线保护    继电器软件    继电器测试设备    附件    保护概述    术语表    接地故障保护    电动机保护    辅助监控    电流互感器应用    电阻接地转换    接线图    IEEE/ANSI编号    中线接地电阻器和电流互感器规格表    快速参考指南   

LITTELFUSE  -  检测电阻器,发电机接地故障继电器,直接和电阻接地的系统,模拟百分数电流表,继电器软件,高级电动机保护系统,电动机接地故障和绝缘继电器,电流互感器,输入模块,高级电动机保护装置,标准铁芯电流互感器,接地故障继电器,面板安装适配器,安装托架,USB到RS-232转换器,螺柱安装终端总集,防水盖,接地检测监控器,虚拟馈线保护继电器,接地故障继电器测试仪,求保护继电器,接地故障和绝缘监控器,保护继电器,直流接地故障继电器,高压耦合器,CTS,端口加电的串行转换器,灵敏型接地故障继电器,未接地的交流系统,终端总集,电动机保护继电器更新套件,接地故障保护继电器,中线接地电阻器检查监控器,馈线保护继电器,中线接地电阻器,模拟欧姆表,远程显示总集模块,电子过载继电器,接地参考模块,电动机保护系统,终端和适配器,远程显示和复位总集,绝缘监控器,辅助监控器,适配器板,电动机,接地故障和接地连续性探测器,转换套件,带有引线的小型终端总集,接地故障显示系统,虚拟电动机保护系统,接地故障继电器测试装置,无需电流互感器,远程显示总集,电动机保护系统更新套件,馈线保护装置,通量调节器,并行路径隔离器,温度监控器,带有引线的小型终端,继电器界面软件,温度输入监控器,接地故障保护系统,中线接地电阻器监控器,工业RS485到RS232转换器,接地故障和接地检查监控器,电动机和泵保护继电器,更新套件,CT,电动机保护继电器,虚拟电动机保护继电器,固件更新实用程序,温度输入模块,继电器界面模块,监控器,串行接头适配器套件,接地检查保护继电器,接地故障电流互感器,泵保护继电器,SE-330-01-00,RK-325,PGC-3000,PR,RK-3251,PGK0013,PGK0014,PGH FAMILY,PGR-6300-01-00,PGC-6210,PGC-3000-,DFR,PPI-600V,PGA-0510,PGC-6080,SE-TAGASF-WL,DFT,SE-145-03-00,PGR-6150-OPI,RK-332,PGR-2601,PGR6210,PGR-7200-01-00,CTS,PGC 5000,PGK系列,SE-CS40-6,SE-TA6ASF-WL,ER-72KV,SEA系列,SE-TA6A-WL,PGC系列,SE325,PGR-631,PGR4704,SE-134C,SE-325,PGK-0003,RK302,PGK-0006,PGA-0500,PGW-COMM,PGR-7200-00-00,RK系列,RK-105,SER,RTD,PGC-3140,SE-CS30-8,SE-TA6-SM,RK-1051,SE-CS30-6,EFCT-26,SE-CS30-5,PGM-6800,VPG-7200,SE-134C-00,PGR-6801-24,PGG-0780,EFCT-1,EFCT-2,SE,RTU,SE-485-D|N,SE-330,PGR-6310,SIO-RTD-02-00,SE-CS30-4,PGR 7000,PGM8000,PGR7200,PGR-6802-120,SE-330HV,PGR5701,PGR-8600,PGR-6200-04-00,RK-105I,TA,PQM,PGR-6802-240,SECS10,SE135,CT,PGA-0400,PGR-6300,CT200,PGR-4000,SE-105,SE-485-DIN,PGR5701-OT,RK-102,PGC-3026,SE-107,PGC-2056,PGC-5200,SE-145-03-10,PGB系列,SETA12A,SE330-00-00,ER-25KV,PGC-31FC,PGR620001-00,PGR-3100,PGK-0016-RTDB,SIO-RTD,PGA-0CIM,RK-13,PGB-6150,SE325,PGW-OSTT,EFCT-1FC,RK-132,SCE-135,PGR-2000,PGR-4704-OT,PGR-4300,PGR-6200-02-00,PGR-4704-OU,PGC3000,ER,PGH系统,PGE系列,PGG-0500,PGA-0140,PGR2601,SE-CS10-2.5,PGR-4704-OD,AFD,PGR6200,SE-CS30-70,SE-105E-107,PGR-7200-04-00,VPG,PGR-6131-24,PDC,PGR-4300-120,PGB-6800,PGB-6130,PGR-6131-240,PGR-6131-120,PGR-860,SE-14500-00,SE105,PGM 8000,PGR-3000,PGC-5130,SE330-01-00,PGC-2089,SETA6A,PGR6310,ER-35KV,PGR-2601-OD,SE-330-02-00,PGC2000-,SE-TA6,PGR-6802-24,SE-TA12B,SE-TA12A,PGG-0048,EFCT,SE-CS10-,PGR-2601-OU,PGR-2601-OT,SE-502-01PGR-5701-OD,SE-14500-10,PGM-3200,RIO,PGA-016A,PGC-5000,PGC-6210,PGR-6801-120,PP1-600V,PGR-6801-240,PGH-6000,SE-MON330,SE-CS10-8,CLK,SE-CS10-6,PGC-3082,SE-CS10-4,PGC2000,PGR-6133-24,SE-330AU,PGR-6803-24,ER-600V,1N5339B,PGR-6130,SE-107D,ER-5KV,PGC FAMILY,PGC-6000,SE-107E,PGR-6100-240,PGR-6100-120,SE-145-00-10,SE-325E,PGR-6300-04-00,ER-15KV,SSE-502,PGB,PGR6200-00-00,PGA,PGR-6800,PGC,PGG-1000,VPG-6300,PGR3100,PGE,PGH,PGG,PGC-5000-,PGG系列,PGK,PGM,PGC-6110,SE-145-00-00,PGR6802-120,PGC-5025,PGK-0SMK,SE-601,PGW-FLSH,PGK-016A,PGR-3200,PGR-6300-03-00,PGR-630002-00,SE-330-03-00,PGR-6200-01-00,SE-135-00,PGC-200,PGG-0024,PGR-6150,PGC 2000,SE-CS30-26,PGR6132-120,SE-105D,PGR-615024,PGK-0055,SE-105E,PGH-5000,PGR-6132-240,PGR-6132-120,SECS40SE-325,PGR-6132-24,PGA-051,PGG-0250,PGG-0125,PGR-SE-134C,PGA-0120,PGK-0060,HIZ,PGA-OCIM,SE-CS40,SE-502,PGR-4300-12,PGR-7200-02-00,SE-325,PGM-8600,SE-TA12A-WL,PGC5000-,PGR-330,PGR-570,PGR6801-240,SECS30,PGR-6210,SE-CS30,PGR-5000,SE-TA6A,SE330-03-00,SE-TA12ASF-WL,PGR-4704,PGC-2000,PGR-4300-24,SE-330-00-00,PGR-5701-OU,PGK-OSMK,SE-330,PGR-5701-OT,PGR6801-120,SECS40,PGA-0420,PGT-0400,PGC-5060,PGR-6200,NGR,PGR-5701-OD,RK102,PGC-6035,PGA系列,TCM,CT200L,PGR-5704,PGH6000,PGR-6150-24,RK-302,SE-107,SE-105,PGK-0009,PGR4300,PGR-5701,SE-ICUSB232,E-325,RK132,DDR,PGR-7200,SE502,PGC-6060,SE-CS10,PGC-5095,PGK-0014,ER系列,PGK-0015,PGK-0016,SE-135,PGK-0010,PGR-6803-120,PGK-0012,PGR-6803-240,PGK-0013,PGC5000,PGR-6300-02-00,SE-100T,PGR-6200-00-00,PGR3200,VPG-6200,PGR-6150-120,SE-60130,PGR-6100,SE-145,PGR-6133-240,SE-502-01,PGH系列,PGR-6133-120,PMU,PGR 6000,PGR-6150-0PI,PGK-0024,可携式设备,开关设备和多元件电路,电阻和直接接地系统的接地故障继电器,电阻接地或直接接地系统,馈电路线,开关设备,变压器,工业环境中使用的三相电动机提供以电流和温度为基础的保护、测量和数据记录,在工业环境中监控4到20毫安模拟输出装置,可便携式设备,120/208伏可便携式发电机和长距离电热管应用,用于测试电流检波水平、时间延迟和接地故障保护的协调性,地下矿井的5千伏及5千伏以下拖曳电缆上,驱动装置,保护跳闸电路或报警显示电路,最高25千伏的电阻接地系统,配电盘,从工业级24伏(直流)控制电路到运输系统1000伏(直流)的未接地直流系统,保护跳闸电路,选择性的电流和欧姆表和两个分开的报警继电器,三相中低压中高等功率的感应电动机提供保护,与电阻温度检测器一起准确地测量温度,MCC,接地电阻器,预测性维护,馈电线路,保护加工制造、石油、化工和废水处理设备中的配电馈线,泵、输送机皮带、通风机和需要有标准保护的其他小型电动机应用,仪表板,电动机和泵,配电盘和仪表盘,多元件电路(MCC),监控大型移动设备上带有控制线的拖曳缆,报警显示电路中,现有电流互感器来更新和升级电动机保护,发电机

2016/11/25  - 选型指南 代理服务 技术支持 采购服务

稳定可靠,运行无忧 | 米博RG22系列中功率继电器, 适用于电力系统、工业控制系统等领域

米博RG22系列中功率继电器作为电气系统中的重要元件,具有扩展控制电路、增加触点数量、信号转换和电路保护等多种作用。它凭借优质的选材、精湛的工艺和卓越的性能在众多领域得到广泛应用。

2024-08-19 -  产品 代理服务 技术支持 采购服务

【应用】国产三相交流输出型固态继电器KSQF480D25用于清洗设备,内置RC和MOV保护回路

某型清洗设备,配置有三相交流加热器,加热器规格是400V/6kW,为了满足控温需求,需要一款控制电压为直流的三相固态继电器。本项目中,选用库顿的KSQF系列三相交流输出型固态继电器KSQF480D25,该固态继电器负载电压范围24至530VAC,负载电流高达25A,控制电压4-32VDC,满足实际需求,并且内置 RC 和 MOV 保护回路,具有多种国际认证,质量可靠。

2023-07-11 -  应用方案 代理服务 技术支持 采购服务

SE-105、SE-107系列保护继电器和控制拖曳电缆保护-接地故障接地检查监测

该资料介绍了SE-105/SE-107系列接地故障监测继电器,用于电阻接地系统。它结合了接地线监控和接地故障继电器的功能,持续监测接地导体的完整性,以保护便携式设备免受由接地故障引起的危险电压的影响。适用于地下采矿等应用的5kV以下拖曳电缆。

LITTELFUSE  -  GROUND-WIRE MONITOR AND GROUND-FAULT RELAY,地线监控器和接地故障继电器,接地故障接地检查监视器,GROUND-FAULT GROUND-CHECK MONITOR,SE-105 SERIES,SE-107D,SE-105,SE-107 SERIES,SE-107E,SE-105D,SE-107,SE-105E,RESISTANCE-GROUNDED SYSTEMS,电阻接地系统

102214  - 数据手册  - Rev: 4-B-102214 代理服务 技术支持 采购服务

电弧闪光继电器产品能力

Littelfuse Arc-Flash Relay产品系列提供可靠的电弧故障检测和保护功能。产品具备冗余内部跳闸路径、健康监控、快速光检测、高速跳闸、上端跳闸、数据记录、可选电流检测和区域跳闸等功能,旨在降低电弧故障风险,保护人员和设备安全。产品适用于各种电气设备和系统,包括开关柜、发电机组、变压器等。

LITTELFUSE  -  点传感器,POINT SENSOR,DIODE LOGIC UNIT,电弧闪光继电器,POINT LIGHT SENSOR,点光传感器,FIBER-OPTIC LIGHT SENSOR,光纤光传感器,ARC-FLASH RELAY,二极管逻辑单元,AF0025,AF0500,PGA-LS30,PGA-1100,PGR-8800,PGA-LS10,PGA-LS10-01B,PGA-LS20,AF0100,机架外断路器,GENERAL MANUFACTURING,哦,发电机,较旧的设施,GENERATOR PROTECTION,AIR-COOLED TRANSFORMERS,LOW-VOLTAGE EQUIPMENT,ALARM-ONLY SYSTEMS,SWITCHGEAR PROTECTION,食品,低压设备,SOLIDLY GROUNDED ELECTRICAL DISTRIBUTION SYSTEMS,高浪涌电流器件,GENERATORS,可移动和移动式电气设备,仅报警系统,FOOD,保健,MEDIUM AND HIGH-VOLTAGE EQUIPMENT,开关设备保护,BEVERAGE PROCESSING,发电机保护,HIGH-CURRENT SYSTEMS,DEVICES WITH HIGH INRUSH CURRENTS,RACK-OUT BREAKERS,高电流系统,MOVEABLE AND MOBILE ELECTRICAL EQUIPMENT,牢固接地的配电系统,饮料加工,中高压设备,HEALTHCARE,风冷变压器,OLDER FACILITIES,一般制造

121323  - 商品及供应商介绍  - Rev: 8-A-121323 代理服务 技术支持 采购服务

16位8通道ADC CAE1200助力电网继电保护设备开发,兼容AD7606

同步采样ADC CAE1200每个通道最大采样频率为200kSPS,包含模拟输入钳位保护、可编程增益放大器 (PGA)、低通滤波器、16 位逐次逼近寄存器 (SAR) 和模数转换器 (ADC)。 工作温度支持 -40℃至+85℃,管脚完全兼容AD7606和ADS8588S,无需修改原有PCB硬件设计。

2023-12-17 -  产品 代理服务 技术支持 采购服务

如何利用热继电器进行电路过载保护?

本文阐述了热继电器的工作原理,包括热膨胀原理、触发机构和切断电路的流程,并强调了其过载保护、可调节性、快速响应、稳定性以及广泛适用性等特点,突出了热继电器作为电路保护装置的简单有效性和在多种电气设备中的应用价值。

2024-05-31 -  设计经验 代理服务 技术支持 采购服务

2700200I RE-NA003.COM-M64电网和系统保护继电器软件手册

本手册详细介绍了如何通过Modbus接口与NA003.COM-M64设备进行通信。内容包括Modbus接口的配置、使用Modbus Poll软件进行读写操作、修改参数和参数集的步骤,以及错误处理和Modbus寄存器地址表。手册强调了安全注意事项,并提供了详细的操作指南和示例。

TELE  -  GRID AND SYSTEM PROTECTION RELAY,电网和系统保护继电器,2700200I,NA003.COM-M64,NA003.COM

2024-02-06  - 用户指南  - Revision 002 代理服务 技术支持 采购服务

SE-330/SE-330HV系列中性点接地电阻器监测器,可与低压和中压变压器/接地发电机配合使用

Littelfuse推出的SE-330 是一款先进的接地故障和中性点接地电阻器监测继电器。它能够测量中性点电流、中性点对地电压以及中性点对地电阻。它持续监测中性点对地通路,用以验证中性点接地电阻器(NGR) 完好无损。这一点至关重要,因为 NGR 开路会致使电流传感接地故障保护功能无效,造成系统运转正常的假象。

2019-10-19 -  新产品 代理服务 技术支持 采购服务

宏发(HONGFA)热过载继电器选型指南

宏发简介    UER1热过载继电器    UER1热过载继电器产品概述及型号含义    UER1热过载继电器技术参数    UER1热过载继电器尺寸    UER1热过载继电器线路图    UER1热过载继电器脱扣曲线    UER1热过载继电器快速选型表   

宏发  -  继电器,高低压成套设备,自动化设备,连机器,中低压电器,电容器,精密零件,热过载继电器,UER1-90/97AZ,UER1 SERIES,UER1-40/3.2AZ,UEC1-18,UER1-40/10AZ,UER1-330/144AD,UER1-330/200AD,UER1-40/0.16AZ,UEC1-12,UER1,UER1-40/4.8AZ,UER1-40/0.63AD,UER1-40/6.3AD,UER1-40/2.0AD,UER1-90/36AD,UER1-40/0.25AD,UER1-40,UER1-330/336AD,UER1-40/2.0AZ,UER1-40/25AD,UER1-90/36AZ,UER1-90/60AD,UER1-40/6.3AZ,UEC1-95,UER1-40/16AZ,UEC1-50,UER1-40/7.5AD,UER1-40/3.2AD,UER1-40/20AZ,UER1-40/1.6AZ,UER1-40/1.0AZ,UER1-40/0.4AZ,UER1-90/97AD,UER1-40/0.16AD,UER1-40/0.8AZ,UER1-90/25AD,UEC1-09,UEC1-80,UER1-40/16AD,UER1-330,UER1-40/0.4AD,UER1-40/21.5AD,UER1-90/25AZ,UER1-40/0.8AD,UER1-40/1.6AD,UER1-40/10AD,UER1-40/□□Z,UEC1-40,UER1-90,UER1-40/1.0AD,UER1-90/75AZ,UER1-90/□□D,UER1-330/□□D,UER1-40/12.5AD,UEC1-38,UER1-40/30AZ,UER1-330/120AD,UER1-40/2.5AD,UER1-40/□□D,UER1-40/2.5AZ,UER1-40/12.5AZ,UER1-40/20AD,UEC1-32,UER1-90/90AZ,UER1-40/38AZ,UER1-40/21.5AZ,UER1-40/36AZ,UER1-90/60AZ,UER1-40/1.3AZ,UER1-40/4.8AD,UER1-90/90AD,UEC1-25,UER1系列,UER1-90/□□Z,UER1-40/0.5AZ,UER1-90/75AD,UER1-40/4.0AD,UER1-90/47AD,UER1-40/7.5AZ,UER1-40/0.63AZ,UER1-40/4.0AZ,UER1-40/38AD,UER1-330/280AD,UER1-40/36AD,UER1-330/240AD,UER1-40/0.5AD,UER1-40/0.25AZ,UER1-90/47AZ,UEC1-65,UER1-40/1.3AD,UER1-40/30AD,UER1-40/25AZ,信息,电力系统,电力,交通,暖通制冷,地产,工业,新能源

2023年05月  - 选型指南 代理服务 技术支持 采购服务
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