【产品】完全可编程电压电流过载保护继电器777系列，适用于三相200-480VAC应用
LITTELFUSE的777系列是一个完全可编程的三相电压电流过载保护继电器，旨在保护牵引满载为2-800安培的电机(外部电流互感器要求高于90安培)。777(系列产品)适用于三相200-480VAC应用，并具有多个独立设计模块来满足其他电压范围以及特定的应用。常见应用包括电力输送系统、暖通空调设备、电锯和研磨机、风扇电机和几乎所有的水泵应用。特定的应用如使用配备Subtrol®Franklin潜水电机来进行高温检测以及需要进行快速线性跳闸的应用。
所有的过载继电器通过结合过载，电压，缺相和反向，电压和电流失衡，功率监测以及电流的欠载为一体来提供有效的保护。对于独立的应用，这些模块包含一个3位LED显示屏，用于对编程提供实时操作信息和显示诊断代码以帮助排除故障。这些模块还有一个通信接口，可以与777附件列出的通信模块一起使用，可以形成Modbus、DeviceNet™、Profibus或以太网网络。最多有99个模块可以通过PC、PLC或SCADA系统进行远程监控，并通过PC使用可选的解决方案软件进行数据记录。这种特性为保证拉弧安全的需求提供了一种简单且经济有效的方式。
图：777系列三相电流和电压监测器
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本文由arench翻译自Littelfuse，版权归世强硬创平台所有，非经授权，任何媒体、网站或个人不得转载，授权转载时须注明“来源：世强硬创平台”。
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Littelfuse（力特）保护继电器与控制器产品选型指南（简版）
描述- Littelfuse 成立于 1927 年，是全球电路保护领域的领导者，拥有日益壮大的全球功率控制和传感平台。公司凭借保险丝、半导体、聚合物、陶瓷、继电器、传感器等多种技术，服务电子、汽车和工业市场客户。Littelfuse 在亚洲、美洲和欧洲的 40 多个地点拥有超过 10,000 名员工。
型号- SE-701 系列,RK-325,PGC-4210,PMA-60 系列,SE-105 系列,PGE-35KV,SE-105系列,PGR-8800 系列,SE-CS40 系列,777-575-TS,SE-GRM250,MPU-32-01-00,PPI-600V,PGA-0510,EL731-04-X0,RK-332,PGR-2601,MPS-OPI,EL731-10-X0,SE-GRM125,SE-TA6ASF-WL,SE-CS40-6,ER-72KV,777-MV-P2,RK-325I,A0220,SE-TA6A-WL,777-MRSW,CIO-EN,SE-134C,SE-325,PGA-0500,AC700-CUA,EL731-11-X0,RK-105,SE-TA6-SM,PGC-3140,SE-CS30-8,MPU-32 系列,SE-703-0T-0X,EFCT-26,SE-CS30-5,SE-GRM 系列,MPU-32-SMK,777-TS,MPS-DIF,EFCT-1,PGE-72KV,EFCT-2,SE-330,SE-330AU 系列,SE-CS30-4,PGR-3200系列,PGC-4108,SE-704-0T,SE-704-0U,SE-330HV,SE-GRM024,PGE-05WV,RK-105I,777 PLUS 系列,MPS-RTD,SE-704-0D,EL731-22-X0,PGA-0520,CT200,PGR-6300,SE-105,MPS-CTU-01-00,SE-485-DIN,777 PLUS,RK-102,PGC-3026,SE-107,PGC-2056,PGC-5200,A0220.0020,SE-704-03,ER-25KV,PGC-31FC,PGM-8325,D0920.0060,SE-107系列,CIO-DN-P,MPU-16A-Y92A-96N,RK-13,777-HVR-P2,A0220.0010,777-LR-TS,EFCT-1FC,RK-132,SE-CS10 系列,FPU-32,PGR-8800-00-CC,EL731-14-X0,SE-134C系列,SE-GRM048,PGE-25KV,GFR4000,PGR-4300,AF0500 系列,MPU-32系列,SE-703-0D-0X,SE-485-PP,SE-CS10-2.5,AF0500,777-575-P2,SE-325系列,EL731-03-X0,SE-400,EL731-20-X0,SE-CS30-70,FPS,CT200 系列,ER 系列,订货号,EL731-21-X0,PMA 系列,PGC-5130,SE-330系列,PGC-2089,ER-35KV,777VA-02,777VA-03,777-P2,PF611-MAN,SE-GRM500,PGC-4160,PGR-8800,SE-TA6,SE-TA12B,777 系列,SE-TA12A,EFCT,SE-703-03-0X,SE-330 系列,MPU-32-00-00,SE-TA12A 系列,ER-5WP,SE-704系列,A0033.0010,MP8000,PGH-6000,SE-704,EL731-13-X0,SE-CS10-8,SE-CS10-6,PGA-0T6A,PGC-3082,SE-CS10-4,MPU-32,SE-330AU,PGA-LS20,777-575-HRG-P2,AF0500-00,PGR-6100系列,1N5339B,MPS,AC700-SMK,SE-107D,PGE-600V,77C-KW,ER-5KV,SE-704 系列,PGR-6100-240,SE-107E,SE-325D,PGR-6100-120,SE-325E,EL731,777系列,ER-15KV,PGC-4064,EL731系列,PGA-LS30,SE-601 系列,PGH,EL731-24-X0,CIO-MB/CIO-120-MB,RS485MS-2W,RM2000,777-LR-P2,MPS-CTU-03-00,SE-703系列,SE-601,PGC-5025,SE-703 系列,SE-GRM,PGR-3200,PGE-15KV,SE-GRM1000,AF0500-00-CC,SE-CS30-26,777,SE-EFVC,PGH 系列,PGA-1100,777-KW,SE-TA6A 系列,SE-330-SMA,RM1000,EL731-02-X0,MPS-CTU-04-00,SE-105D,SE-105E,PGH-5000,SE-GRM780,PGR-6100 系列,77C,SE-135系列,PGA-LS10,CIO-777-PR,RK 系列,D1000,CA-945,SE-CS40,OL-RESET,MPU-32-04-00,SE-330-XX-0X,SE-TA12A-WL,ER-600VC,MPS 系列,EL731-23-X0,EL731-00-X0,AF0100-10,777-HVR-LR-P2,SE-CS30,AC700-CUA 系列,SE-TA6A,NGRM-ENC,SE-CS30 系列,MPS-CTU-02-00,PMA-60,D0920,SE-TA12ASF-WL,MP8000 系列,777-LR-HRG-P2,PGR-8800-00,SE-703-0U-0X,PGR-3200-120,777-575-LR-P2,SE-601-OT,SE-601-OU,MPS-CTU,AF0100-00,MPU-32-02-00,CIO-120-DN-P,PGC-5060,PGR-6200,SE-107 系列,MPS-DIF-01-00,SE-601-OD,AF0100,777-HRG-P2,SE-701系列,SE-601系列,777-575-LRHRG-P2,CT200L,RK-302,SE-701-OD,SE-MRE-600,PGR-5701,SE-330HV系列,SE-ICUSB232,SE-330HV 系列,EL731 系列,SE-CS10,PGC-5095,SE-701-OU,SE-701-OT,SE-135,EL731-12-X0,PMA,PGE-05KV,SE-100T,MPU-CIM,PGA-D1100,EFCT 系列,MPS-OPI-01-00,PGR-6101-120,MPS-RTD-01-00,AF0100 系列,PGR-6100,PMA-55,SE-IP65CVR-G,SE-701-O3,SE-703,EL731-01-X0,SE-701,MPS系列,777-FT,SE-IP65CVR-M
Littelfuse（力特）保护继电器和控制装置选型指南
描述- 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.
型号- 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 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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 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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
PANEL SHOP & CONTROL SYSTEMS INTEGRATOR
型号- SPDN,SE-704,201A-AU,ALT SERIES,ALT,MPU-32,JTD 30 ID,KLDR,L600C SERIES,L600C,LFJ,TCR9C,455,TRU,KLDR SERIES,777-P2,SPD2,LFJ SERIES,460,LSRX,TCR9C SERIES,LD SERIES,AF0025,PGR-6100,TRU SERIES,LPSC,LSRX SERIES,AF0100,MP8000
Littelfuse（力特）应用于水泵保护的电力安全产品选型指南
目录- SUBMERSIBLE PUMPS - OPTIMIZED PROTECTION SINGLE-PHASE & THREE-PHASE PUMP PROTECTION SINGLE-PHASE PUMP PROTECTION THREE-PHASE PUMP PROTECTION LIQUID LEVEL PROTECTION TIMERS AND ALTERNATING RELAYS ACCESSORIES
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USER’S GUIDE Model RM-2000 Remote Monitor for the 777 Series Electronic Overload Relays
型号- 777-P2,RM-2000,777,777-LR-P2,777-P
MODEL 777-P2 777-575-P2 ELECTRONIC OVERLOAD RELAY INSTALLATION INSTRUCTIONS
型号- MODEL 777-575-P2,777-P2,777-575-P2,MODEL 777-P2
777 SERIES 3-Phase Current & Voltage Monitor
型号- 777VA-02,777VA-03,777-P2,777-LR-HRG-P2,777-575-LR-HRG-P2,777-575-LR-P2,777-575-HRG-P2,777-MV-P2,777-575-TS,777-TS,777-HVR-P2,777-HVR-LR-P2,777-575-P2,777,777 SERIES,777-LR-P2,777-LR-TS,777-HRG-P2,777-FT
MOTOR PROTECTION ANY SIZE MOTOR | ANY APPLICATION | EXPERT PROTECTION
型号- LFR60,201A-AU,LFPSJ SERIES,LFJ60,FLSR,JTD_ID,LLSRK-ID,LFR60 SERIES,MPU-32,LFR25 SERIES,JTD-ID,LFR25,MPS,455,LLNRK,CCMR,LLSRK,FLSR-ID,777-P2,FLNR-ID,LF SERIES,460,PGR-6100,LFJ60 SERIES,JTD,MP8000,LFPSJ
Motor and Pump Protection Relays 777 Series : 3-Phase Current & Voltage Monitor
型号- 777-P2,777-LR-HRG-P2,777-575-LR-HRG-P2,777-575-LR-P2,777-575-HRG-P2,777 SERIES,777-MV-P2,777-575-TS,777-TS,777-HVR-P2,777-HVR-LR-P2,777-575-P2,777,777-LR-P2,777-LR-TS,777-HRG-P2,777-FT
777 SERIES Protection Relays
型号- 777VA-02,777VA-03,777-P2,777-LR-HRG-P2,777-575-LR-HRG-P2,777-575-LR-P2,777-575-HRG-P2,777-MV-P2,777-575-TS,777-TS,777-HVR-P2,777-HVR-LR-P2,777-575-P2,777,777 SERIES,777-LR-P2,777-LR-TS,777-HRG-P2,777-FT
777 Series Motor and Pump Protection Relays
型号- 777-575-LRHRG-P2,777-P2,777-LR-HRG-P2,777-575-LR-P2,777-575-HRG-P2,777 SERIES,777-MV-P2,777-575-TS,777-TS,777-HVR-P2,777-HVR-LR-P2,777-575-P2,MODEL 777,777,777-LR-P2,777-LR-TS,777-HRG-P2,777-FT
Motor and Pump Protection Relays 777 Series
型号- 777-P2,77C,777-LR-HRG-P2,777-575-LR-HRG-P2,777-575-LR-P2,777-575-HRG-P2,777 SERIES,777-MV-P2,777-575-TS,777-TS,777-HVR-P2,777-HVR-LR-P2,777-575-P2,777,777-LR-P2,777-LR-TS,777-HRG-P2,777-FT
POWERING AND PROTECTING THE OIL & GAS INDUSTRY
型号- EL3100,EL731,777-P2,SE-704,PGR-8800,MPU-32,201 A-AU,777-MV-P2,460,455,FRCK,SE-330,SB6100,SE-134C,SE-105,FRCK SERIES,SE-135,777-KW/HP-P2,MP8000,SE-701
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可定制ATD TE Dehumidifier的冷却功率：20~220W；工作电压：12V(DC)/ 220V(AC)；控温精度：≤±0.5℃；尺寸：冷面：20*20~500*300；热面：60*60~540*400(长*宽;单位mm）。
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可定制ATL TE Cooler制冷量范围：50~1000W;工作电压：12/24VDC;控温精度≤±0.1℃;控温精度：≤±0.1℃；尺寸：冷面：20*20~500*300mm，热面：60*60~540*400mm。
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