FUSES OUTSHINE CIRCUIT BREAKERS IN COST, RELIABILITY
●介绍
■围绕熔断器与断路器引发的争论似乎是一条无止境的道路。过电流在电气系统中是不可避免的，那么哪种过电流保护方法是最好的？与断路器相比，人们通常更喜欢熔断器，因为熔断器可以比断路器更快地打开中断电源，并且维护成本也不高。与断路器、保险丝相比
▲价格较低；
▲更可靠（由于缺少可随时间磨损的机械部件）；
▲对超载反应更快；
▲物理尺寸更小，需要更少的面板空间；
▲提供延时功能，使尺寸更接近负载，从而提供更好的保护（而断路器必须过大以适应感应负载）；
▲可提供接近1.5:1的协调，防止需要过大的上游保护装置（而断路器需要详细的协调研究，短路条件下的协调很困难）；
▲与断路器不同，无需每年维护，断路器需要每年调整和校准维护（根据制造商的建议）；和
▲在故障电流达到第一个峰值之前很久就切断故障电流，通常是在一个电气循环的前半部分【1】。
■过载故障和短路故障都会导致断路器跳闸。一旦断路器跳闸，必须进行检查，这是人们往往跳过的步骤。相反，用户只需重置断路器，即可在不知道断路器是否在跳闸过程中损坏的情况下重复使用。如果有损坏，则必须对断路器进行维修和重新校准，以便其能够安全地按照其原始规格运行。在故障状态下运行时，断路器释放的通电能量是保险丝的十倍。本文概述了在电气系统设计中，保险丝的使用如何比断路器更有益。在本文中，“断路器”是指塑壳断路器（MCCB）
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保险丝在成本、可靠性方面胜过断路器 |
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KLPC、KLLU、LDC、LLNRK、LLSRK_ID、JTD_ID、IDSR、FLNR_ID、FLSR_ID、KLNR、KLSR、JLLN、JLLS、JLS、SLC、JTD、CCMR |
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WHITE PAPER,白皮书 |
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详见资料 |
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中文 英文 中英文 日文 |
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110818 |
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Rev: 110818 |
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PF758 |
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2.1 MB |
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| 世强先进（深圳）科技股份有限公司 | |
| 世强硬创平台www.sekorm.com | |
| 世强硬创平台电子商城www.sekorm.com/supply/ | |
| 世强硬创平台www.sekorm.com | |
| 世强硬创平台www.sekorm.com |
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管状保险丝，不可再生UL产品IQ
该资料介绍了LITTELFUSE INC公司提供的不可更换式卡式熔断器产品。产品包括多种型号，如NLKP、542、JLLN、JLLS、JLLT、JLS、KLKR、KLLU、KLNR、KLPC、KLSR、NLN、NLS等，涵盖电流限制和时间延迟功能。资料还提及了产品型号的详细信息链接，并强调了只有带有UL标志的产品才被认为是经过认证并受UL Solutions的后续服务覆盖。最后，资料说明了UL Solutions对Product iQ内容的复制许可条件。
LITTELFUSE - 不可再生的卡特里奇保险丝,NONRENEWABLE CATRIDGE FUSES,DCSR,FLSR,KLNR,NLKP,KLLU,FLN,CCMR(CC),LDC,JTD-ID,SLC,FLS,KLDR,JLS,NLN,NLS,LLNRK,SLO,579,IDSR,558,559,LLSRK,KLSR,JLLN,JLLT,CCMR(CD),FLNR,JLLS,KLKR,LLSRKXXID,542,KLPC,548,549,JTD,FLNRXXXID,FLSRXXXXID
熔断器CSA认证记录
Littelfuse公司获得CSA International授权，代表以下产品为“CSA认证”，并可在这些产品上贴上CSA标志。产品包括多种规格的保险丝，如LITTELFUSE非可续保险丝、微型玻璃管保险丝、补充型保险丝、Pico保险丝、Micro保险丝、Nano保险丝等，适用于不同电压和电流等级的电路保护。产品广泛应用于电子设备、汽车、工业等领域。
LITTELFUSE - SPECIAL PURPOSE FUSE,微熔丝,SUPPLEMENTAL FUSES,“纳米”保险丝,专用保险丝,辅助保险丝,NON-RENEWABLE CARTRIDGE FUSES,PICO FUSES,“微型”玻壳引信,"MINIATURE" GLASS ENVELOPE FUSE,MINIATURE FUSES,"NANO" FUSE,MICROFUSES,保险丝,FUSES,PICO SMD保险丝,不可再生的盒式保险丝,PICO SMD FUSES,小型保险丝,皮可保险丝,SERIES BLS,TYPES 315,TYPES 318,TYPE 310306,TYPES KLKF,471,230,472,TYPES KLKD,473,474,SERIES 537,233,234,TYPES 312,WP91768,235,236,WP91769,TYPES 314,237,TYPES 313,239,TYPES 326,362,SERIES 429,368,TYPES 325,LGR,TYPES 324,220019,FLM,TYPES 536,220011,TYPES 535,TYPES 538,FLQ,490,220013,491,SERIES 875,220015,SERIES 874,251,493,252,2206,255,2205,256,499,TYPES 532,257,LHR,TYPES 533,KLKD,KLKF,220003,220002,220004,SERIES 451XXXC,SERIES 401,220007,262,220006,263,265,266,268,220010,SERIES 451,SERIES 453,220033,SERIES 452,SERIES 454,271,272,273,SERIES 459,275,276,278,279,TYPES 313ID,SERIES 460,SERIES 220,SERIES 585,SERIES 224,SERIES 466,SERIES 586,220027,SERIES 468,SERIES 225,220029,TYPES 362,SERIES 229,287,TYPES 368,TYPE 311,220056,SERIES 431,314020,SERIES 433,220057,SERIES 436,LMF,220044,SERIES 202,SERIES 325,SERIES 448,SERIES 326,SERIES 491,SERIES 490,SERIES 251,SERIES 493,SERIES 252,SERIES 255,SERIES 499,SERIES 257,SERIES 256,KLK,250041,874,875,SERIES 452XXXC,SERIES 262,SERIES 263,SERIES 266,SERIES 265,SERIES 268,452XXXC,401,BLF,FLU 440,SERIES 471,BLN,SERIES 473,SERIES 230,SERIES 472,BLS,SERIES 233,SERIES 474,SERIES 235,SERIES 234,SERIES 237,SERIES 236,SERIES 239,532,533,535,536,537,TYPES FLM,538,TYPES FLQ,SERIES LGR,310306,324020,250039,250038,429,FLU 001,451XXXC,431,311,312,433,313,313ID,314,315,436,TYPES KLK,318,SERIES LMF,TYPES BLN,TYPES BLF,202,324,325,326,448,450005,450002,SERIES 271,SERIES 273,SERIES 272,SERIES 275,SERIES 276,SERIES 279,SERIES 278,SERIES 2206,SERIES 2205,451,452,453,454,459,SERIES 287,460,220,585,586,224,466,225,468,229
Littelfuse（力特）-AFTERMARKET-CIRCUIT BREAKERS 16 17
该资料详细介绍了多种类型的电路断路器及其应用。包括自动重置、修改重置和手动重置三种类型，适用于不同电路保护需求。资料还涵盖了不同型号的电路断路器，如MINI®、Wide Mini Footprint、Specialty OEM、Universal Circuit Breakers等，并提供了详细的规格参数和应用场景。此外，资料还介绍了低电压电路断路器，如Stud Type Low Voltage Circuit Breakers，适用于6-12伏特电压系统。
LITTELFUSE - CIRCUIT BREAKERS,断路器,MNB,ACB,MMB,CCB,FCB,CBF,MIB,MCB,UCB,MXB,812,813,MRB,SEAT CIRCUITS,SUNROOF CIRCUITS,刮水器电机,座椅电路,天窗电路,前照灯电路,WIPER MOTOR,电动车窗电路,HEADLAMP CIRCUITS,POWER WINDOW CIRCUITS
专用保险丝-部件（E71611）
该资料详细列出了LITTELFUSE公司生产的多种特殊用途熔断器型号和规格。包括不同型号的卡式熔断器、半导体保护熔断器、特殊用途熔断器等，涵盖了不同的电流、电压和直流/交流电压等级。资料还提供了产品编号、型号和标记信息，并说明了如何查找更多标记信息。最后，资料强调了只有带有UL标志的产品才被认为是经过认证并受UL Solutions的后续服务覆盖。
LITTELFUSE - FUSES,SPECIAL-PURPOSE FUSES,SPECIAL PURPOSE SEMI-CONDUCTOR PROTECTION FUSES,专用熔断器,半导体保护保险丝,专用保险丝,专用半导体保护熔断器,SEMI-CONDUCTOR PROTECTION FUSES,CARTRIDGE FUSE,SPECIAL PURPOSE FUSE,保险丝,管式保险丝,ESR1XL-DB,PSX3XL-DB-N,KLC-800,CNL-60,CNN-90 E,CNL-35E,447002P,PSX1XL-DB-N,299040,PSR033FL H,L50QS,299035,CNN-400,ESR1XL-UB,PSX3XL-DB,895040,CNL-150E,L070SQ33FL0900,SLC-BD,L50S010,L070SQ32FL1100,446010P,L125SQ71FL0450,CNL-350,ESR3XL-UB,PSX3XL-UB,PSR073FS,L070SQ30FL0500,299050,447003P,CNN-10,CNN-40 E,PSR072DL,481,PSR073FL,0898 SERIES,L070SQ32FL0800,PSR033FS_H,CNL-175E,999020,CNL-125,999025,496200,ESR3XL-DB,895050,PSR072UL,LVSP-15-R,TLS-100L,299060,PSX3XL-UB-N,PSX1XL-UB,CNL-40,44607.5,250,447004P,895020,TLS-100MB,CNN-300,498,L50S035,L17T800A,L50S030,LVSP-40-P,895025,L70S800,999030,999035,L70S001,CNL-130,CNL-250,CNL-80E,KLC-0,CNL-50,PSR033DL,CNN-250 E,TLS-1LR,299070,PSR072FS,L070SQ30FL0400,PSX3XL-FL,CNN-175 E,PSR072FL,PSR071DL,447005P,125LR,L070SQ32FL0900,999040,CNN-125 E,895030,PSR033US,PSR033UL,PSR033FL_H,LVSP-40-2,TLS-1MB,PSX1XL-DB,PSX3XL-FL-N,4998,PSR033DS,PSR071UL,PSX1XL-FL,447010P,LDC600,CNN100E-UD,447010,CNN150E-U,TLS1,CNL-130E,HSB,L070SQ33FL0700,CNL-275E,CNN-600,LVSP-100-XL,LVSP-20-R,CN-275,L17T1200A,TLS100LS-C,JLLS 175 VP,L070SQ33FL1250,CNN-80 E,JLLS 0-30LS,CNN-500 E,447002,L060SQ33FL1600,447005,CNL-35,447003,AES,447004,CNL-325,LVSP-20-2,CNL-200,CNN-150,606,607,L070SQ33FL1000,299020,LVSP-80,297,CNN-500,298,PSR033FS H,TLS125,L070SQ33FL0800,LVSP-30-2,44707.5,LVSP-15-2,KLPC-200,L070SQ32FL1000,CNN-150 E,L060SQ33FL1500,299030,PSR073DL,LVSP-80-2,299025,CNN-100 E,CNL-250E,PSX1XL-FL-N,CNN150E-UD,CNN- 350 E,L17T900A,PSX1XL-UB-N,CNL-225,KLKD005.HXL,L50S800,CNL-100,PSR073UL,CNN-175,L070SQ33FL1100,L070SQ32FL0700,496060,CNN-80,LVSP-5-R,MIDI,L17T70,257003,CNN-325 E,446004,446005,446002,446003,TLS-1LSE,CNN-125,JLLN-LSE,CNN-800,997,998,LVSP-10-2,JLLN-LS,PSR031FS,PSR030DS,CNL-40E,CNN-90,L060SQ33FL1800,CNN-400 E,PSR031FL,PSR030DL,CNN-225-E,881F,PSR030US,880,0898,LVSP-60,881,L070SQ30FL0350,LVSP-60-2,CNL-400,PSR030UL,MIDI SERIES,L070SQ33FL0630,CNN100E-U,0899,CNN-350,CNN-700 E,L60S800,CNN-60,PSR033FL H SERIES,L60S001,L70QS,891,LVSP-30,CNN-700,KLKD.750.HXL,L070SQ32FL0630,TLS1-LBE,495060,287003,496150,JFHR,LVSP-5-2,L15S001,PSR030FS,44607.5P,PSR030FL,883F,CNN-60 E,446010,LDC150,L070SQ30FL0250,LVSP-40,257APC,CNL-300,CNN-250,LVSP-10-R,TLS-1,495050,L75QS,CNN-40,TLN 1-600,299080,CNL-200E,TLS100LB,CNN-50 E,L070SQ30FL0315,999050,CNN-35 E,CNN-200,JLLN-V,CNN-300 E,TLS-125SA,CNN-325,CNN- 200 E,TLS100LS,JLLN-L,CNL-275,446002P,CNL-150,CNL-60E,PSR033FS,PSR032DS,PSR032DL,495040,CNN-50,PSR071FS,L25S800,CNL-225E,PSR033FL,TLS V1,PSR070DL,TLS-1SA,PSR071FL,L25S001,44707.5P,PSR032US,999060,L070SQ30FL0550,L070SQ33FL1400,JLLS 0-30V,PSR032UL,446003P,PSR070UL,495030,L15S1000,CNL-80,TLS V100,CNL-125E,CNN-225,999070,CNL-100E,495025,CNL-175,CNN-100,895060,446004P,CNL-50E,PSR032FS,PSR031DS,CNN-275 E,495020,KLPC-600,PSR070FS,PSR032FL,PSR031DL,999080,581,PSR070FL,TLS125LSE,CNN-35,PSR031US,CNN-800 E,TLS125-LBE,L070SQ30FL0450,CNL-500,496100,PSR031UL,446005P,半导体器件,SEMI-CONDUCTOR DEVICES
JFGA.E339112-光伏系统保险丝
本资料介绍了适用于光伏系统的熔断器产品，包括不同型号、额定电压、电流和断电能力等参数。产品型号涵盖SPF、SPH、SPFJ、KLKD、SPXC、SPXV、SPNH等多个系列，适用于不同电流和电压需求。资料还提及了产品认证和版权信息。
LITTELFUSE - FUSES,保险丝,SPF-E X,SPNH080.XXDE,SPNH 50-200A,SPNH160.X,SPFJXXXL,SPNH200.X2XLDE,SPNH315.X3L,SPNH100.XXDLMS,SPNH200.XXDEMS,SPNH200.X2XLDL,SPNH200.X2XL,SPNH050.XXDL,SPNH080.XXDLMS,SPH 015,SPNH350.X3LDE,SPFJ 70 - 200,SPFJ 450,SPNH125.XXDEMS,SPNH315.X3LDL,SPNH315.X3LDEMS,SPNH160.XXDEMS,SPFX,SPNH315.X3LDE,SPNH500.X3LDE,SPNH050.X,SPNH125.XXDE,SPNH200.XXDLMS,SPNH100.XXDL,SPNH250.X2XLDEMS,SPNH500.X3L,SPNH160.XXDL,SPNH050.XXDE,SPNH350.X3LDLMS,SPNH450.X3LDL,SPNH063.XXDLMS,SPNH080.XXDL,SPNH125.XXDL,SPNH100.XXDE,SPNH500.X3LDL,SPNH050.XXDLMS,SPFJ 250-400,SPNH080.XXDEMS,SPNH063.XXDEMS,SPNH250.X2XL,SPNH450.X3LDE,SPNH200.X2XLDLMS,SPNH450.X3L,SPNH200.X,SPNH160.XXDE,SPNH400.X3L,SPXCXXX,SPNH080.X,SPNH250.X2XLDE,SPNH400.X3LDLMS,SPNH200.XXDE,SPNH400.X3LDL,SPNH125.XXDLMS,SPXVXX,SPNH250.X2XLDLMS,SPNH200.XXDL,SPNH350.X3L,SPNH160.XXDLMS,SPNH350.X3LDL,SPNH063.X,SPNH400.X3LDE,SPNH063.XXDL,SPNH100.XXDEMS,SPNH050.XXDEMS,KLKDX,SPNH125.X,SPNH100.X,SPNH315.X3LDLMS,SPNH350.X3LDEMS,光伏系统,PHOTOVOLTAIC SYSTEMS
在SLC保险丝中添加标签图例（LFPCN_PG0176）
Littelfuse公司通知，SLC熔断器标签将更新，增加170VDC标识。此变更不影响产品尺寸、形状或功能，将于2024年3月生效。涉及的产品型号包括0SLC.500T等。
LITTELFUSE - FUSES,保险丝,0SLC003.T,0SLC015.T,0SLC002.T,0SLC001.T,0SLC003.HXR,0SLC035.HXR,0SLC060.T,0SLC.500T,0SLC050.T,0SLC002.HXR,0SLC030.T,0SLC040.T,0SLC020.T,0SLC030.HXR,0SLC008.T,0SLC010.T,0SLC045.T,0SLC006.T,0SLC012.T,0SLC005.T,0SLC004.T,0SLC025.T,0SLC035.T
UL POWR保险丝
Littelfuse提供多种UL认证的保险丝，针对商业和工业市场需求，包括RK1至Midget等多个系列，用于短路和过载保护。产品包括时间延迟和快速动作类型，适用于不同电压和电流等级，满足开关设备、电机和变压器保护、控制面板或户外照明等多种应用需求。
LITTELFUSE - UL保险丝,UL FUSES,UL POWR保险丝,UL POWR FUSES,FLSR_ID SERIES,FLSR,KLKR SERIES,SLC,KLK,KLDR,JTD SERIES,KLQ,LLSRK_ID,FLNR SERIES,CCMR,NLN SERIES,LLSRK,NLS SERIES,KLSR,JLLS SERIES,FLSR SERIES,IDSR_ID,LLSRK_ID SERIES,FLSR_ID,FLNR,KLKR,FLA,JTD,BLF,LLNRK SERIES,KLNR SERIES,BLN,JTD_ID,FLM,KLNR,BLS,FLQ,FLU,JLS,SLC SERIES,NLN,NLS,LLNRK,KLKD,JTD_ID SERIES,IDSR_ID SERIES,KLDR SERIES,CCMR SERIES,FLNR_ID,JLLN,LLSRK SERIES,FLNR_ID SERIES,JLLS,JLLN SERIES,KLSR SERIES,JLS SERIES,MOTOR,马达,COMMERCIAL,户外照明,CONTROL PANELS,开关设备,TRANSFORMER PROTECTION,工业市场,SWITCHGEAR,OUTDOOR LIGHTING,变压器保护,控制面板,商业的,INDUSTRIAL MARKET
JFGA8.E339112-加拿大认证的光伏系统保险丝-加拿大认证的光伏系统组件保险丝-组件
本资料介绍了多种适用于光伏系统的熔断器，包括不同额定电流和电压的型号。熔断器品牌为LITTELFUSE，型号涵盖了从0.375A至35-60A的电流范围，以及1000VDC至1500VDC的电压范围。产品已获得加拿大认证，并带有相应的认证标志。资料最后更新于2022年5月10日。
LITTELFUSE - FUSES,部件保险丝,COMPONENT FUSES,保险丝,SPXI-SNCN,SPXI-BSM,SPFI,SPXI-BSN,SPXI-S,SPXI-BSCN,SPXI-SCN,SPXI-BM,SPXI-BMCN,SPXI-CN,SPXI,SPXI-BS-MCN,SPXI-B,SPFI025-BD,SPXI-BSNM,SPXI-BS,SPXI-BCN,SPXI-SN,SPXI-BSNCN,SPXI-BSMCN,SPXI-M,4000027
请帮推荐一款插片保险丝 2A/32V保险丝 (灰色) 需要有过UL认证
推荐littelfuse的“MINI® Blade Fuses Rated 32V”，32V/2A对应的型号是0297002.WXNV。相关资料链接：MINI® Blade Fuses Rated 32V
保险丝与建筑市场
Littelfuse提供多种UL认证的保险丝，针对商业建筑市场，满足严格的保护需求。产品包括不同类型的保险丝，如Class L、RK1、RK5、J、T、CC/CD和Midget，适用于电流限制、短路和过载保护。产品系列包括KLPC、KLLU、LDC、LLSRK/LLSRK_ID、KLNR/KLSR、FLNR/FLNR_ID、FLSR/FLSR_ID、IDSR_ID、JTD/JTD_ID、JLS、JLLN、JLLS、CCMR、KLDR、KLKR、BLF、BLN、BLS、FLA、FLM、FLQ、KLK、KLKD、KLQ、FLU等，具有不同的电压和电流额定值。
LITTELFUSE - FUSES,UL保险丝,UL FUSES,保险丝,LLNRK SERIES,KLNR SERIES,FLSR_ID SERIES,BLN,FLSR,KLNR,KLKR SERIES,FLM,BLS,KLLU,LDC,FLQ,KLK,KLDR,FLU,JTD SERIES,JLS,KLQ,LLSRK_ID,FLNR SERIES,LDC SERIES,LLNRK,KLKD,CCMR,JTD_ID SERIES,KLLU SERIES,LLSRK,KLDR SERIES,KLSR,JLLS SERIES,CCMR SERIES,JLLN,FLSR SERIES,LLSRK SERIES,FLNR_ID SERIES,LLSRK_ID SERIES,FLNR,JLLS,KLKR,KLPC SERIES,KLPC,JLLN SERIES,FLA,KLSR SERIES,JTD,JLS SERIES,BLF,COMMERCIAL CONSTRUCTION MARKET,商业建筑市场
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授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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