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Home > Line Card > Hamlin / Littelfuse > Industrial Controls > Protection Relays & Systems
Hamlin / Littelfuse

Hamlin / Littelfuse

- Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard®, SIDACtor®, PolySwitch, 2Pro and PolyZen branded products, with a wide range of technologies such as Fuses and Accessories, PTCs (PolySwitch), GDTs, Varistors, Polymer ESD Suppressors, Surge Protection Modules, TVS Diodes, TVS Diode Arrays (SPA® Diodes), Switching Thyristors, Power Modules, LED Protector, SIDACtor® Protection Thyristor as well as reed switches, relays and Hall Effect sensors. Littelfuse products are backed by more than 88 years of technology innovation, industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits.

Product List

  • Part#:PGR-6802-24
  • Manufacturers:Hamlin / Littelfuse
  • Description:PUMP RELAY 40A CTS 24VDC
  • In Stock:203
$152.499/pcsRFQ
  • Part#:SE-704-0D-CC
  • Manufacturers:Hamlin / Littelfuse
  • Description:SE-704-0D WITH CONFORMAL COATING
  • In Stock:78
$395.44/pcsRFQ
  • Part#:SE-135-XGC-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR GRD-FAULT GRD-CHK RELAY
  • In Stock:22
$1419.993/pcsRFQ
  • Part#:SE-703-0T-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR EARTH LEAKAGE
  • In Stock:85
$430.013/pcsRFQ
  • Part#:SE-330HV-00-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MONITOR HV
  • In Stock:35
$1094.928/pcsRFQ
  • Part#:SE-330HV-07-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MON UNIV SC FIBER RJ45 61850
  • In Stock:21
$1675.745/pcsRFQ
  • Part#:SE-325ES
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MON 240 VAC EXTENDED RF TRIP
  • In Stock:72
$494.891/pcsRFQ
SE-330-07-00 Image
  • Part#:SE-330-07-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MON UNIV SC FIBER RJ45 61850
  • In Stock:18
$1755.213/pcsRFQ
  • Part#:777-KWHP-P2-DEMO3
  • Manufacturers:Hamlin / Littelfuse
  • Description:KWHP P2 DEMO KIT W RM1K RM2K
  • In Stock:241
$139.795/pcsRFQ
  • Part#:D0900.0010
  • Manufacturers:Hamlin / Littelfuse
  • Description:ARC DETECTING RELAY AC
  • In Stock:72
$481.323/pcsRFQ
SE-330-27-01 Image
  • Part#:SE-330-27-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR NGR 48V FBR/RJ45 61850
  • In Stock:17
$1852.502/pcsRFQ
  • Part#:FPS-CTU-01-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:FEEDER PROTECT CONTROL UNIT
  • In Stock:19
$1553.95/pcsRFQ
  • Part#:SE-330-03-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:GRND RES RELAY ETHERNET UNIV
  • In Stock:23
$1565.01/pcsRFQ
  • Part#:EL731-21-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:AC/DC EARTH-LKGE RELAY
  • In Stock:56
$686.554/pcsRFQ
  • Part#:MPS-469X-41000
  • Manufacturers:Hamlin / Littelfuse
  • Description:MPS GE469 RETROFIT KIT
  • In Stock:14
$2407.461/pcsRFQ
  • Part#:SE-330AU-03-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:NEUTRAL-EARTHING-RES MON ETHERNE
  • In Stock:25
$1534.592/pcsRFQ
  • Part#:SE-330AU-22-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:NEUTRAL-EARTHING-RES MON 48VDC P
  • In Stock:23
$1591.892/pcsRFQ
  • Part#:SE-325T
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MONITOR 120 VAC GF TIME 0.1-
  • In Stock:77
$489.812/pcsRFQ
  • Part#:SE-330HV-28-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR NGR HV 48V DUAL SC FBR
  • In Stock:17
$1892.042/pcsRFQ
  • Part#:D0100.0020
  • Manufacturers:Hamlin / Littelfuse
  • Description:JUNCTION WO. INDICATION
  • In Stock:69
$440.24/pcsRFQ
  • Part#:PGR-6801-24
  • Manufacturers:Hamlin / Littelfuse
  • Description:PUMP RELAY 16A CTS 24VDC
  • In Stock:251
$151.494/pcsRFQ
  • Part#:MPS-CTU-02-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:MPS W/DEVICENET CONTROL UNIT
  • In Stock:23
$1576.911/pcsRFQ
  • Part#:SE-330HV-28-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR NGR HV 48V DUAL SC FBR
  • In Stock:20
$1860.968/pcsRFQ
  • Part#:SE-145-03-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:SURGE ARRESTER GDT
  • In Stock:9
$3838.747/pcsRFQ
  • Part#:SE-330AU-26-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR NGR 48V DUAL RJ45 61850
  • In Stock:18
$1857.895/pcsRFQ
  • Part#:MPU-32-X69X-12000
  • Manufacturers:Hamlin / Littelfuse
  • Description:MOTOR PROTECTION KIT RETROFIT
  • In Stock:12
$2686.642/pcsRFQ
  • Part#:SE-330AU-00-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:NEUTRAL-EARTHING-RESISTOR MONITO
  • In Stock:27
$1133.288/pcsRFQ
  • Part#:RES020K
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MONITOR TEST RESISTOR 20 KOH
  • In Stock:8714
$4.377/pcsRFQ
  • Part#:FPU-32-00-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:FPR W/TIA-232
  • In Stock:32
$934.786/pcsRFQ
SE-330-22-01 Image
  • Part#:SE-330-22-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MONITOR NC 48-VDC PROFIBUS
  • In Stock:17
$1706.947/pcsRFQ
  • Part#:777-P2-DEMO
  • Manufacturers:Hamlin / Littelfuse
  • Description:777-P2 STANDALONE DEMO
  • In Stock:833
$45.166/pcsRFQ
  • Part#:EL731-22-10
  • Manufacturers:Hamlin / Littelfuse
  • Description:AC/DC EARTH-LKGE RELAY
  • In Stock:36
$926.908/pcsRFQ
PGR-8800-00 Image
  • Part#:PGR-8800-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:ARC-FLASH RELAY NO COMM. UL&C-TI
  • In Stock:30
$1209.305/pcsRFQ
  • Part#:SE-703-0T-02
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR EARTH LEAKAGE
  • In Stock:70
$443.534/pcsRFQ
  • Part#:SE-330AU-26-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR NGR 48V DUAL RJ45 61850
  • In Stock:16
$1919.136/pcsRFQ
  • Part#:SE-330-01-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MONITOR NC DEVICENET
  • In Stock:20
$1619.94/pcsRFQ
  • Part#:SE-330HV-08-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MON UNIV DUAL SC FIBER 61850
  • In Stock:19
$1693.217/pcsRFQ
SE-330-27-00 Image
  • Part#:SE-330-27-00
  • Manufacturers:Hamlin / Littelfuse
  • Description:MONITOR NGR 48V FBR/RJ45 61850
  • In Stock:19
$1873.974/pcsRFQ
  • Part#:SE-105L
  • Manufacturers:Hamlin / Littelfuse
  • Description:GF-GC MONITOR 120VAC LATCHING GC
  • In Stock:73
$432.83/pcsRFQ
  • Part#:SE-325DS
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MONITOR 120 VAC/VDC EXT RF T
  • In Stock:51
$656.848/pcsRFQ
  • Part#:PGR-4700-240
  • Manufacturers:Hamlin / Littelfuse
  • Description:SENS GRND FAULT RELAY 240V SUP
  • In Stock:73
$416.621/pcsRFQ
  • Part#:MPU-32-X69X-11100
  • Manufacturers:Hamlin / Littelfuse
  • Description:MOTOR PROTECTION KIT RETROFIT
  • In Stock:12
$2709.233/pcsRFQ
  • Part#:EL731-12-10
  • Manufacturers:Hamlin / Littelfuse
  • Description:AC/DC EARTH-LKGE RELAY
  • In Stock:40
$905.22/pcsRFQ
  • Part#:EL731-03-10
  • Manufacturers:Hamlin / Littelfuse
  • Description:AC/DC EARTH-LKGE RELAY
  • In Stock:41
$875.148/pcsRFQ
  • Part#:SE-601-0D-CC
  • Manufacturers:Hamlin / Littelfuse
  • Description:SE-601-0D WITH CONFORMAL COATING
  • In Stock:63
$503.25/pcsRFQ
77C-KW/HP Image
  • Part#:77C-KW/HP
  • Manufacturers:Hamlin / Littelfuse
  • Description:1-PHASE POWER MONITOR/ 100-240
  • In Stock:289
$110.217/pcsRFQ
  • Part#:SE-330-08-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MON UNIV DUAL SC FIBER 61850
  • In Stock:22
$1640.02/pcsRFQ
SE-330-21-01 Image
  • Part#:SE-330-21-01
  • Manufacturers:Hamlin / Littelfuse
  • Description:NGR MONITOR NC 48-VDC D-NET
  • In Stock:21
$1639.859/pcsRFQ
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