Result: 692 products
Protection Relays & Systems
Select Mfr Part # Price Stock ? Manufacturer Min order RoHS status Seri Package Part Status Datasheet Features Delay Time Mounting Type Function Operating Temperature Termination Style Voltage - Supply Trip Range
777-TS

777-TS

3-PHASE OVERLOAD RELAY/190-480

Contact 1 - immediate Littelfuse Inc. 1 ROHS3 Compliant 777/77C Bulk Active Datasheet -0.2 ~ 500sChassis MountMultiple-20u00b0C ~ 70u00b0CScrew Terminal200 ~ 480VAC2 ~ 800A, 170 ~ 528VAC
777-KW/HP-P2

777-KW/HP-P2

3-PHASE POWER MONITOR/200-480V

Contact 1 - immediate Littelfuse Inc. 1 ROHS3 Compliant 777-KW/HP-P2 Bulk Active Datasheet --Chassis MountMultiple-20u00b0C ~ 70u00b0CScrew Terminal200 ~ 480VAC200 ~ 480V AC
SE-704-0D

SE-704-0D

SENSITIVE GF RELAY 9 36 VDC

Contact 0 - immediate Littelfuse Inc. 1 ROHS3 Compliant SE-704 Bulk Active Datasheet CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button0.03 ~ 20sDIN RailGround Fault-Screw Terminal12 ~ 24VDC0.01 ~ 5A
SE-107

SE-107

GROUND-FAULT GROUND-CHECK MON

Contact 1 - immediate Littelfuse Inc. 1 ROHS3 Compliant SE-107 Bulk Active Datasheet Automatic Reset, Manual Reset0.1 ~ 1sChassis MountGround Fault-Screw Terminal120VAC0.5 ~ 5A
EL731-00-00

EL731-00-00

AC/DC EARTH-LKGE RELAY 75-275V

Contact 1 - immediate Littelfuse Inc. 1 ROHS3 Compliant EL731 Bulk Active Datasheet CT Loop Monitoring, Harmonic Filtering0.05 ~ 2sPanel MountGround Fault, Overtemperature-Spring Terminal120 ~ 240VAC/DC0.03 ~ 5A
SE-601-0D-CC

SE-601-0D-CC

SE-601-0D WITH CONFORMAL COATING

Contact 1 - immediate Littelfuse Inc. 1 ROHS3 Compliant SE-601 Bulk Active Datasheet Manual Reset, Test Button0.5 ~ 2.5sChassis Mount, DIN RailGround Fault, Overcurrent-40u00b0C ~ 85u00b0CScrew Terminal12 ~ 24VDC0.1 ~ 0.2A
PGR-6100-240

PGR-6100-240

MOTOR GROUND FAULT & INSUL RELAY

Contact 1 - immediate Littelfuse Inc. 1 ROHS3 Compliant PGR-6100 Bulk Active Datasheet Harmonic Filtering, Manual Reset, Test Button0.05 ~ 1sChassis Mount, DIN RailGround Fault-Screw Terminal240VAC10mA ~ 3A
AF0500-00

AF0500-00

ARC-FLASH RELAY

Contact 0 - immediate Littelfuse Inc. 1 ROHS3 Compliant AF0500 Bulk Active Datasheet -Chassis MountArc-Flash-40u00b0C ~ 70u00b0CScrew Terminal100 ~ 240VAC, 110 ~ 250VDC, 24 ~ 48VDC--
SE-330-20-00

SE-330-20-00

GRND RES RELAY LOCAL ONLY DC SUP

Contact 0 - immediate Littelfuse Inc. 1 ROHS3 Compliant SE-330 Bulk Active Datasheet Harmonic Filtering, Manual Reset0.1 ~ 10sPanel MountGround Fault-40u00b0C ~ 60u00b0CScrew Terminal48VDC20 ~ 10000VAC
RES100K

RES100K

NGR MONITOR TEST RESISTOR 100 KO

Contact 1 - immediate Littelfuse Inc. 1 ROHS3 Compliant - Bulk Active Datasheet --------
S8M-CP04

S8M-CP04

PWR MULTICIRCUIT PROTECT

Contact 1 - immediate Omron Automation and Safety 1 Not applicable S8M Bulk Active Datasheet --DIN RailOvercurrent, Overtemperature, Overvoltage, Undervoltage-10u00b0C ~ 60u00b0CScrew Terminal24VDC0.5mA ~ 4A, 18.0 ~ 28.8VDC
640PSR-V-CE

640PSR-V-CE

3-3W PHASE FAILURE RELAY WITH PH

Contact 0 - immediate Selec Controls USA Inc. 1 ROHS3 Compliant 640PSR Box Active Datasheet -2 ~ 10sDIN RailOvervoltage, Phase Asymmetry, Phase Loss, Phase Sequence, Undervoltage0u00b0C ~ 50u00b0CScrew Terminal154 ~ 520VAC-
642PSR-310/520V

642PSR-310/520V

3-3W, PHASE FAILURE, PHASE SEQUE

Contact 0 - immediate Selec Controls USA Inc. 1 ROHS3 Compliant 642PSR Box Active Datasheet Automatic Reset0.4sDIN RailPhase Asymmetry, Phase Loss, Phase Sequence0u00b0C ~ 50u00b0CScrew Terminal280 ~ 520VAC-
600VPR-1-130/320-CE

600VPR-1-130/320-CE

1-2W, UNDER / OVER VOLTAGE, PHAS

Contact 0 - immediate Selec Controls USA Inc. 1 ROHS3 Compliant 600VPR Box Active Datasheet Automatic Reset0.25 ~ 20sDIN RailOvervoltage, Undervoltage0u00b0C ~ 50u00b0CScrew Terminal130 ~ 320VAC130 ~ 320VAC
ELCTR35-1-30MA-230V

ELCTR35-1-30MA-230V

EARTH LEAKAGE RELAY WITH INBUILT

Contact 0 - immediate Selec Controls USA Inc. 1 ROHS3 Compliant ELCTR Box Active Datasheet Manual Reset, Test Button-DIN RailGround Fault0u00b0C ~ 55u00b0CScrew Terminal230VAC30mA