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Protection Relays & Systems
(1135 results)Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.
| Part # | Manufacturer | Description | Availability | Pricing | Quantity |
|---|---|---|---|---|---|
 WD25-012Protection Relays & Systems | TE Connectivity Potter & Brumfield Relays | PROTECTIVE POWER RELAY | In Stock | - | |
SL180724Protection Relays & Systems | Carlo Gavazzi | SET RESET MEM RELAY 24 VDC | In Stock | - | |
CGD06-SE110VProtection Relays & Systems | Carlo Gavazzi | DSSOLR(7SEG) SCREW EXT | In Stock | - | |
 600PSR-165/300-CUProtection Relays & Systems | Altech Corporation | PROTECTION RELAY 3PH 165-300V AC | In Stock | - | |
SE-502-01Protection Relays & Systems | Littelfuse | SURGE ARRESTER GDT | In Stock | - | |
 VPRD2M-BL-CEProtection Relays & Systems | Selec Controls | DIGITAL ,1-2W, 3-4W, UNDER / OVE | In Stock | - | |
SE-KP2ENProtection Relays & Systems | Omron Automation | RELAY MOTOR PROTECT 200/220/240V | In Stock | - | |
 SE-134C-00Protection Relays & Systems | Littelfuse | SPST-NO/NC Relay, 80-370VDC, 60-265VAC, Screw Term | 2 | - | |
 640PSR-V-CEProtection Relays & Systems | Selec Controls | 3-3W PHASE FAILURE RELAY WITH PH | In Stock | - | |
 SE-134C-XGC-00Protection Relays & Systems | Littelfuse | GF-GC MON AC/DC SUPPLY EXT-GC | In Stock | - | |
 SE-325ESNProtection Relays & Systems | Littelfuse | NGR MON 240 VAC EXT RF NON-LATCH | In Stock | - | |
 SE-330-01-00Protection Relays & Systems | Littelfuse | Protection Relays and Controls | In Stock | - | |
 H3RN-11-B DC12Protection Relays & Systems | Omron Automation | TMR SPDT 0.1MIN-10HR BLCK DC12 | In Stock | - | |
 K2CM-1LSProtection Relays & Systems | Omron Automation | RELAY MOTOR PROTECTIVE 2-8A | 2 | - | |
 SE-325Protection Relays & Systems | Littelfuse | Electromechanical Relay 120VAC SPST( (109mm 100mm 150mm)) SMD Monitoring Relay | 8 | - | |
 EL731-21-10Protection Relays & Systems | Littelfuse | AC/DC EARTH-LKGE RELAY | In Stock | - | |
 SE-330-23-01Protection Relays & Systems | Littelfuse | NGR MONITOR NC 48-VDC ETHERNET | In Stock | - | |
 PGR-3200-120Protection Relays & Systems | Littelfuse | GROUND FAULT&INSUL MONITOR 120V | 10 | - | |
EL731-02-10Protection Relays & Systems | Littelfuse | AC/DC EARTH-LKGE RELAY 75-275V | In Stock | - | |
1618067-7Protection Relays & Systems | TE Connectivity | POWER/SIGNAL RELAY, SPST, MOMENTARY | In Stock | - | |
 SE-703-0T-02Protection Relays & Systems | Littelfuse | MONITOR EARTH LEAKAGE | In Stock | - | |
SE-330-24-00Protection Relays & Systems | Littelfuse | MONITOR NGR 48VDC SC FBR/RJ45 | In Stock | - | |
SE-703-03-02Protection Relays & Systems | Littelfuse | MONITOR EARTH LEAKAGE | In Stock | - | |
SE-325ETProtection Relays & Systems | Littelfuse | NGR MON 240 VAC GF TIME 0.1-5S | In Stock | - | |
H3RN-11-B DC24Protection Relays & Systems | Omron Automation | TMR SPDT 0.1MIN-10HR BLCK DC24 | In Stock | - |
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