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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 |
|---|---|---|---|---|---|
 D101XProtection Relays & Systems | TE Connectivity | POWER/SIGNAL RELAY, SPST, MOMENTARY, 2000mW (COIL), 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT | In Stock | - | |
 4-1618107-9Protection Relays & Systems | TE Connectivity | Wouv-24Dc-Bp Equal Wilmar Over/Under | 3 | - | |
6-1618107-5Protection Relays & Systems | TE Connectivity | WOUVT1-120AC-3P=WILMAR OVER/UN | 11 | - | |
1-1618082-8Protection Relays & Systems | TE Connectivity | 400-45XC Equal WILMAR UNDERVOLTAGE | In Stock | - | |
 WD47-001Protection Relays & Systems | TE Connectivity | Electromechanical Relay 18/54VDC 5A DPDT(73x75x112)mm Flange Protective Relay | In Stock | - | |
 WD5051-3-002Protection Relays & Systems | TE Connectivity | Electromechanical Relay 13.5 to 32VDC 5A DPDT(73x112)mm Flange Protective Relay | In Stock | - | |
 SL170115Protection Relays & Systems | Carlo Gavazzi | SET RESET RELAY 115 VAC | In Stock | - | |
SL170230Protection Relays & Systems | Carlo Gavazzi | SET RESET RELAY 230 VAC | In Stock | - | |
SL180024Protection Relays & Systems | Carlo Gavazzi | SET RESET MEM RELAY 24 VAC | In Stock | - | |
SL180230Protection Relays & Systems | Carlo Gavazzi | SET RESET MEM RELAY 230VAC | In Stock | - | |
 PAP240Protection Relays & Systems | Macromatic Industrial Controls | THREE-PHASE MONITORING RELAY | 5 | - | |
 VAKP240AProtection Relays & Systems | Macromatic Industrial Controls | VOLTAGE MONITOR | 5 | - | |
 PAP480Protection Relays & Systems | Macromatic Industrial Controls | THREE-PHASE MONITORING RELAY | 5 | - | |
 PMDUProtection Relays & Systems | Macromatic Industrial Controls | THREE-PHASE MONITORING RELAY | 5 | - | |
 PCPUProtection Relays & Systems | Macromatic Industrial Controls | THREE-PHASE MONITORING RELAY | 5 | - | |
 VWKP240AProtection Relays & Systems | Macromatic Industrial Controls | VOLTAGE MONITOR | 5 | - | |
 PMD575Protection Relays & Systems | Macromatic Industrial Controls | THREE-PHASE MONITORING RELAY | 5 | - | |
 VAKP120AProtection Relays & Systems | Macromatic Industrial Controls | VOLTAGE MONITOR | 5 | - | |
 PLPUProtection Relays & Systems | Macromatic Industrial Controls | THREE-PHASE MONITORING RELAY | 5 | - | |
 PMPUProtection Relays & Systems | Macromatic Industrial Controls | THREE-PHASE MONITORING RELAY | 5 | - | |
 VMP240AProtection Relays & Systems | Macromatic Industrial Controls | VOLTAGE MONITOR | 5 | - | |
 H3RN-21-B AC24Protection Relays & Systems | Omron Automation | TMR DPST-NO .1MIN-10HR BK AC24 | In Stock | - | |
H3RN-21-B DC24Protection Relays & Systems | Omron Automation | TMR DPST-NO .1MIN-10HR BK DC24 | In Stock | - | |
H3RN-21-B DC12Protection Relays & Systems | Omron Automation | TMR DPST-NO .1MIN-10HR BK DC12 | In Stock | - | |
APR-S380Protection Relays & Systems | Omron Automation | 380/400V MOTOR REVERSE DETECT | 210 | - |
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