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Protection Relays & Systems
(34 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 |
|---|---|---|---|---|---|
 3RN20131GW30Protection Relays & Systems | Siemens | THERMISTOR MOT. PROT. 2W GOLD PR | In Stock | - | |
 3RN20131BW30Protection Relays & Systems | Siemens | THERMISTOR MOTOR PROT. 2CO PROT. | 3 | - | |
 3RN20102CA30Protection Relays & Systems | Siemens | THERMISTOR MOT. PROT. 1NO 1NC BI | In Stock | - | |
 3RN20121BW31Protection Relays & Systems | Siemens | THERMISTOR MOTOR PROT. 2 CO BIST | In Stock | - | |
 3RN20232DW30Protection Relays & Systems | Siemens | THERMISTOR MOT. PROT. 1NO 1CO WA | In Stock | - | |
 3RN20122BW31Protection Relays & Systems | Siemens | THERMISTOR MOTOR PROT. 2 CO BIST | In Stock | - | |
 3UG46171CR20Protection Relays & Systems | Siemens | Mains monitoring relay, 3UG4617-1CR20, Siemens | 5 | - | |
3UG46151CR20Protection Relays & Systems | Siemens | VOLTAGE MONITORING RELAY | 6 | - | |
3UG46181CR20Protection Relays & Systems | Siemens | AUT. CORRECTION OF PHASE SEQU. | 5 | - |
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