Protection Relays & Systems29 Products
Sort by:
| Image | Part Number | Manufacturer | Description | Availability | Actions | |
|---|---|---|---|---|---|---|
 PDF | TPRA2M1-1-U-CE | Selec Controls USA Inc. | THERMISTOR PROTECTION RELAY FOR | In Stock | MOQ: 1 Hover to quote | |
 PDF | PPRA-4M-3-415V | Selec Controls USA Inc. | 3-3W, ANALOG PUMP PROTECTION REL | In Stock | MOQ: 1 Hover to quote | |
PDF | 900VPR-2-300/600V-CU | Selec Controls USA Inc. | 3 PHASE-3W 300 TO 600V, PHASE FA | In Stock | MOQ: 1 Hover to quote | |
 PDF | 642PSR-310/520V | Selec Controls USA Inc. | 3-3W, PHASE FAILURE, PHASE SEQUE | In Stock | MOQ: 1 Hover to quote | |
 PDF | MPR-3M-2-230V | Selec Controls USA Inc. | ANALOG MOTOR PROTECTION RELAY, 2 | In Stock | MOQ: 1 Hover to quote | |
 PDF | 900CPR-1-230V | Selec Controls USA Inc. | 1, OVER / UNDER CURRENT MONITORI | In Stock | MOQ: 1 Hover to quote | |
PDF | PPRD-4M-3-415V | Selec Controls USA Inc. | 3-3W, DIGITAL PUMP PROTECTION RE | In Stock | MOQ: 1 Hover to quote | |
 PDF | 900EFR-BL-U-CE-ROHS | Selec Controls USA Inc. | DIGITAL EARTH FAULT RELAY, 2 X 1 | In Stock | MOQ: 1 Hover to quote | |
 PDF | 600VPR-310/520-CE | Selec Controls USA Inc. | 3-3W, UNDER / OVER VOLTAGE, PHAS | In Stock | MOQ: 1 Hover to quote | |
 PDF | ELRA2M2-1-230V-CE | Selec Controls USA Inc. | ANALOG EARTH LEAKAGE RELAY, LEAK | In Stock | MOQ: 1 Hover to quote | |
 PDF | VPRD2M-BL-CE | Selec Controls USA Inc. | DIGITAL ,1-2W, 3-4W, UNDER / OVE | In Stock | MOQ: 1 Hover to quote | |
 PDF | 640PSR-CE | Selec Controls USA Inc. | 3-3W PHASE FAILURE RELAY WITH PH | In Stock | MOQ: 1 Hover to quote | |
 PDF | ELR-341-1 | Selec Controls USA Inc. | PANEL MOUNT ELR, LEAKAGE CURRENT | In Stock | MOQ: 1 Hover to quote | |
 PDF | 800PSR | Selec Controls USA Inc. | 3-3W, PHASE FAILURE, PHASE SEQUE | In Stock | MOQ: 1 Hover to quote | |
 PDF | 600VPR-1-170/290-CU | Selec Controls USA Inc. | 3 PHASE-3W 170 TO 290V, PHASE FA | In Stock | MOQ: 1 Hover to quote | |
 PDF | 900ELR-2-230V-CE | Selec Controls USA Inc. | DIGITAL EARTH LEAKAGE RELAY, LEA | In Stock | MOQ: 1 Hover to quote | |
 PDF | EFR-341-2-CE | Selec Controls USA Inc. | DIGITAL PANEL MOUNT EARTH FAULT | In Stock | MOQ: 1 Hover to quote | |
 PDF | 900ELR-2-110V-CE | Selec Controls USA Inc. | DIGITAL EARTH LEAKAGE RELAY, LEA | In Stock | MOQ: 1 Hover to quote | |
 PDF | ELCTR35-1-30MA-230V | Selec Controls USA Inc. | EARTH LEAKAGE RELAY WITH INBUILT | In Stock | MOQ: 1 Hover to quote | |
PDF | PPRD-4M-1-230V | Selec Controls USA Inc. | 1-2W ,DIGITAL PUMP PROTECTION RE | In Stock | MOQ: 1 Hover to quote |
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.