Protection Relays & Systems1,049 Products
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| Image | Part Number | Manufacturer | Description | Availability | Actions | |
|---|---|---|---|---|---|---|
 PDF | DPC01DM44 | Carlo Gavazzi Inc. | THREEPHASE TRMS VOLTAGE DIN RAIL | In Stock | MOQ: 1 Hover to quote | |
PDF | DUB01CD4810V | Carlo Gavazzi Inc. | 1-PHASE TRUE RMS MONITORING RELA | In Stock | MOQ: 1 Hover to quote | |
PDF | 110270 | METZ CONNECT USA Inc. | ASD-C18 (MEASURING AND MONITORIN | In Stock | MOQ: 1 Hover to quote | |
| KL270601 | American Electrical Inc. | DIGITAL PROTECTION RELAY 3120 | In Stock | MOQ: 1 Hover to quote | |
| KL270602 | American Electrical Inc. | DIGITAL PROTECTION RELAY DRP 311 | In Stock | MOQ: 1 Hover to quote | |
PDF | 1487448 | Phoenix Contact | Interconnect Misc | In Stock | MOQ: 1 Hover to quote | |
| 11027070 | METZ CONNECT USA Inc. | ASD-F-C18 | In Stock | MOQ: 1 Hover to quote | |
PDF | TPRA2M1-1-U-CE | Selec Controls USA Inc. | THERMISTOR PROTECTION RELAY FOR | In Stock | MOQ: 1 Hover to quote | |
| 900VPR-2-300/600V-CU | Altech Corporation | DIGITAL VOLTAGE/PHASE/FREQ. PROT | 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 | TVM-400-20-2000 | R-K Electronics, Inc. | 3 VOLT RELAY ADJ 410-490VAC 10P | In Stock | MOQ: 1 Hover to quote | |
PDF | TVM-400-10-0002 | R-K Electronics, Inc. | 3 VOLT RELAY ADJ 410-490VAC -10P | In Stock | MOQ: 1 Hover to quote | |
 PDF | PRS-400 | R-K Electronics, Inc. | PHASE REVERSAL,440/480VAC 3 DPDT | In Stock | MOQ: 1 Hover to quote | |
 PDF | SVM-575A-19 | R-K Electronics, Inc. | 1 VOLT RELAY ADJ 575VAC 10P 8-PI | In Stock | MOQ: 1 Hover to quote | |
 PDF | DPM-24D-MRTU-T | R-K Electronics, Inc. | 3 VOLT RELAY, 24VDC, 200-600VAC, | In Stock | MOQ: 1 Hover to quote | |
 PDF | SVM-120A-79 | R-K Electronics, Inc. | 1 VOLT RELAY ADJ 100-130VAC #79 | In Stock | MOQ: 1 Hover to quote | |
PDF | TVM-200-20-0002 | R-K Electronics, Inc. | 3 VOLT RELAY ADJ 200-250VAC 10P | In Stock | MOQ: 1 Hover to quote | |
 PDF | DPM-240A-T | R-K Electronics, Inc. | 3 VOLT RELAY, 240VAC, 200-600VAC | In Stock | MOQ: 1 Hover to quote | |
PDF | PRR-400 | R-K Electronics, Inc. | PHASE LOSS/REVERSAL 440/480VAC 3 | In Stock | MOQ: 1 Hover to quote | |
 PDF | PVC-200-AR | R-K Electronics, Inc. | 3 VOLTAGE MONITOR,208/240VAC 3, | 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.