German
Japanese
Portuguese
Korea
Mexico
Dutch
Protection Relays & Systems
(1141 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 |
|---|---|---|---|---|---|
 PGR-4700-120Protection Relays & Systems | Littelfuse | Electromechanical Relay 120VAC DPST-NO/DPST-NC(55x115x75)mm DIN Rail Protective Relay | 19 | - | |
 ELCTR35-1-300MA-230VProtection Relays & Systems | Selec Controls | EARTH LEAKAGE RELAY WITH INBUILT | In Stock | - | |
 SE-KP1ANProtection Relays & Systems | Omron Automation | RELAY MOTOR PROTECT 100/110/120V | 2 | - | |
 SE-330HV-03-00Protection Relays & Systems | Littelfuse | NGR MONITOR HV ETHERNET | In Stock | - | |
 MPS-469X-41000Protection Relays & Systems | Littelfuse | MPS GE469 RETROFIT KIT | In Stock | - | |
 SE-330-06-01Protection Relays & Systems | Littelfuse | NGR MON UNIV DUAL RJ45 61850 K4 | In Stock | - | |
SE-330AU-00-01Protection Relays & Systems | Littelfuse | NEUTRAL-EARTHING-RESISTOR MONITO | In Stock | - | |
 SE-704-0DProtection Relays & Systems | Littelfuse | SENSITIVE GF RELAY 9 36 VDC | 4 | - | |
 PGM-8600Protection Relays & Systems | Littelfuse | Relay monitors the insulation resistance to ground for failures | In Stock | - | |
 FPU-32-04-00Protection Relays & Systems | Littelfuse | Feeder Protection Relays | In Stock | - | |
56272Protection Relays & Systems | Schneider Electric | EARTHLEAKAGE RELAY RH99P WITH MA | In Stock | - | |
 SE-325EProtection Relays & Systems | Littelfuse | Electromechanical Relay 240VAC SPST( (109mm 100mm 150mm)) SMD Monitoring Relay | 1 | - | |
SE-325DSNProtection Relays & Systems | Littelfuse | NGR MON 120VAC/VDC NON-LATCH | In Stock | - | |
SE-325DNProtection Relays & Systems | Littelfuse | NGR MONITOR 120 VAC/VDC NON-LATC | In Stock | - | |
K6EL-A100Protection Relays & Systems | Omron Automation | EARTH LEAKAGE RELAY | In Stock | - | |
SE-330AU-03-01Protection Relays & Systems | Littelfuse | NEUTRAL-EARTHING-RESISTOR MONITOR | 2 | - | |
 MPR-3M-2-230VProtection Relays & Systems | Selec Controls | ANALOG MOTOR PROTECTION RELAY, 2 | In Stock | - | |
SE-330HV-01-00Protection Relays & Systems | Littelfuse | NGR MONITOR HV DEVICENET | In Stock | - | |
 EL731-24-10Protection Relays & Systems | Littelfuse | AC/DC EARTH-LKGE RELAY | In Stock | - | |
WD25-023Protection Relays & Systems | TE Connectivity Potter & Brumfield Relays | PROTECTIVE REVERSE POWER RELAY | In Stock | - | |
 SE-704-0T-CCProtection Relays & Systems | Littelfuse | SE-704-0T WITH CONFORMAL COATING | In Stock | - | |
 NGRM-ENC-000-00Protection Relays & Systems | Littelfuse | SE-325 NGR MON ENCL | In Stock | - | |
SE-330AU-27-00Protection Relays & Systems | Littelfuse | MONITOR NGR 48V SC FBR/RJ45 | In Stock | - | |
 SE-TA6Protection Relays & Systems | Littelfuse | GF/GC TERM ASSY 5.6V 50W | 31 | - | |
 SE-KP2NProtection Relays & Systems | Omron Automation | RELAY MOTOR PROTECT 200/220/240V | 3 | - |
.png?x-oss-process=image/format,webp/resize,h_32)
