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Protection Relays & Systems

1,585 products
Mfr Part # Qty Price Product Status Function Voltage - Supply Trip Range Delay Time Mounting Type Termination Style Features Operating Temperature
SE-704-0T-CC
SE-704-0T WITH CONFORMAL COATING
Littelfuse Inc.
3,918 1551.89000 Active Ground Fault 48VDC 0.01 ~ 5A 0.03 ~ 20s DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C Details
RISH RELAY V/HZ-1-1002-HA
LINE MONITORING RELAY 1-PHASE
Rishabh Instruments
10 32.00000 Active Overfrequency, Overvoltage, Phase Imbalance, Phase Loss, Underfrequency, Undervoltage 60 ~ 300VAC/DC 45Hz ~ 66Hz 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
CSRA-115A-2-30-MR
AC CURRENT, 115A, ADJ, 6-30A, MA
R-K Electronics, Inc.
5,313 280.00000 Active Overcurrent, Undercurrent 115VAC 6 ~ 30A 0.2 ~ 20s Chassis Mount Screw Terminal Manual Reset 0°C ~ 55°C Details
SE-330-00-01
NGR MONITOR NC
Littelfuse Inc.
1,718 3621.30000 Active Ground Fault 120/240VAC/DC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
ZVS-24A-A1C
MV RELAY 24VAC, ADJ 35-430MV SPD
R-K Electronics, Inc.
7,256 480.00000 Active Overvoltage 24VAC 38 ~ 380VAC 0.5 ~ 40s Chassis Mount Screw Terminal - 0°C ~ 65°C Details
EL731-23-10
AC/DC EARTH-LKGE RELAY
Littelfuse Inc.
2,378 3068.85000 Active Ground Fault, Overtemperature 24VDC 0.03 ~ 5A 0.05 ~ 2s Panel Mount Spring Terminal CT Loop Monitoring, Harmonic Filtering - Details
SE-330HV-28-00
MONITOR NGR HV 48V DUAL SC FBR
Littelfuse Inc.
5,076 6184.05000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
AR-1-2-1
CURRENT PROTECTION RELAY 1-PHASE
Rishabh Instruments
10 22.00000 Active Ground Fault, Overcurrent, Undercurrent 60 ~ 300VAC/DC 1 ~ 5A 0 ~ 10s DIN Rail Screw Terminal Automatic Reset, Manual Reset -10°C ~ 55°C Details
PMPU
THREE-PHASE MONITORING RELAY
Macromatic Industrial Controls
5 122.24000 Active Phase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage 190 ~ 500VAC - - Socketable Plug In, 8 Pin (Octal) Manual Reset -28°C ~ 65°C Details
TVM-200-21
3 VOLT RELAY ADJ 200-250VAC 13P
R-K Electronics, Inc.
2,227 120.00000 Active Overvoltage, Undervoltage 200 ~ 250VAC 26 ~ 32.5VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
PGR-3100
GRND FAULT INDICAT SYST LED 30V
Littelfuse Inc.
9,381 618.96000 Active Ground Fault 600VAC - - Panel Mount Screw Terminal Test Button - Details
SE-703-03-02
MONITOR EARTH LEAKAGE
Littelfuse Inc.
8,564 991.46000 Active Ground Fault 24VAC 25mA ~ 0.5A 0 ~ 0.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button - Details
SE-K4N
MOTOR PROTECTIVE RELAY
Omron Automation and Safety
1 369.69000 Active Overcurrent, Phase Loss, Phase Sequence 380/400/440VAC 1 ~ 160A 1 ~ 40s Panel Mount Screw Terminal Manual Reset, Test Button -10°C ~ 60°C Details
SE-135-10
GF-GC MON 18-72 VDC USES SE-TA12
Littelfuse Inc.
4,359 4006.34000 Active Ground Fault 24 ~ 48VDC - 0.1 ~ 2.5s Panel Mount Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C Details
MCDR-20-S
AC CURRENT RELAY, 20 A, C-T, T/B
R-K Electronics, Inc.
9,961 85.00000 Active - - 20A 0.1s Chassis Mount Screw Terminal Automatic Reset 0°C ~ 40°C Details
PRSL-600
PHASE REVERSAL, 575/600VAC 3 DPD
R-K Electronics, Inc.
8,179 280.00000 Active - - - - Chassis Mount Screw Terminal - - Details
TVM-300-20-0010
3 VOLT RELAY ADJ 350-420VAC 10P
R-K Electronics, Inc.
2,885 120.00000 Active Overvoltage, Undervoltage 350 ~ 420VAC 35 ~ 42VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
LVM-1-400M-S
AC/DC VOLTAGE MONTR, 120VAC, ADJ
R-K Electronics, Inc.
5,446 260.00000 Active - 100 ~ 125VAC 0.025 ~ 0.4VAC 0.75s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
RISH RELAY V-1-3000-HA
VOLTAGE PROTECTION RELAY 1-PHASE
Rishabh Instruments
10 32.00000 Active Overvoltage, Phase Imbalance, Phase Loss, Undervoltage 60 ~ 300VAC/DC - 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
NGRM-ENC-201-20
PMT SE-330 METER PULSING
Littelfuse Inc.
6,090 13488.36000 Active Ground Fault 120VAC - - Chassis Mount - - -40°C ~ 60°C Details
CSRA-115A-2-5-AR
AC CURRENT, 115A, ADJ, 1-5A, AUT
R-K Electronics, Inc.
8,972 260.00000 Active Overcurrent, Undercurrent 115VAC 1 ~ 5A 0.2 ~ 20s Chassis Mount Screw Terminal Automatic Reset 0°C ~ 55°C Details
SVM-240A-11
1 VOLT RELAY ADJ 200-250VAC -13P
R-K Electronics, Inc.
2,693 115.00000 Active Undervoltage 200 ~ 250VAC 26 ~ 32.5VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
RISH RELAY V/HZ-1-1000-LA
LINE MONITORING RELAY 1-PHASE
Rishabh Instruments
10 32.00000 Active Overfrequency, Overvoltage, Phase Imbalance, Phase Loss, Underfrequency, Undervoltage 20 ~ 40VAC, 60VDC 45Hz ~ 66Hz 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
EL731-14-10
AC/DC EARTH-LKGE RELAY
Littelfuse Inc.
3,400 2991.15000 Active Ground Fault, Overtemperature 24VAC, 48VDC 0.03 ~ 5A 0.05 ~ 2s Panel Mount Spring Terminal CT Loop Monitoring, Harmonic Filtering - Details

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