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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
EL731-03-00
AC/DC EARTH-LKGE RELAY
Littelfuse Inc.
5,081 2204.52000 Active Ground Fault, Overtemperature 120 ~ 240VAC/DC 0.03 ~ 5A 0.05 ~ 2s Panel Mount Screw Terminal CT Loop Monitoring, Harmonic Filtering -40°C ~ 60°C Details
WD2759-003
WD2759-003=OVER/UNDERVOLTAGE R
TE Connectivity Aerospace, Defense and Marine
2 1182.67000 Active Overvoltage, Undervoltage 100 ~ 140VAC, 100 ~ 200VDC 72 ~ 672VAC 0.5 ~ 10s Chassis Mount, DIN Rail Screw Terminal - -40°C ~ 60°C Details
SE-135-XGC-10
MONITOR GF-GC DC SUPPLY EXT-GC
Littelfuse Inc.
1,989 5882.83000 Active Ground Fault 18 ~ 72VDC - 0.1 ~ 2.5s Panel Mount Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C Details
RISH RELAY I-3-2001-HA
CURRENT PROTECTION RELAY 3-PHASE
Rishabh Instruments
10 35.00000 Active Overcurrent, Overload, Undercurrent, Underload 60 ~ 300VAC/DC - 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button -10°C ~ 55°C Details
LVMR-1-75M-L
AC/DC VOLTAGE 1.5S 120VAC ADJ 75
R-K Electronics, Inc.
5,058 260.00000 Active - 100 ~ 125VAC 0.005 ~ 75VAC 1.5s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
RISH RELAY V/HZ-3-1001-LA
LINE MONITORING RELAY 3-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
RISH RELAY V-3-3001-HA
VOLTAGE PROTECTION RELAY 3-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
TVM-200-20-2002
3 VOLT RELAY ADJ 200-250VAC 10P
R-K Electronics, Inc.
4,935 120.00000 Active Overvoltage, Undervoltage 200 ~ 250VAC 20 ~ 25VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
PRRL-200
PHASE LOSS/REVERSAL,208/240VAC 3
R-K Electronics, Inc.
4,709 275.00000 Active Phase Loss 200 ~ 240VAC - 5s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
PRSL-400
PHASE REVERSAL, 440/480VAC, 3 DP
R-K Electronics, Inc.
3,611 255.00000 Active - - - - Chassis Mount Screw Terminal - - Details
SE-330HV-07-01
NGR MON UNIV SC FIBER RJ45 61850
Littelfuse Inc.
9,048 5481.40000 Active Ground Fault 120 ~ 240VAC/DC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
MPU-32-04-00
MPR W/TIA-232/ETHERNET
Littelfuse Inc.
9,478 4119.39000 Active Multiple 65 ~ 265VAC, 80 ~ 275VDC - - Panel Mount Screw Terminal - -40°C ~ 60°C Details
SE-325ET
NGR MON 240 VAC GF TIME 0.1-5S
Littelfuse Inc.
8,964 1589.99000 Active Ground Fault, Overvoltage 240VAC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset -40°C ~ 60°C Details
SE-325ES
NGR MON 240 VAC EXTENDED RF TRIP
Littelfuse Inc.
6,026 1589.99000 Active Ground Fault, Overvoltage 240VAC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset -40°C ~ 60°C Details
CLR-240A-2001
CONTROL LOGIC RELAY, 240VAC
R-K Electronics, Inc.
6,435 170.00000 Active Underspeed 200 ~ 240VAC - 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
VR-3-H-1
VOLTAGE PROTECTION RELAY 3-PHASE
Rishabh Instruments
10 16.00000 Active Ground Fault, Overvoltage, Phase Imbalance, Phase Loss, Phase Sequence, Undervoltage 415 ~ 480VAC 311.25 ~ 600VAC 0 ~ 10s DIN Rail Screw Terminal - -10°C ~ 55°C Details
CLR-24D-5001
CONTROL LOGIC RELAY, 24VDC
R-K Electronics, Inc.
9,798 170.00000 Active Underspeed 20 ~ 24VDC - 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
SE-330-07-00
NGR MON UNIV SC FIBER RJ45 61850
Littelfuse Inc.
7,248 5830.27000 Active Ground Fault 120/240VAC/DC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
SE-701-0D-CC
SE-701-0D WITH CONFORMAL COATING
Littelfuse Inc.
5,922 1287.76000 Active Ground Fault 12 ~ 24VDC - 0.05 ~ 2.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C Details
PVCL-600-AR
3 VOLTAGE MONITOR,575/600VAC 3 D
R-K Electronics, Inc.
8,148 250.00000 Active Overvoltage, Undervoltage 575 ~ 600VAC - 5s Chassis Mount Screw Terminal Automatic Reset -20°C ~ 40°C Details
SE-325DSN
NGR MON 120VAC/VDC NON-LATCH
Littelfuse Inc.
2,471 2400.98000 Active Ground Fault, Overvoltage 120VAC/DC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset -40°C ~ 60°C Details
PRRO-400
PHASE LOSS/REVERSAL,440/480VAC 3
R-K Electronics, Inc.
21 270.00000 Active Phase Loss 440 ~ 480VAC - 5s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
SVM-12D-11
1 VOLT RELAY ADJ 11-15VAC -10P 8
R-K Electronics, Inc.
9,891 105.00000 Active Undervoltage 11 ~ 15VDC 1.43 ~ 1.95VDC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
TVM-100-20-0002
3 VOLT RELAY ADJ 100-130VAC 10P
R-K Electronics, Inc.
9,469 120.00000 Active Overvoltage, Undervoltage 100 ~ 130VAC 10 ~ 13VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details

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