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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
PCPU
THREE-PHASE MONITORING RELAY
Macromatic Industrial Controls
5 75.94000 Active Phase Sequence 190 ~ 500VAC - - Socketable Plug In, 8 Pin (Octal) Automatic Reset -28°C ~ 65°C Details
SE-325
NGR MONITOR 120VAC SUPPLY
Littelfuse Inc.
2 1399.82000 Active Ground Fault 120VAC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset - Details
MPS-CTU-02-00
MPS W/DEVICENET CONTROL UNIT
Littelfuse Inc.
3,543 5361.38000 Active Multiple 65 ~ 265VAC, 80 ~ 275VDC - - Panel Mount Screw Terminal - - Details
EL731-22-00
AC/DC EARTH-LKGE RELAY
Littelfuse Inc.
2,073 2301.64000 Active Ground Fault, Overtemperature 24VDC 0.03 ~ 5A 0.05 ~ 2s Panel Mount Screw Terminal CT Loop Monitoring, Harmonic Filtering -40°C ~ 60°C Details
RISH RELAY V-1-3000-LA
VOLTAGE PROTECTION RELAY 1-PHASE
Rishabh Instruments
10 32.00000 Active Overvoltage, Phase Imbalance, Phase Loss, Undervoltage 20 ~ 40VAC, 60VDC - 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
PRSL-200-1.5
PHASE REVERSAL,208/240VAC 3 DPDT
R-K Electronics, Inc.
5 280.00000 Active - - - - Chassis Mount Screw Terminal - - Details
SE-330AU-25-01
MONITOR NGR 48V DUAL SC FBR K4
Littelfuse Inc.
8,142 5718.87000 Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset - Details
PAP480
THREE-PHASE MONITORING RELAY
Macromatic Industrial Controls
5 88.25000 Active Phase Loss, Phase Sequence, UnderVoltage 480VAC 360 ~ 460VAC - Socketable Plug In, 8 Pin (Octal) Automatic Reset -28°C ~ 65°C Details
LVM-1-26V-S
AC/DC VOLTAGE MONTR, 120VAC, ADJ
R-K Electronics, Inc.
9,642 260.00000 Active - 100 ~ 125VAC 1.4 ~ 26VAC 0.75s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
PVCO-400-AR
3 VOLTAGE MON, 440/480VAC 3, SPD
R-K Electronics, Inc.
6 250.00000 Active Overvoltage, Undervoltage 440 ~ 480VAC - 5s Chassis Mount Screw Terminal Automatic Reset -20°C ~ 40°C Details
777-575-KW/HP-P2
3-PHASE POWER MONITOR/500-600V
Littelfuse Inc.
10 681.87000 Active Multiple 500 ~ 600VAC 2 ~ 800A, 450 ~ 660VAC 0 ~ 999s Chassis Mount Screw Terminal - -20°C ~ 70°C Details
CLR-24V-1152
OVER FREQ, 24V ADJ 15-150PPS, 8-
R-K Electronics, Inc.
4,259 170.00000 Active Overspeed 20 ~ 24VAC 15 ~ 150PPS 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
SE-330-23-00
GRND RES RELAY ETHERNET-DC SUP
Littelfuse Inc.
2,252 5324.46000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
3RN20232DW30
THERMISTOR MOT. PROT. 1NO 1CO WA
Siemens
1,506 513.89000 Active - - - - - - - - Details
TVM-400-21-2000
3 VOLT RELAY ADJ 410-490VAC 13P
R-K Electronics, Inc.
3,288 130.00000 Active Overvoltage, Undervoltage 410 ~ 490VAC 53.3 ~ 63.7VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
ZVS-120A-S1C-00002
MV RELAY 120VAC, ADJ 35-430MV,
R-K Electronics, Inc.
9,030 480.00000 Active Overvoltage 100 ~ 120VAC 38 ~ 380VAC - Chassis Mount Screw Terminal - 0°C ~ 65°C Details
TVM-600-22-2000
3 VOLT RELAY ADJ 520-690VAC 16P
R-K Electronics, Inc.
2,237 130.00000 Active Overvoltage, Undervoltage 520 ~ 600VAC 83.2 ~ 96VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
RISH ELR VI-4021-LA-TS35
DIG EARTH LEAKAGE RELAY DIN RAIL
Rishabh Instruments
10 46.00000 Active Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage 20 ~ 40VAC, 60VDC 30mA ~ 30A 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
PRR-400
PHASE LOSS/REVERSAL 440/480VAC 3
R-K Electronics, Inc.
8,337 230.00000 Active Phase Loss 440 ~ 480VAC - 5s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
TVM-400-10-9000
3 VOLT RELAY ADJ 410-490VAC -10P
R-K Electronics, Inc.
6,127 130.00000 Active Undervoltage 410 ~ 490VAC 41 ~ 49VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
SE-330AU-08-01
MONITOR NGR UNIV DUAL SC FBR
Littelfuse Inc.
1,086 5830.27000 Active Ground Fault 120/240VAC/DC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset - Details
SVM-380A-10
1 VOLT RELAY ADJ 350-420VAC -10P
R-K Electronics, Inc.
1,656 115.00000 Active Undervoltage 350 ~ 420VAC 35 ~ 42VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
EL731-21-10
AC/DC EARTH-LKGE RELAY
Littelfuse Inc.
8,229 3068.85000 Active Ground Fault, Overtemperature 24VDC 0.03 ~ 5A 0.05 ~ 2s Panel Mount Spring Terminal CT Loop Monitoring, Harmonic Filtering - Details
RISH ELR VI-4031-LA-96
EARTH LEAKAGE RELAY PANEL 96X96
Rishabh Instruments
10 46.00000 Active Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage 20 ~ 40VAC, 60VDC 30mA ~ 30A 0 ~ 30s Panel Mount Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details

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