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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-330-28-01
MONITOR NGR 48V DUAL FBR 61850
Littelfuse Inc.
3,224 6124.02000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
SVM-12A-12
1 VOLT RELAY ADJ 11-15VAC -16P 8
R-K Electronics, Inc.
1,102 105.00000 Active Undervoltage 11 ~ 15VAC 1.76 ~ 2.4VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
SVM-48D-20
1 VOLT RELAY ADJ 42-55VDC 10P 8-
R-K Electronics, Inc.
8,051 115.00000 Active Overvoltage, Undervoltage 42 ~ 55VDC 4.2 ~ 5.5VDC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
RISH RELAY I-1-2000-HA
CURRENT PROTECTION RELAY 1-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
MVPL-120A-A1C
1&3 VOLTAGE MONITOR 120VAC 8-PIN
R-K Electronics, Inc.
33 230.00000 Active Multiple 120VAC - 2 ~ 300s Chassis Mount Plug In, 8 Pin (Octal) Manual Reset 0°C ~ 65°C Details
SE-330AU-05-01
MONITOR NGR UNIV DUAL SC FBR
Littelfuse Inc.
3,457 5425.12000 Active Ground Fault 120/240VAC/DC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset - Details
SE-330AU-00-00
NEUTRAL-EARTHING-RESISTOR MONITO
Littelfuse Inc.
1 3693.01000 Active Ground Fault 120 ~ 240VAC/DC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset - Details
3RN20131BW30
THERMISTOR MOTOR PROT. 2CO PROT.
Siemens
7,924 359.83000 Active - - - - - - - - Details
SE-325ESNT
NGR MON 240 VAC EXT RF NL GF 0.1
Littelfuse Inc.
7,662 2159.60000 Active Ground Fault, Overvoltage 240VAC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset -40°C ~ 60°C Details
3RN20231DW30
THERMISTOR MOT. PROT. 1NO 1CO WA
Siemens
7,736 513.89000 Active - - - - - - - - Details
SE-135-XGC-00
MONITOR GRD-FAULT GRD-CHK RELAY
Littelfuse Inc.
4,001 4902.34000 Active Ground Fault 65 ~ 265VAC, 85 ~ 275VDC - 0.1 ~ 2.5s Panel Mount Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C Details
LVM-1-400M-S-5000
AC/DC VOLTAGE MONTR 120VAC, 400M
R-K Electronics, Inc.
5,719 260.00000 Active - 100 ~ 125VAC 0.025 ~ 0.4VAC 0.75s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
SE-325EN
NGR MONITOR 240 VAC NON-LATCHING
Littelfuse Inc.
7,869 1589.99000 Active Ground Fault, Overvoltage 240VAC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset -40°C ~ 60°C Details
AR-3-1-2
CURRENT PROTECTION RELAY 3-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
SE-330AU-28-00
MONITOR NGR 48V DUAL SC FBR
Littelfuse Inc.
5,249 6124.02000 Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset - Details
DPM-120A-MRTU-B
3 VOLT RELAY, 120VAC, 200-600VAC
R-K Electronics, Inc.
7,591 232.00000 Active Multiple 110 ~ 120VAC - 2 ~ 10s Chassis Mount Screw Terminal - -40°C ~ 59°C Details
PRSO-400
PHASE REVERSAL, 440/480VAC, 3 SP
R-K Electronics, Inc.
8,612 265.00000 Active - - - - Chassis Mount Screw Terminal - - Details
600VPR-1-170/290V-CU
3 PHASE-3W 170 TO 290V, PHASE FA
Selec Controls USA Inc.
3,418 34.08000 Active Phase Loss, Phase Sequence, Overvoltage, Undervoltage 170 ~ 290VAC 170 ~ 290VAC 0.2 ~ 10s DIN Rail Screw Terminal - 0°C ~ 50°C Details
777-KW/HP-P2
3-PHASE POWER MONITOR/200-480V
Littelfuse Inc.
8,472 681.87000 Active Multiple 200 ~ 480VAC 200 ~ 480V AC - Chassis Mount Screw Terminal - -20°C ~ 70°C Details
SE-330HV-06-00
NGR MON UNIV E-NET DUAL RJ45 618
Littelfuse Inc.
2,222 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
SE-330AU-28-01
MONITOR NGR 48V DUAL SC FBR
Littelfuse Inc.
6,391 6124.02000 Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset - Details
MPS-CTU-01-00
MPS W/STANDARD COMM CONTROL UNIT
Littelfuse Inc.
7,057 4325.69000 Active Multiple 65 ~ 265VAC, 80 ~ 275VDC - - Panel Mount Screw Terminal - - Details
TVM-200-20-2000
3 VOLT RELAY ADJ 200-250VAC 10P
R-K Electronics, Inc.
3,692 120.00000 Active Overvoltage, Undervoltage 200 ~ 250VAC 20 ~ 25VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
SE-330-03-00
GRND RES RELAY ETHERNET UNIV
Littelfuse Inc.
2 5150.99000 Active Ground Fault 120/240VAC/DC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details

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