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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
RISH ELR VI-4031-HA-TS35
DIG EARTH LEAKAGE RELAY DIN RAIL
Rishabh Instruments
10 46.00000 Active Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage 60 ~ 300VAC/DC 30mA ~ 30A 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
ZVR-240A-AAB
MV RELAY 240VAC ADJ 35-430MV 1NO
R-K Electronics, Inc.
2,232 510.00000 Active Overvoltage 208 ~ 240VAC 38 ~ 380VAC 0.5 ~ 40s Chassis Mount, DIN Rail Screw Terminal - 0°C ~ 65°C Details
SE-105DL
GF-GC MON 120VAC/VCD LATCHING GC
Littelfuse Inc.
1 1900.91000 Active Ground Fault 120VAC/DC 0.5 ~ 4A 0.1 ~ 1s Chassis Mount Screw Terminal Automatic Reset, Manual Reset -40°C ~ 60°C Details
TVM-300-20
3 VOLT RELAY ADJ 350-420VAC 10P
R-K Electronics, Inc.
6,820 120.00000 Active Overvoltage, Undervoltage 350 ~ 420VAC 35 ~ 42VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
CSRA-24A-2-30-AR
AC CURRENT, 24A, ADJ, 6-30A, AUT
R-K Electronics, Inc.
6,069 260.00000 Active Overcurrent, Undercurrent 24VAC 6 ~ 30A 0.2 ~ 20s Chassis Mount Screw Terminal Automatic Reset 0°C ~ 55°C Details
TVM-400-20-0002
3 VOLT RELAY ADJ 410-490VAC 10P
R-K Electronics, Inc.
6 130.00000 Active Overvoltage, Undervoltage 410 ~ 490VAC 41 ~ 49VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
ZVR-240A-A1C
MV RELAY 240VAC ADJ 35-430MV SPD
R-K Electronics, Inc.
3,446 480.00000 Active Overvoltage 208 ~ 240VAC 38 ~ 380VAC 0.5 ~ 40s Chassis Mount, DIN Rail Screw Terminal - 0°C ~ 65°C Details
SE-330-24-01
MONITOR NGR 48VDC SC FBR/RJ45
Littelfuse Inc.
2,664 5718.87000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
SE-330-25-00
MONITOR NGR 48VDC DUAL SC FBR
Littelfuse Inc.
2,690 5718.87000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
CLR-120A-2001
CONTROL LOGIC RELAY 0-10 VOLTS
R-K Electronics, Inc.
8,396 170.00000 Active Underspeed 100 ~ 125VAC - 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
CLR-120A-1052
OV FREQ, 120VAC ADJ 5-50PPS, 8-P
R-K Electronics, Inc.
5,503 170.00000 Active Overspeed 100 ~ 125VAC 5 ~ 50PPS 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
LVMR-1-400M-S
AC/DC VOLTAGE MNTR 120VAC 400MV
R-K Electronics, Inc.
9,681 260.00000 Active - 100 ~ 125VAC 0.025 ~ 0.4VAC 0.75s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
3RN20122BW31
THERMISTOR MOTOR PROT. 2 CO BIST
Siemens
3,499 466.33000 Active - - - - - - - - Details
EL731-21-00
AC/DC EARTH-LKGE RELAY
Littelfuse Inc.
1,317 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
777-LR-KW/HP-P2
3-PHASE POWER MONITOR/200-480V
Littelfuse Inc.
4,716 681.87000 Active Multiple 200 ~ 480VAC 1 ~ 800A, 170 ~ 528VAC 0 ~ 999s DIN Rail Screw Terminal - -20°C ~ 70°C Details
SE-330-26-01
MONITOR NGR 48V DUAL RJ45 61850
Littelfuse Inc.
5,322 6124.02000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
SE-330HV-08-01
NGR MON UNIV DUAL SC FIBER 61850
Littelfuse Inc.
4,333 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-23-00
NEUTRAL-EARTHING-RES MON 48VDC E
Littelfuse Inc.
2,835 5701.67000 Active Ground Fault 120 ~ 240VAC/DC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
PGR-6100-120
MOTOR GROUND FAULT & INSUL RELAY
Littelfuse Inc.
5,305 2040.24000 Active Ground Fault 120VAC 10mA ~ 3A 0.05 ~ 1s Chassis Mount, DIN Rail Screw Terminal Harmonic Filtering, Manual Reset, Test Button - Details
MVPL-24A-A1C
1&3 VOLTAGE MONITOR 24AC 8-PIN
R-K Electronics, Inc.
24 230.00000 Active Multiple 24VAC - 2 ~ 300s Chassis Mount Plug In, 8 Pin (Octal) Manual Reset 0°C ~ 65°C Details
ZVS-120A-A1C
MV RELAY 120VAC, ADJ 35-430MV SP
R-K Electronics, Inc.
5 480.00000 Active Overvoltage 100 ~ 120VAC 38 ~ 380VAC 0.5 ~ 40s Chassis Mount Screw Terminal - 0°C ~ 65°C Details
SE-325ST
NGR MON EXTENDED RF TIME GF 0.1-
Littelfuse Inc.
5,234 1874.77000 Active Ground Fault, Overvoltage 120VAC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset -40°C ~ 60°C Details
DPM-12D-T
3 VOLT RELAY, 12VDC, 200-600VAC,
R-K Electronics, Inc.
4,816 145.00000 Active Multiple 12VDC - 2 ~ 10s Chassis Mount Quick Connect - 0.187"/0.250" - -40°C ~ 65°C Details
TVM-400-10
3 VOLT RELAY ADJ 410-490VAC -10P
R-K Electronics, Inc.
7,558 130.00000 Active Undervoltage 410 ~ 490VAC 41 ~ 49VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details

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