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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-701-0U
MONITOR GRND FALT RELAY 120/240V
Littelfuse Inc.
23 926.10000 Active Ground Fault 120/240VAC/DC - 0.5 ~ 2.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C Details
SE-330HV-23-00
NGR MONITOR HV LVPS ETHERNET
Littelfuse Inc.
7,673 5376.65000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
PMDU
THREE-PHASE MONITORING RELAY
Macromatic Industrial Controls
5 160.58000 Active Phase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage 190 ~ 500VAC - - DIN Rail Screw Terminal Manual Reset -28°C ~ 65°C Details
CLR-24V-1002
OVER FREQ, 24V ADJ 0.7-7PPS, 8-P
R-K Electronics, Inc.
4,122 170.00000 Active Overspeed 20 ~ 24VAC 0.7 ~ 7PPS 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
MPU-32-02-01
MPR W/TIA-232/DEVICENET
Littelfuse Inc.
3,568 4081.11000 Active Multiple 65 ~ 265VAC, 80 ~ 275VDC - - Panel Mount Screw Terminal - -40°C ~ 60°C Details
STR-12D-B
SEAL & TEMPSTAT RELAY, 12VDC, TB
R-K Electronics, Inc.
5,766 180.00000 Active - 12VDC - - Chassis Mount Screw Terminal - -40°C ~ 65°C Details
T2200.0030
OVERCURRENT RELAY
Littelfuse Inc.
1 695.52000 Active Overcurrent 230VAC - 3 ~ 30s Chassis Mount Screw Terminal Automatic Reset -20°C ~ 70°C Details
LVM-1-4.5V-S
AC/DC VOLTAGE MONTR, 120VAC, ADJ
R-K Electronics, Inc.
9,451 260.00000 Active - 100 ~ 125VAC 0.25 ~ 4.5VAC 0.75s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
DPM-24D-MRTU-B
3 VOLT RELAY, 24VDC, 200-600VAC,
R-K Electronics, Inc.
9,153 236.00000 Active Multiple 24VDC - 2 ~ 10s Chassis Mount Screw Terminal - -40°C ~ 59°C Details
DPM-24A-B
3 VOLT RELAY, 24VAC, 200-600VAC,
R-K Electronics, Inc.
32 160.00000 Active Multiple 24VAC - 2 ~ 10s Chassis Mount Screw Terminal - -40°C ~ 59°C Details
PRR-600
PHASE LOSS/REVERSAL 575/600VAC 3
R-K Electronics, Inc.
4,830 230.00000 Active Phase Loss 575 ~ 600VAC - 5s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
AR-3-1-1
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
RISH ELR-4001-LA-TS35
DIG EARTH LEAKAGE RELAY DIN RAIL
Rishabh Instruments
10 35.00000 Active Ground Fault 20 ~ 40VAC, 60VDC 30mA ~ 30A 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
SE-330AU-06-01
MONITOR NGR UNIV DUAL RJ45 61850
Littelfuse Inc.
4,053 5830.27000 Active Ground Fault 120/240VAC/DC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset - Details
MP8000
MOTOR OVERLOAD PROTECTION 8000
Littelfuse Inc.
4,607 690.19000 Active - 90 ~ 690VAC 0.5 ~ 1000A - Chassis Mount Screw Terminal Automatic Reset, Manual Reset -40°C ~ 70°C Details
PLRO-600
PHASE LOSS/REVERSAL,575/600VAC 3
R-K Electronics, Inc.
3,473 280.00000 Active Phase Loss - - - Chassis Mount Screw Terminal - - Details
EL731-02-00
AC/DC EARTH-LKGE RELAY 75-275V
Littelfuse Inc.
5,914 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
RISH RELAY V/HZ-3-1001-HA
LINE MONITORING RELAY 3-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
DPD02DM44B
3PH MONITORING RELAY 240V
Carlo Gavazzi Inc.
4 319.00000 Active Multiple 120 ~ 277VAC 102 ~ 318V AC 0 ~ 60s DIN Rail Screw Terminal - -20°C ~ 60°C Details
RISH ELR-4002-HA-96
EARTH LEAKAGE RELAY PANEL 96X96
Rishabh Instruments
10 35.00000 Active Ground Fault 60 ~ 300VAC/DC 30mA ~ 30A 0 ~ 30s Panel Mount Screw Terminal Automatic Reset, Manual Reset, Test Button -10°C ~ 55°C Details
MVPL-240A-A1C
1&3 VOLTAGE MONITOR 240VAC 8-PIN
R-K Electronics, Inc.
1,433 230.00000 Active Multiple 240VAC - 2 ~ 300s Chassis Mount Plug In, 8 Pin (Octal) Manual Reset 0°C ~ 65°C Details
STR-120A-B
SEAL & TEMPSTAT RELAY, 120VAC, T
R-K Electronics, Inc.
12 175.00000 Active - 120VAC - - Chassis Mount Screw Terminal - -40°C ~ 65°C Details
SE-107
GROUND-FAULT GROUND-CHECK MON
Littelfuse Inc.
3 1295.83000 Active Ground Fault 120VAC 0.5 ~ 5A 0.1 ~ 1s Chassis Mount Screw Terminal Automatic Reset, Manual Reset - Details
DPM-120A-B
PHASE MONITOR 200-600V, 120VAC,
R-K Electronics, Inc.
18 160.00000 Active Multiple 110 ~ 120VAC - 2 ~ 10s Chassis Mount Screw Terminal - -40°C ~ 59°C Details

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