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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-330-23-01
NGR MONITOR NC 48-VDC ETHERNET
Littelfuse Inc.
1,244 5324.46000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
AR-1-2-2
CURRENT PROTECTION RELAY 1-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
LVM-2-4.5V-S
AC/DC VOLTAGE MONTR 240VAC, ADJ
R-K Electronics, Inc.
5,112 260.00000 Active - 200 ~ 250VAC 0.25 ~ 4.5VAC 0.75s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
RISH RELAY I-3-2001-LA
CURRENT PROTECTION RELAY 3-PHASE
Rishabh Instruments
10 35.00000 Active Overcurrent, Overload, Undercurrent, Underload 20 ~ 40VAC, 60VDC - 0 ~ 30s DIN Rail Screw Terminal Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button -10°C ~ 55°C Details
TVM-200-10-0002
3 VOLT RELAY ADJ 200-250VAC -10P
R-K Electronics, Inc.
1,087 120.00000 Active Undervoltage 200 ~ 250VAC 20 ~ 25VAC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
RISH RELAY V-1-3002-HA
VOLTAGE PROTECTION RELAY 1-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
PRSL-300
PHASE REVERSAL 380/415VAC, 3 DPD
R-K Electronics, Inc.
6,844 245.00000 Active - - - - Chassis Mount Screw Terminal - - Details
STRP-120A-B
SEAL & TEMPSTAT RELAY, 120VAC, P
R-K Electronics, Inc.
7 200.00000 Active - 120VAC - - Chassis Mount Screw Terminal - -40°C ~ 60°C Details
PRRO-600
PHASE LOSS/REVERSAL,575/600VAC 3
R-K Electronics, Inc.
5,336 270.00000 Active Phase Loss 575 ~ 600VAC - 5s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
SE-325DT
NGR MON 120V GF TIME 0.1 TO 5 S
Littelfuse Inc.
3,086 2116.20000 Active Ground Fault, Overvoltage 120VAC/DC 0.5 ~ 4A 0.1 ~ 2s Chassis Mount Screw Terminal Manual Reset -40°C ~ 60°C Details
PGR-4700-24
SENS GRND FAULT RELAY 24VDC SUP
Littelfuse Inc.
2,029 1393.57000 Active Ground Fault 24VDC 0.01 ~ 3A 0 ~ 1.5s DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button - Details
3RN20112BW30
THERMISTOR MOTOR PROT. 2 CO MANU
Siemens
8,867 202.15000 Active - - - - - - - - Details
AR-3-2-1
CURRENT PROTECTION RELAY 3-PHASE
Rishabh Instruments
10 24.00000 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-330HV-21-01
NGR MONITOR HV LVPS DEVICENET NC
Littelfuse Inc.
5,991 5376.65000 Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C Details
CLR-120A-1051
UNDER FREQ, 120VAC ADJ 5-50PPS,
R-K Electronics, Inc.
7,054 170.00000 Active Underspeed 100 ~ 125VAC 5 ~ 50PPS 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
CSRA-115A-2-20-MR
AC CURRENT, 115A, ADJ, 4-20A, MA
R-K Electronics, Inc.
3,600 280.00000 Active Overcurrent, Undercurrent 115VAC 4 ~ 20A 0.2 ~ 20s Chassis Mount Screw Terminal Manual Reset 0°C ~ 55°C Details
PRR-200
PHASE LOSS/REVERSAL 208/240VAC 3
R-K Electronics, Inc.
9,880 200.00000 Active Phase Loss 200 ~ 240VAC - 5s Chassis Mount Screw Terminal - 0°C ~ 40°C Details
GFD-200
THREE PHASE GROUND FAULT DISPLAY
Mueller Electric Co
4 230.98000 Active Ground Fault 208 ~ 600VAC - - Panel Mount Wire Leads - 0°C ~ 55°C Details
SE-330HV-01-01
NGR MONITOR HV DEVICENET NC K4
Littelfuse Inc.
9,468 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-701-0T-CC
SE-701-0T WITH CONFORMAL COATING
Littelfuse Inc.
7,554 1518.88000 Active Ground Fault 48VDC - 0.05 ~ 2.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C Details
SVM-24D-20
1 VOLT RELAY, ADJ 22-27VDC, 10P,
R-K Electronics, Inc.
8,777 115.00000 Active Overvoltage, Undervoltage 22 ~ 27VDC 2.2 ~ 2.7VDC 0.5s Socketable Plug In, 8 Pin (Octal) - 0°C ~ 40°C Details
PLRO-300-60
PHASE LOSS/REVERSAL 380/415VAC 3
R-K Electronics, Inc.
4,143 270.00000 Active Phase Loss - - - Chassis Mount Screw Terminal - - Details
PLRO-100
PHASE LOSS/REVERSAL,100/120VAC 3
R-K Electronics, Inc.
4,429 270.00000 Active Phase Loss - - - Chassis Mount Screw Terminal - - Details
SE-601-0D
DC GROUND FAULT RELAY 9-36 VDC
Littelfuse Inc.
9 1485.25000 Active Ground Fault, Overcurrent 12/24VDC 0.1 ~ 0.2A 0.5 ~ 2.5s Chassis Mount, DIN Rail Screw Terminal Manual Reset, Test Button -40°C ~ 60°C Details

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