Protection Relays & Systems

Results: 1,161
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Mfr Part #
Quantity Available
Price
Series
Package
Product Status
Function
Voltage - Supply
Trip Range
Delay Time
Mounting Type
Termination Style
Features
Operating Temperature
900VPR-2-300/600V-CU-ROHS
3 PHASE-3W 300 TO 600V, PHASE FA
Selec Controls USA Inc.
78
In Stock
1 : €66.71000
Box
Box
Active
Multiple
280 ~ 600VAC
-
0 ~ 99.9s
DIN Rail
Screw Terminal
-
-
POWR-GARD Series
MONITOR GRND FALT RELAY 120/240V
Littelfuse Inc.
61
In Stock
1 : €1,074.91000
Bulk
Bulk
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
900ELR-2-230V-CE
DIGITAL EARTH LEAKAGE RELAY, LEA
Selec Controls USA Inc.
28
In Stock
1 : €59.71000
Box
Box
Active
Ground Fault
230VAC
30mA ~ 30A
0 ~ 99.9s
DIN Rail
Screw Terminal
Automatic Reset, Manual Reset
0°C ~ 50°C
900VPR-BL-U-CE
3-3W, 3-4W, UNDER / OVER VOLTAGE
Selec Controls USA Inc.
26
In Stock
1 : €64.13000
Box
Box
Active
Multiple
85 ~ 270VAC/DC
50 ~ 500VAC, 45Hz ~ 65Hz
0 ~ 300s
DIN Rail
Screw Terminal
Automatic Reset, Manual Reset
-25°C ~ 55°C
ELR-341-1
PANEL MOUNT ELR, LEAKAGE CURRENT
Selec Controls USA Inc.
29
In Stock
1 : €45.73000
Box
Box
Active
Ground Fault
90 ~ 270VAC/DC
30mA ~ 30A
0 ~ 999s
Panel Mount
Screw Terminal
Automatic Reset, Manual Reset
0°C ~ 55°C
CSR-1-100-5.0-4.5
AC CURRENT, GO NO-GO 5 AMP PICK-
R-K Electronics, Inc.
46
Marketplace
1 : €118.17000
Box
-
Box
Active
-
-
4.5 ~ 5A
0.1s
Chassis Mount
Wire Leads
Manual Reset
0°C ~ 55°C
DPM-120A-B
3 VOLT RELAY, 240VAC, 200-600VAC
R-K Electronics, Inc.
27
Marketplace
1 : €135.06000
Box
-
Box
Active
Multiple
208 ~ 240VAC
-
2 ~ 10s
Chassis Mount
Screw Terminal
-
-40°C ~ 59°C
MVPL-120A-A1C
1&3 VOLTAGE MONITOR 120VAC 8-PIN
R-K Electronics, Inc.
28
Marketplace
1 : €227.91000
Bulk
-
Bulk
Active
Multiple
120VAC
-
2 ~ 300s
Chassis Mount
Plug In, 8 Pin (Octal)
Manual Reset
0°C ~ 65°C
PVC-100-AR
3 VOLTAGE MONITOR,440/480VAC 3,
R-K Electronics, Inc.
34
Marketplace
1 : €236.35000
Box
-
Box
Active
Overvoltage, Undervoltage
440 ~ 480VAC
-
5s
Chassis Mount
Screw Terminal
Automatic Reset
-20°C ~ 40°C
0
In Stock
Active
-
Bulk
Active
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-
-
-
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-
0
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0
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Active
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3RN20121BW30
THERMISTOR MOTOR PROT. 2CO REMOT
Siemens
7
In Stock
1 : €309.30000
Bulk
Bulk
Active
Overtemperature
24 ~ 240VAC/DC
-
-
DIN Rail
Screw Terminal
Manual Reset
-25°C ~ 60°C
3UG46141BR20
VOLTAGE MONITORING RELAY
Siemens
20
In Stock
1 : €380.82000
Bulk
Bulk
Active
Phase Loss, Phase Sequence, Overvoltage, Undervoltage
160 ~ 690VAC
160 ~ 690VAC
0.1 ~ 20s
DIN Rail
Screw Terminal
Automatic Reset
-25°C ~ 60°C
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Protection Relays & Systems


Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.