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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
MFG_3RN20101CW30
3RN20101CW30
THERMISTOR MOT. PROT. 1NO 1NC BI
Siemens
26
In Stock
1 : 162,57000 €
Bulk
Bulk
ActiveOvertemperature24 ~ 240VAC/DC--DIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
PGR-3100
PGR-3100
GRND FAULT INDICAT SYST LED 30V
Littelfuse Inc.
10
In Stock
35
Factory
1 : 614,07000 €
Bulk
Bulk
ActiveGround Fault600VAC--Panel MountScrew TerminalTest Button-
POWR-GARD Series
SE-701-0U
MONITOR GRND FALT RELAY 120/240V
Littelfuse Inc.
20
In Stock
43
Factory
1 : 918,80000 €
Bulk
Bulk
ActiveGround Fault120/240VAC/DC-0.5 ~ 2.5sChassis Mount, DIN RailScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-40°C ~ 60°C
MFG_SE-105
SE-105
GROUND FAULT MONITOR
Littelfuse Inc.
13
In Stock
83
Factory
1 : 1284,89000 €
Bulk
Bulk
ActiveGround Fault120VAC0.5 ~ 5A0.1 ~ 1sChassis MountScrew TerminalAutomatic Reset, Manual Reset-
SE-134C-00
SE-134C-00
GROUND CONTINUITY MONITOR
Littelfuse Inc.
7
In Stock
13
Factory
1 : 3253,63000 €
Bulk
Bulk
ActiveGround Fault120/240VAC/DC-0.1 ~ 2.5sPanel MountScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-40°C ~ 60°C
SE-330-xx-00
SE-330-00-00
GRND RESISTOR RELAY UNIVERSAL
Littelfuse Inc.
7
In Stock
31
Factory
1 : 3470,11000 €
Bulk
Bulk
ActiveGround Fault120/240VAC/DC20 ~ 10000VAC0.1 ~ 10sPanel MountScrew TerminalHarmonic Filtering, Manual Reset-40°C ~ 60°C
DEA71DM24A003
DEA71DM24A003
EARTH LEAKAGE MONITORING RELAY
Carlo Gavazzi Inc.
7
In Stock
1 : 150,81000 €
Box
Box
ActiveGround Fault24 ~ 240VAC30mA-DIN RailScrew Terminal--25°C ~ 60°C
MFG_3RN20101CA30
3RN20101CA30
THERMISTOR MOT. PROT. 1NO 1NC BI
Siemens
4
In Stock
1 : 153,18000 €
Bulk
Bulk
ActiveOvertemperature24VAC/DC--DIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
3UG46141BR20
3UG4615-1CR20
VOLTAGE MONITORING RELAY
Siemens
14
In Stock
1 : 265,67000 €
Bulk
Bulk
ActivePhase Loss, Phase Sequence, Overvoltage, Undervoltage160 ~ 690VAC160 ~ 690VAC0.1 ~ 20sDIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
3RN20121BW30
3RN20121BW30
THERMISTOR MOTOR PROT. 2CO REMOT
Siemens
5
In Stock
1 : 268,47000 €
Bulk
Bulk
ActiveOvertemperature24 ~ 240VAC/DC--DIN RailScrew TerminalManual Reset-25°C ~ 60°C
3UG46141BR20
3UG4617-1CR20
VOLTAGE MONITORING RELAY
Siemens
2
In Stock
1 : 305,76000 €
Bulk
Bulk
ActivePhase Loss, Phase Sequence, Overvoltage, Undervoltage160 ~ 690VAC160 ~ 690VAC0.1 ~ 20sDIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
777-LR-P2
777-LR-P2
3-PHASE OVERLOAD RELAY/200-480
Littelfuse Inc.
2
In Stock
20
Factory
1 : 632,10000 €
Bulk
Bulk
Active-200 ~ 480VAC200 ~ 480V AC-Chassis Mount---20°C ~ 70°C
777-LR-KW/HP-P2
777-LR-KW/HP-P2
3-PHASE POWER MONITOR/200-480V
Littelfuse Inc.
8
In Stock
23
Factory
1 : 682,88000 €
Bulk
Bulk
ActiveMultiple200 ~ 480VAC1 ~ 800A, 170 ~ 528VAC0 ~ 999sDIN RailScrew Terminal--20°C ~ 70°C
SE-601-0T
SE-601-0U
DC GRND FAULT RELAY 55-75 VDC SU
Littelfuse Inc.
3
In Stock
31
Factory
1 : 1171,04000 €
Bulk
Bulk
ActiveGround Fault, Overcurrent120 ~ 240VAC/DC1 ~ 20mA0.05 ~ 2.5sChassis Mount, DIN RailScrew TerminalManual Reset, Test Button-40°C ~ 60°C
POWR-GARD Series
PGR-4700-24
SENS GRND FAULT RELAY 24VDC SUP
Littelfuse Inc.
17
In Stock
1 : 1355,47000 €
Bulk
Bulk
ActiveGround Fault24VDC0.01 ~ 3A0 ~ 1.5sDIN RailScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-
PGR-8800-00
PGR-8800-00
ARC-FLASH RELAY NO COMM. UL&C-TI
Littelfuse Inc.
2
In Stock
1 : 3802,13000 €
Bulk
Bulk
ActiveArc-Flash, Overcurrent100 ~ 240VAC, 110 ~ 250VAC, 14 ~ 48VDC9 ~ 25 klux0 ~ 20sChassis Mount, DIN RailScrew Terminal--40°C ~ 70°C
SE-134-SMA
SE-134C-10
GFGC MONITOR LOW VOLTAGE
Littelfuse Inc.
3
In Stock
1 : 3825,35000 €
Bulk
Bulk
ActiveGround Fault24 ~ 48VDC-0.1 ~ 2.5sPanel MountScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-40°C ~ 60°C
MFG_3RN20112BA30
3RN20112BA30
THERMISTOR MOTOR PROT. 2 CO MANU
Siemens
5
In Stock
1 : 191,90000 €
Bulk
Bulk
ActiveOvertemperature24VAC/DC--DIN RailSpring TerminalManual Reset-25°C ~ 60°C
MFG_3RN20111BA30
3RN20111BA30
THERMISTOR MOTOR PROT. 2 CO MANU
Siemens
2
In Stock
1 : 191,90000 €
Bulk
Bulk
ActiveOvertemperature24VAC/DC--DIN RailScrew TerminalManual Reset-25°C ~ 60°C
3UG46141BR20
3UG4618-1CR20
AUT. CORRECTION OF PHASE SEQU.
Siemens
5
In Stock
1 : 320,67000 €
Bulk
Bulk
ActivePhase Loss, Phase Sequence, Overvoltage, Undervoltage90 ~ 400VAC90 ~ 400VAC0.1 ~ 20sDIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
SE-K4N
SE-K4N
MOTOR PROTECTIVE RELAY
Omron Automation and Safety
2
In Stock
1 : 342,93000 €
Bulk
Bulk
ActiveOvercurrent, Phase Loss, Phase Sequence380/400/440VAC1 ~ 160A1 ~ 40sPanel MountScrew TerminalManual Reset, Test Button-10°C ~ 60°C
K2CM-1LS
K2CM-1LS
RELAY MOTOR PROTECTIVE 2-8A
Omron Automation and Safety
3
In Stock
1 : 361,61000 €
Bulk
Bulk
ActiveOvercurrent, Phase Loss, Phase Sequence100/110/120VAC2 ~ 8A2 ~ 40sChassis MountScrew TerminalManual Reset, Test Button-10°C ~ 60°C
77C
77C
1-PHASE OVERLOAD RELAY/ 100-24
Littelfuse Inc.
5
In Stock
1 : 373,65000 €
Bulk
Bulk
Active-100 ~ 240VAC100 ~ 240V AC-Chassis Mount---20°C ~ 70°C
S8M-CP04-RS
S8M-CP04-RS
PWR MULTICIRCUIT PROTECT RS-232
Omron Automation and Safety
2
In Stock
1
Factory
1 : 520,90000 €
Bulk
Bulk
ActiveOvercurrent, Overtemperature, Overvoltage, Undervoltage24VDC0.5mA ~ 3.8A, 18.0 ~ 28.8VDC-DIN RailScrew Terminal--10°C ~ 60°C
MP8000
MP8000
MOTOR OVERLOAD PROTECTION 8000
Littelfuse Inc.
5
In Stock
1 : 671,32000 €
Bulk
Bulk
Active-90 ~ 690VAC0.5 ~ 1000A-Chassis MountScrew TerminalAutomatic Reset, Manual Reset-40°C ~ 70°C
Showing
of 939

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.