Protection Relays & Systems
1363 Items
PDF Mfr Part # RFQ Series Packaging Product StatusFunctionVoltage - SupplyTrip RangeDelay TimeMounting TypeTermination StyleFeaturesOperating Temperature
PMDU
PMDU
THREE-PHASE MONITORING RELAY
Macromatic Industrial Controls
PMD Box ActivePhase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage190 ~ 500VAC--DIN RailScrew TerminalManual Reset-28°C ~ 65°C
3RN20101CA30
3RN20101CA30
THERMISTOR MOT. PROT. 1NO 1NC BI
Siemens
SIRIUS 3RN2 Bulk ActiveOvertemperature24VAC/DC--DIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
PMD575
PMD575
THREE-PHASE MONITORING RELAY
Macromatic Industrial Controls
PMD Box ActivePhase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage460 ~ 600VAC--DIN RailScrew TerminalManual Reset-28°C ~ 65°C
3RN20111BA30
3RN20111BA30
THERMISTOR MOTOR PROT. 2 CO MANU
Siemens
SIRIUS 3RN2 Bulk ActiveOvertemperature24VAC/DC--DIN RailScrew TerminalManual Reset-25°C ~ 60°C
3RN20112BA30
3RN20112BA30
THERMISTOR MOTOR PROT. 2 CO MANU
Siemens
SIRIUS 3RN2 Bulk ActiveOvertemperature24VAC/DC--DIN RailSpring TerminalManual Reset-25°C ~ 60°C
GFD-200
GFD-200
THREE PHASE GROUND FAULT DISPLAY
Mueller Electric Co
GFD Box ActiveGround Fault208 ~ 600VAC--Panel MountWire Leads-0°C ~ 55°C
3RN20121BW30
3RN20121BW30
THERMISTOR MOTOR PROT. 2CO REMOT
Siemens
SIRIUS 3RN2 Bulk ActiveOvertemperature24 ~ 240VAC/DC--DIN RailScrew TerminalManual Reset-25°C ~ 60°C
3UG46152CR20
3UG46152CR20
RELAY DIGITAL MOONITORING FOR 3P
Siemens
SIRUS 3UG4 Bulk ActivePhase Loss, Phase Sequence, Overvoltage, Undervoltage160 ~ 690VAC160 ~ 690VAC0.1 ~ 20sDIN RailSpring TerminalAutomatic Reset-25°C ~ 60°C
DPD02DM44B
DPD02DM44B
3PH MONITORING RELAY 240V
Carlo Gavazzi Inc.
DPD Box ActiveMultiple120 ~ 277VAC102 ~ 318V AC0 ~ 60sDIN RailScrew Terminal--20°C ~ 60°C
3UG4617-1CR20
3UG4617-1CR20
VOLTAGE MONITORING RELAY
Siemens
SIRUS 3UG4 Bulk ActivePhase Loss, Phase Sequence, Overvoltage, Undervoltage160 ~ 690VAC160 ~ 690VAC0.1 ~ 20sDIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
3UG4618-1CR20
3UG4618-1CR20
AUT. CORRECTION OF PHASE SEQU.
Siemens
SIRUS 3UG4 Bulk ActivePhase Loss, Phase Sequence, Overvoltage, Undervoltage90 ~ 400VAC90 ~ 400VAC0.1 ~ 20sDIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
777-575-P2
777-575-P2
3-PH OVERLOAD REL./500-600V/
Littelfuse Inc.
777/77C Bulk ActiveMultiple500 ~ 600VAC2 ~ 800A, 450 ~ 660VAC0 ~ 999sChassis MountScrew Terminal--20°C ~ 70°C
777-575-KW/HP-P2
777-575-KW/HP-P2
3-PHASE POWER MONITOR/500-600V
Littelfuse Inc.
777-KW/HP-P2 Bulk ActiveMultiple500 ~ 600VAC2 ~ 800A, 450 ~ 660VAC0 ~ 999sChassis MountScrew Terminal--20°C ~ 70°C
777-LR-KW/HP-P2
777-LR-KW/HP-P2
3-PHASE POWER MONITOR/200-480V
Littelfuse Inc.
777-KW/HP-P2 Bulk ActiveMultiple200 ~ 480VAC1 ~ 800A, 170 ~ 528VAC0 ~ 999sDIN RailScrew Terminal--20°C ~ 70°C
777-TS
777-TS
3-PHASE OVERLOAD RELAY/190-480
Littelfuse Inc.
777/77C Bulk ActiveMultiple200 ~ 480VAC2 ~ 800A, 170 ~ 528VAC0.2 ~ 500sChassis MountScrew Terminal--20°C ~ 70°C
RISH RELAY - PHR
RISH RELAY - PHR
V PROTECTION RELAY PHASE FAILURE
Rishabh Instruments
RISH Relay-PHR Bulk Active--------
VR-1-L-1
VR-1-L-1
VOLTAGE PROTECTION RELAY 1-PHASE
Rishabh Instruments
Bulk ActiveGround Fault, Overvoltage, Phase Imbalance, Phase Loss, Phase Sequence, Undervoltage58 ~ 138VAC43.5 ~ 172.5VAC0 ~ 10sDIN RailScrew Terminal--10°C ~ 55°C
VR-1-H-1
VR-1-H-1
VOLTAGE PROTECTION RELAY 1-PHASE
Rishabh Instruments
Bulk ActiveGround Fault, Overvoltage, Phase Imbalance, Phase Loss, Phase Sequence, Undervoltage220 ~ 254VAC165 ~ 317.5VAC0 ~ 10sDIN RailScrew Terminal--10°C ~ 55°C
VR-3-H-1
VR-3-H-1
VOLTAGE PROTECTION RELAY 3-PHASE
Rishabh Instruments
Bulk ActiveGround Fault, Overvoltage, Phase Imbalance, Phase Loss, Phase Sequence, Undervoltage415 ~ 480VAC311.25 ~ 600VAC0 ~ 10sDIN RailScrew Terminal--10°C ~ 55°C
VR-3-L-1
VR-3-L-1
VOLTAGE PROTECTION RELAY 3-PHASE
Rishabh Instruments
Bulk ActiveGround Fault, Overvoltage, Phase Imbalance, Phase Loss, Phase Sequence, Undervoltage110 ~ 240VAC82.5 ~ 300VAC0 ~ 10sDIN RailScrew Terminal--10°C ~ 55°C