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.
Product List
Total Components: 100
ProductPricingDatasheetFunctionVoltage - SupplyTrip RangeDelay TimeMounting TypeTermination StyleFeaturesOperating TemperatureStock & Quantity
PGR-3100
Hamlin / Littelfuse
1
$618.9600
Datasheet
Ground Fault600VAC--Panel MountScrew TerminalTest Button-
8,279
Cart +
RFQ
SE-105
Hamlin / Littelfuse
1
$1.0000
Datasheet
Ground Fault120VAC0.5 ~ 5A0.1 ~ 1sChassis MountScrew TerminalAutomatic Reset, Manual Reset-
5,294
Cart +
RFQ
3RN20101CW30
Siemens
1
$162.3300
Datasheet
Overtemperature24 ~ 240VAC/DC--DIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
9,632
Cart +
RFQ
CSR-1-18-5.0-4.5
R-K Electronics, Inc.
1
$130.0000
Datasheet
--4.5 ~ 5A0.1sChassis MountWire LeadsManual Reset0°C ~ 55°C
4,277
Cart +
RFQ
DPM-24A-T
R-K Electronics, Inc.
1
$145.0000
Datasheet
Multiple24VAC-2 ~ 10sChassis MountQuick Connect - 0.187"/0.250"--40°C ~ 65°C
9,492
Cart +
RFQ
DPM-240A-B
R-K Electronics, Inc.
1
$160.0000
Datasheet
Multiple208 ~ 240VAC-2 ~ 10sChassis MountScrew Terminal--40°C ~ 59°C
6,628
Cart +
RFQ
DPM-24A-B
R-K Electronics, Inc.
1
$170.0000
Datasheet
Multiple24VAC-2 ~ 10sChassis MountScrew Terminal--40°C ~ 59°C
3,664
Cart +
RFQ
MVPL-120A-A1C
R-K Electronics, Inc.
1
$230.0000
Datasheet
Multiple120VAC-2 ~ 300sChassis MountPlug In, 8 Pin (Octal)Manual Reset0°C ~ 65°C
6,438
Cart +
RFQ
777-P2
Hamlin / Littelfuse
1
$590.7900
Datasheet
Multiple200 ~ 480VAC200 ~ 480V AC-Chassis MountScrew Terminal--20°C ~ 70°C
2,199
Cart +
RFQ
EL3100-00
Hamlin / Littelfuse
1
$767.7300
Datasheet
Ground Fault208 ~ 600VAC--Chassis Mount, DIN RailScrew Terminal--
8,682
Cart +
RFQ
SE-701-0U
Hamlin / Littelfuse
1
$926.1000
Datasheet
Ground Fault120/240VAC/DC-0.5 ~ 2.5sChassis Mount, DIN RailScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-40°C ~ 60°C
8,812
Cart +
RFQ
PGR-4700-24
Hamlin / Littelfuse
1
$1.0000
Datasheet
Ground Fault24VDC0.01 ~ 3A0 ~ 1.5sDIN RailScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-
8,016
Cart +
RFQ
SE-601-0D
Hamlin / Littelfuse
1
$1.0000
Datasheet
Ground Fault, Overcurrent12/24VDC0.1 ~ 0.2A0.5 ~ 2.5sChassis Mount, DIN RailScrew TerminalManual Reset, Test Button-40°C ~ 60°C
3,643
Cart +
RFQ
3UG4615-1CR20
Siemens
1
$283.3000
Datasheet
Phase Loss, Phase Sequence, Overvoltage, Undervoltage160 ~ 690VAC160 ~ 690VAC0.1 ~ 20sDIN RailScrew TerminalAutomatic Reset-25°C ~ 60°C
2,168
Cart +
RFQ
3RN20121BW30
Siemens
1
$285.3800
Datasheet
Overtemperature24 ~ 240VAC/DC--DIN RailScrew TerminalManual Reset-25°C ~ 60°C
7,912
Cart +
RFQ
SE-TA6
Hamlin / Littelfuse
1
$374.0000
Datasheet
Ground Fault---Chassis MountScrew Terminal--
5,058
Cart +
RFQ
K2CM-1LS
Omron Automation
1
$436.5000
Datasheet
Overcurrent, Phase Loss, Phase Sequence100/110/120VAC2 ~ 8A2 ~ 40sChassis MountScrew TerminalManual Reset, Test Button-10°C ~ 60°C
9,554
Cart +
RFQ
777-LR-P2
Hamlin / Littelfuse
1
$590.7900
Datasheet
-200 ~ 480VAC200 ~ 480V AC-Chassis Mount---20°C ~ 70°C
4,598
Cart +
RFQ
SE-701-0D
Hamlin / Littelfuse
1
$1.0000
Datasheet
Ground Fault12 ~ 24VDC-0.05 ~ 2.5sDIN RailScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-
2,327
Cart +
RFQ
SE-135-00
Hamlin / Littelfuse
1
$3.0000
Datasheet
Ground Fault65 ~ 265VAC, 85 ~ 275VDC-0.1 ~ 2.5sPanel MountScrew TerminalCT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button-40°C ~ 60°C
5,842
Cart +
RFQ