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Protection Relays & Systems

Protection Relays & Systems protect electrical circuits by detecting faults and preventing damage. Key attributes include Delay Time, Operating Temperature, and Trip Range. These components are essential for applications such as switching and control panels.

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16 manufacturers
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What are Protection Relays & Systems ?

Protection Relays & Systems are devices designed to monitor electrical circuits and provide protection against faults. They are commonly used in switching and control panels, ensuring the safe operation of electrical systems. Important specifications for selection include Delay Time, which affects response speed; Operating Temperature, which ensures reliability under varying conditions; and Trip Range, which determines the sensitivity to faults. Validating lifecycle status and sourcing options is crucial for procurement teams to ensure compatibility and performance.

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Part & Mfr Delay Time Features Function Mounting Type Operating Temperature Termination Style Trip Range Voltage
Product image for ZVR-120A-A1C by R-K Electronics, Inc.
ZVR-120A-A1C
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVS-120A-S1C-00002 by R-K Electronics, Inc.
ZVS-120A-S1C-00002
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R-K Electronics, Inc.
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 - - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVR-240A-A1C by R-K Electronics, Inc.
ZVR-240A-A1C
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 208 ~ 240VAC
Product image for ZVS-24A-A1C by R-K Electronics, Inc.
ZVS-24A-A1C
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 24VAC
Product image for ZVS-120A-F1C by R-K Electronics, Inc.
ZVS-120A-F1C
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R-K Electronics, Inc.
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 1s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVS-120A-A1C by R-K Electronics, Inc.
ZVS-120A-A1C
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVR-120A-F1C by R-K Electronics, Inc.
ZVR-120A-F1C
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R-K Electronics, Inc.
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 1s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for MPS-469X-42000 by Littelfuse Inc.
MPS-469X-42000
Littelfuse Inc.
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Product image for ZVR-120A-S1C-00002 by R-K Electronics, Inc.
ZVR-120A-S1C-00002
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R-K Electronics, Inc.
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 - - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVS-240A-A1C by R-K Electronics, Inc.
ZVS-240A-A1C
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 208 ~ 240VAC
Product image for ZVS-240A-F1C by R-K Electronics, Inc.
ZVS-240A-F1C
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R-K Electronics, Inc.
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 1s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 208 ~ 240VAC
Product image for ZVR-120A-A2A by R-K Electronics, Inc.
ZVR-120A-A2A
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVR-240A-AAB by R-K Electronics, Inc.
ZVR-240A-AAB
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 208 ~ 240VAC
Product image for ZVS-120A-AAB by R-K Electronics, Inc.
ZVS-120A-AAB
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVR-240A-A2A by R-K Electronics, Inc.
ZVR-240A-A2A
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 208 ~ 240VAC
Product image for ZVR-120A-FAB by R-K Electronics, Inc.
ZVR-120A-FAB
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R-K Electronics, Inc.
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 1s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVS-120A-F2A by R-K Electronics, Inc.
ZVS-120A-F2A
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R-K Electronics, Inc.
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 1s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVS-120A-FAB by R-K Electronics, Inc.
ZVS-120A-FAB
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R-K Electronics, Inc.
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 1s - Overvoltage Chassis Mount 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for ZVR-24A-AAB by R-K Electronics, Inc.
ZVR-24A-AAB
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 24VAC
Product image for ZVR-120A-F2A by R-K Electronics, Inc.
ZVR-120A-F2A
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R-K Electronics, Inc.
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 1s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for MPS-469X-43000 by Littelfuse Inc.
MPS-469X-43000
Littelfuse Inc.
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Product image for ZVR-120A-AAB by R-K Electronics, Inc.
ZVR-120A-AAB
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R-K Electronics, Inc.
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 0.5 ~ 40s - Overvoltage Chassis Mount, DIN Rail 0°C ~ 65°C Screw Terminal 38 ~ 380VAC 100 ~ 120VAC
Product image for 1618085-2 by TE Connectivity
1618085-2
TE Connectivity
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Product image for G2CM400V10AL20 by TELE Controls Inc
G2CM400V10AL20
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TELE Controls Inc
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 0.1 ~ 40s Automatic Reset Ground Fault , Overload, Underload DIN Rail -25°C ~ 40°C Screw Terminal 40 ~ 415VAC 12 ~ 400VAC
Product image for NA003-M64 by TELE Controls Inc
NA003-M64
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TELE Controls Inc
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 0 ~ 600s - Overfrequency, Overvoltage, Underfrequency, Undervoltage DIN Rail -25°C ~ 55°C Screw Terminal 0 ~ 560VAC, 40 ~ 65Hz 110 ~ 230VAC, 24VDC
Product image for G4BM480V12ADTL20 24-240V AC/DC by TELE Controls Inc
G4BM480V12ADTL20 24-240V AC/DC
Download Datasheet for G4BM480V12ADTL20 24-240V AC/DC
TELE Controls Inc
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 0.1 ~ 50s Automatic Reset Ground Fault , Overload, Overtemperature, Underload DIN Rail -25°C ~ 40°C Screw Terminal 48 ~ 480VAC 24 ~ 240VAC/DC
Product image for G4CM690V16ATL20 by TELE Controls Inc
G4CM690V16ATL20
Download Datasheet for G4CM690V16ATL20
TELE Controls Inc
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 1 ~ 50s Automatic Reset Ground Fault, Overtemperature DIN Rail -25°C ~ 40°C Screw Terminal 85 ~ 690VAC 12 ~ 500VAC
Product image for 1-1618058-1 by TE Connectivity
1-1618058-1
TE Connectivity
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 0.5 ~ 10s - Overvoltage, Undervoltage Chassis Mount, DIN Rail -40°C ~ 60°C Screw Terminal 72 ~ 672VAC 13.5 ~ 32VDC
Product image for 1-1618059-6 by TE Connectivity
1-1618059-6
TE Connectivity
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 0 ~ 100s - Phase Loss, Phase Sequence, UnderVoltage Chassis Mount -40°C ~ 70°C Screw Terminal 345 ~ 460VAC 460VAC
Product image for 5-1618065-8 by TE Connectivity
5-1618065-8
TE Connectivity
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Product image for 4-1618002-4 by TE Connectivity
4-1618002-4
TE Connectivity
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Product image for APMR0016 by Red Lion Controls
APMR0016
Red Lion Controls
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 - Automatic Reset Phase Imbalance, Phase Loss, Phase Sequence, UnderVoltage DIN Rail 0°C ~ 55°C Screw Terminal 185 ~ 240VAC 230VAC
Product image for 4420.0340 by Schurter Inc.
4420.0340
Schurter Inc.
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Product image for K2CM-1H by Omron
K2CM-1H
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 50 ~ 160A 100/110/120VAC
Product image for K2CM-1HA by Omron
K2CM-1HA
Omron
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 2 ~ 40s Automatic Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 50 ~ 160A 100/110/120VAC
Product image for MPS-469X-44000 by Littelfuse Inc.
MPS-469X-44000
Littelfuse Inc.
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Product image for K2CM-1L by Omron
K2CM-1L
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 8 ~ 26A 100/110/120VAC
Product image for K2CM-1LA by Omron
K2CM-1LA
Omron
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 2 ~ 40s Automatic Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 8 ~ 26A 100/110/120VAC
Product image for K2CM-1M by Omron
K2CM-1M
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 20 ~ 65A 100/110/120VAC
Product image for K2CM-1MA by Omron
K2CM-1MA
Omron
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 2 ~ 40s Automatic Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 20 ~ 65A 100/110/120VAC
Product image for K2CM-2H by Omron
K2CM-2H
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 50 ~ 160A 200/220/240VAC
Product image for K2CM-2HA by Omron
K2CM-2HA
Omron
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 2 ~ 40s Automatic Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 50 ~ 160A 200/220/240VAC
Product image for K2CM-2L by Omron
K2CM-2L
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 8 ~ 26A 200/220/240VAC
Product image for K2CM-2LA by Omron
K2CM-2LA
Omron
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 2 ~ 40s Automatic Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 8 ~ 26A 200/220/240VAC
Product image for K2CM-2LS by Omron
K2CM-2LS
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 2 ~ 8A 200/220/240VAC
Product image for K2CM-2M by Omron
K2CM-2M
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 20 ~ 65A 200/220/240VAC
Product image for K2CM-2MA by Omron
K2CM-2MA
Omron
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 2 ~ 40s Automatic Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 20 ~ 65A 200/220/240VAC
Product image for K2CM-4H by Omron
K2CM-4H
Omron
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 2 ~ 40s Manual Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 50 ~ 160A 400/440VAC
Product image for K2CM-4HA by Omron
K2CM-4HA
Omron
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 2 ~ 40s Automatic Reset, Test Button Overcurrent, Phase Loss, Phase Sequence Chassis Mount -10°C ~ 60°C Screw Terminal 50 ~ 160A 400/440VAC
Product image for MPU-32-X69X-11X00 by Littelfuse Inc.
MPU-32-X69X-11X00
Littelfuse Inc.
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 - - Multiple Panel Mount -40°C ~ 60°C Screw Terminal - 65 ~ 265VAC, 80 ~ 275VDC
Showing 251-300 of 1,359 products

About Protection Relays & Systems

Protection Relays & Systems play a vital role in ensuring the safety and reliability of electrical systems. These components are designed to detect abnormal conditions and initiate protective actions to prevent damage to equipment and ensure operational continuity.

When sourcing Protection Relays & Systems, it is important to consider key attributes such as Delay Time, Features, Function, Mounting Type, Operating Temperature, Termination Style, Trip Range, and Voltage. These specifications will help you identify the right relay for your specific application needs.

Common applications for Protection Relays & Systems include switching and control panels, new product design and prototyping, production electronics assembly, maintenance and field replacement, and engineering evaluation and qualification. Understanding the operational context will aid in selecting the most suitable components.

Before submitting a Request for Quotation (RFQ), buyers should prioritize comparing critical specifications and validating lifecycle status. It is also advisable to confirm mechanical and electrical compatibility with existing design constraints to minimize sourcing risks. Utilizing parametric filtering can streamline the selection process and enhance procurement efficiency.

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