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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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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.

Parts in this category

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Part & Mfr Delay Time Features Function Mounting Type Operating Temperature Termination Style Trip Range Voltage
Product image for RISH ELR-4001-HA-96 by Rishabh Instruments
RISH ELR-4001-HA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH RELAY I-3-2001-LA by Rishabh Instruments
RISH RELAY I-3-2001-LA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 20 ~ 40VAC, 60VDC
Product image for RISH ELR-4002-LA-TS35 by Rishabh Instruments
RISH ELR-4002-LA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for PRRL-300 by R-K Electronics, Inc.
PRRL-300
Download Datasheet for PRRL-300
R-K Electronics, Inc.
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 5s - Phase Loss Chassis Mount 0°C ~ 40°C Screw Terminal - 380 ~ 415VAC
Product image for RISH RELAY I-1-2002-HA by Rishabh Instruments
RISH RELAY I-1-2002-HA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 60 ~ 300VAC/DC
Product image for RISH ELR-4002-HA-TS35 by Rishabh Instruments
RISH ELR-4002-HA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH ELR-4001-LA-TS35 by Rishabh Instruments
RISH ELR-4001-LA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH RELAY I-1-2001-HA by Rishabh Instruments
RISH RELAY I-1-2001-HA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 60 ~ 300VAC/DC
Product image for RISH RELAY I-1-2001-LA by Rishabh Instruments
RISH RELAY I-1-2001-LA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 20 ~ 40VAC, 60VDC
Product image for RISH ELR-4001-HA-TS35 by Rishabh Instruments
RISH ELR-4001-HA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH RELAY I-3-2001-HA by Rishabh Instruments
RISH RELAY I-3-2001-HA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 60 ~ 300VAC/DC
Product image for RISH ELR-4001-LA-96 by Rishabh Instruments
RISH ELR-4001-LA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH RELAY I-3-2002-HA by Rishabh Instruments
RISH RELAY I-3-2002-HA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 60 ~ 300VAC/DC
Product image for RISH RELAY I-3-2002-LA by Rishabh Instruments
RISH RELAY I-3-2002-LA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 20 ~ 40VAC, 60VDC
Product image for MPU-32-X69X-02X00 by Littelfuse Inc.
MPU-32-X69X-02X00
Littelfuse Inc.
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 - - Multiple Panel Mount -40°C ~ 60°C Screw Terminal - 65 ~ 265VAC, 80 ~ 275VDC
Product image for RISH RELAY I-1-2000-LA by Rishabh Instruments
RISH RELAY I-1-2000-LA
Rishabh Instruments
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 0 ~ 30s Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button Overcurrent, Overload, Undercurrent, Underload DIN Rail -10°C ~ 55°C Screw Terminal - 20 ~ 40VAC, 60VDC
Product image for RISH ELR-4002-HA-96 by Rishabh Instruments
RISH ELR-4002-HA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH ELR-4002-LA-96 by Rishabh Instruments
RISH ELR-4002-LA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH ELR+-4011-LA-TS35 by Rishabh Instruments
RISH ELR+-4011-LA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH ELR+-4011-LA-96 by Rishabh Instruments
RISH ELR+-4011-LA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH ELR+-4011-HA-96 by Rishabh Instruments
RISH ELR+-4011-HA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH ELR+-4011-HA-TS35 by Rishabh Instruments
RISH ELR+-4011-HA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH ELR VI-4021-HA-TS35 by Rishabh Instruments
RISH ELR VI-4021-HA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH ELR VI-4031-LA-TS35 by Rishabh Instruments
RISH ELR VI-4031-LA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH ELR VI-4021-LA-TS35 by Rishabh Instruments
RISH ELR VI-4021-LA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for MPU-32-X69X-00X00 by Littelfuse Inc.
MPU-32-X69X-00X00
Littelfuse Inc.
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 - - Multiple Panel Mount -40°C ~ 60°C Screw Terminal - 65 ~ 265VAC, 80 ~ 275VDC
Product image for RISH ELR VI-4021-LA-96 by Rishabh Instruments
RISH ELR VI-4021-LA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH ELR VI-4031-LA-96 by Rishabh Instruments
RISH ELR VI-4031-LA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 20 ~ 40VAC, 60VDC
Product image for RISH ELR VI-4021-HA-96 by Rishabh Instruments
RISH ELR VI-4021-HA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH ELR VI-4031-HA-TS35 by Rishabh Instruments
RISH ELR VI-4031-HA-TS35
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage DIN Rail -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for RISH ELR VI-4031-HA-96 by Rishabh Instruments
RISH ELR VI-4031-HA-96
Rishabh Instruments
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 0 ~ 30s Automatic Reset, Manual Reset, Test Button Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage Panel Mount -10°C ~ 55°C Screw Terminal 30mA ~ 30A 60 ~ 300VAC/DC
Product image for MCDR-10-T by R-K Electronics, Inc.
MCDR-10-T
Download Datasheet for MCDR-10-T
R-K Electronics, Inc.
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 0.1s Automatic Reset - Chassis Mount 0°C ~ 40°C Quick Connect - 0.187"/0.250" 10A -
Product image for MCDR-10-S by R-K Electronics, Inc.
MCDR-10-S
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R-K Electronics, Inc.
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 0.1s Automatic Reset - Chassis Mount 0°C ~ 40°C Screw Terminal 10A -
Product image for MCDR-20-S by R-K Electronics, Inc.
MCDR-20-S
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R-K Electronics, Inc.
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 0.1s Automatic Reset - Chassis Mount 0°C ~ 40°C Screw Terminal 20A -
Product image for MCDR-7.5-S by R-K Electronics, Inc.
MCDR-7.5-S
Download Datasheet for MCDR-7.5-S
R-K Electronics, Inc.
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 0.1s Automatic Reset - Chassis Mount 0°C ~ 40°C Screw Terminal - -
Product image for SVM-12D-22 by R-K Electronics, Inc.
SVM-12D-22
Download Datasheet for SVM-12D-22
R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 1.76 ~ 2.4VDC 11 ~ 15VDC
Product image for SVM-12D-11 by R-K Electronics, Inc.
SVM-12D-11
Download Datasheet for SVM-12D-11
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 1.43 ~ 1.95VDC 11 ~ 15VDC
Product image for SE-330AU-02-00 by Littelfuse Inc.
SE-330AU-02-00
Littelfuse Inc.
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 - - - - - - - -
Product image for SVM-12D-12 by R-K Electronics, Inc.
SVM-12D-12
Download Datasheet for SVM-12D-12
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 1.76 ~ 2.4VDC 11 ~ 15VDC
Product image for SVM-120A-12 by R-K Electronics, Inc.
SVM-120A-12
Download Datasheet for SVM-120A-12
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 16 ~ 20.8VAC 100 ~ 130VAC
Product image for SVM-120A-20-0002 by R-K Electronics, Inc.
SVM-120A-20-0002
Download Datasheet for SVM-120A-20-0002
R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 10 ~ 13VAC 100 ~ 130VAC
Product image for SVM-120A-20 by R-K Electronics, Inc.
SVM-120A-20
Download Datasheet for SVM-120A-20
R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 10 ~ 13VAC 100 ~ 130VAC
Product image for SVM-120A-11 by R-K Electronics, Inc.
SVM-120A-11
Download Datasheet for SVM-120A-11
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 13 ~ 16.9VAC 100 ~ 130VAC
Product image for SVM-120A-22 by R-K Electronics, Inc.
SVM-120A-22
Download Datasheet for SVM-120A-22
R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 16 ~ 20.8VAC 100 ~ 130VAC
Product image for SVM-120A-10 by R-K Electronics, Inc.
SVM-120A-10
Download Datasheet for SVM-120A-10
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 10 ~ 13VAC 100 ~ 130VAC
Product image for SVM-240A-10 by R-K Electronics, Inc.
SVM-240A-10
Download Datasheet for SVM-240A-10
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 20 ~ 25VAC 200 ~ 250VAC
Product image for SVM-240A-12 by R-K Electronics, Inc.
SVM-240A-12
Download Datasheet for SVM-240A-12
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 32 ~ 40VAC 200 ~ 250VAC
Product image for SVM-24D-10 by R-K Electronics, Inc.
SVM-24D-10
Download Datasheet for SVM-24D-10
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 2.2 ~ 2.7VDC 22 ~ 27VDC
Product image for SVM-240A-11 by R-K Electronics, Inc.
SVM-240A-11
Download Datasheet for SVM-240A-11
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 26 ~ 32.5VAC 200 ~ 250VAC
Product image for SVM-24D-11 by R-K Electronics, Inc.
SVM-24D-11
Download Datasheet for SVM-24D-11
R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 2.86 ~ 3.51VDC 22 ~ 27VDC
Showing 501-550 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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