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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 TVM-400-21 by R-K Electronics, Inc.
TVM-400-21
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R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 53.3 ~ 63.7VAC 410 ~ 490VAC
Product image for TVM-400-20-0002 by R-K Electronics, Inc.
TVM-400-20-0002
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R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 41 ~ 49VAC 410 ~ 490VAC
Product image for TVM-400-12-0002 by R-K Electronics, Inc.
TVM-400-12-0002
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R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 65.6 ~ 78.4VAC 410 ~ 490VAC
Product image for TVM-400-20-2000 by R-K Electronics, Inc.
TVM-400-20-2000
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R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 41 ~ 49VAC 410 ~ 490VAC
Product image for TVM-400-10-0002 by R-K Electronics, Inc.
TVM-400-10-0002
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R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 41 ~ 49VAC 410 ~ 490VAC
Product image for TVM-400-20 by R-K Electronics, Inc.
TVM-400-20
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R-K Electronics, Inc.
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 0.5s - Overvoltage, Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 41 ~ 49VAC 410 ~ 490VAC
Product image for TVM-400-12 by R-K Electronics, Inc.
TVM-400-12
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R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 65.6 ~ 78.4VAC 410 ~ 490VAC
Product image for TVM-400-10-9000 by R-K Electronics, Inc.
TVM-400-10-9000
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R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 41 ~ 49VAC 410 ~ 490VAC
Product image for TVM-400-10 by R-K Electronics, Inc.
TVM-400-10
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R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 41 ~ 49VAC 410 ~ 490VAC
Product image for DPM-24A-T-0003 by R-K Electronics, Inc.
DPM-24A-T-0003
R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 24VAC
Product image for CSR-1-TB-5.0-4.5 by R-K Electronics, Inc.
CSR-1-TB-5.0-4.5
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R-K Electronics, Inc.
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 0.1s Manual Reset - Chassis Mount 0°C ~ 55°C Screw Terminal 4.5 ~ 5A -
Product image for DPM-240A-T by R-K Electronics, Inc.
DPM-240A-T
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 208 ~ 240VAC
Product image for DPM-120A-T-0002 by R-K Electronics, Inc.
DPM-120A-T-0002
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 110 ~ 120VAC
Product image for DPM-24A-T by R-K Electronics, Inc.
DPM-24A-T
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 24VAC
Product image for DPM-24A-T-0002 by R-K Electronics, Inc.
DPM-24A-T-0002
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 24VAC
Product image for DPM-12D-T by R-K Electronics, Inc.
DPM-12D-T
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 12VDC
Product image for DPM-24D-T by R-K Electronics, Inc.
DPM-24D-T
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 24VDC
Product image for DPM-24A-B by R-K Electronics, Inc.
DPM-24A-B
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 59°C Screw Terminal - 24VAC
Product image for DPM-12D-B by R-K Electronics, Inc.
DPM-12D-B
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 59°C Screw Terminal - 12VDC
Product image for DPM-240A-B by R-K Electronics, Inc.
DPM-240A-B
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 59°C Screw Terminal - 208 ~ 240VAC
Product image for DPM-120A-B by R-K Electronics, Inc.
DPM-120A-B
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 59°C Screw Terminal - 110 ~ 120VAC
Product image for DPM-24D-B by R-K Electronics, Inc.
DPM-24D-B
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R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 59°C Screw Terminal - 24VDC
Product image for CLR-24V-1152 by R-K Electronics, Inc.
CLR-24V-1152
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R-K Electronics, Inc.
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 0.5s - Overspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 15 ~ 150PPS 20 ~ 24VAC
Product image for CLR-120A-1001 by R-K Electronics, Inc.
CLR-120A-1001
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 0.7 ~ 7PPS 100 ~ 125VAC
Product image for CLR-120A-1011 by R-K Electronics, Inc.
CLR-120A-1011
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 1 ~ 10PPS 100 ~ 125VAC
Product image for CLR-24V-1002 by R-K Electronics, Inc.
CLR-24V-1002
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R-K Electronics, Inc.
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 0.5s - Overspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 0.7 ~ 7PPS 20 ~ 24VAC
Product image for CLR-120A-1002 by R-K Electronics, Inc.
CLR-120A-1002
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R-K Electronics, Inc.
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 0.5s - Overspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 0.7 ~ 7PPS 100 ~ 125VAC
Product image for CLR-24V-1012 by R-K Electronics, Inc.
CLR-24V-1012
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R-K Electronics, Inc.
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 0.5s - Overspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 1 ~ 10PPS 20 ~ 24VAC
Product image for CLR-24D-5001 by R-K Electronics, Inc.
CLR-24D-5001
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) - 20 ~ 24VDC
Product image for CLR-120A-1101 by R-K Electronics, Inc.
CLR-120A-1101
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 10 ~ 100PPS 100 ~ 125VAC
Product image for CLR-120A-2001 by R-K Electronics, Inc.
CLR-120A-2001
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) - 100 ~ 125VAC
Product image for CLR-120A-6001 by R-K Electronics, Inc.
CLR-120A-6001
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) - 100 ~ 125VAC
Product image for CLR-120A-1052 by R-K Electronics, Inc.
CLR-120A-1052
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R-K Electronics, Inc.
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 0.5s - Overspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 5 ~ 50PPS 100 ~ 125VAC
Product image for CLR-120A-1051 by R-K Electronics, Inc.
CLR-120A-1051
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 5 ~ 50PPS 100 ~ 125VAC
Product image for CLR-24V-1001 by R-K Electronics, Inc.
CLR-24V-1001
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) 0.7 ~ 7PPS 20 ~ 24VAC
Product image for PGR-6801-24 by Littelfuse Inc.
PGR-6801-24
Littelfuse Inc.
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Product image for CLR-240A-2001 by R-K Electronics, Inc.
CLR-240A-2001
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R-K Electronics, Inc.
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 0.5s - Underspeed Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) - 200 ~ 240VAC
Product image for STR-120A-B by R-K Electronics, Inc.
STR-120A-B
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R-K Electronics, Inc.
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 - - - Chassis Mount -40°C ~ 65°C Screw Terminal - 120VAC
Product image for STR-24A-B by R-K Electronics, Inc.
STR-24A-B
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R-K Electronics, Inc.
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 - - - Chassis Mount -40°C ~ 65°C Screw Terminal - 24VAC
Product image for STR-12D-B by R-K Electronics, Inc.
STR-12D-B
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R-K Electronics, Inc.
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 - - - Chassis Mount -40°C ~ 65°C Screw Terminal - 12VDC
Product image for STR-24D-B by R-K Electronics, Inc.
STR-24D-B
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R-K Electronics, Inc.
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 - - - Chassis Mount -40°C ~ 65°C Screw Terminal - 24VDC
Product image for SVM-575A-19 by R-K Electronics, Inc.
SVM-575A-19
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R-K Electronics, Inc.
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 0.5s - Undervoltage Socketable 0°C ~ 40°C Plug In, 8 Pin (Octal) - -
Product image for PRR-300 by R-K Electronics, Inc.
PRR-300
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R-K Electronics, Inc.
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 5s - Phase Loss Chassis Mount 0°C ~ 40°C Screw Terminal - 380 ~ 415VAC
Product image for PRR-200 by R-K Electronics, Inc.
PRR-200
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R-K Electronics, Inc.
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 5s - Phase Loss Chassis Mount 0°C ~ 40°C Screw Terminal - 200 ~ 240VAC
Product image for PRR-100 by R-K Electronics, Inc.
PRR-100
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R-K Electronics, Inc.
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 5s - Phase Loss Chassis Mount 0°C ~ 40°C Screw Terminal - 110 ~ 120VAC
Product image for DPM-240A-MRTU-T by R-K Electronics, Inc.
DPM-240A-MRTU-T
R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 208 ~ 240VAC
Product image for DPM-24A-MRTU-T by R-K Electronics, Inc.
DPM-24A-MRTU-T
R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 24VAC
Product image for DPM-120A-MRTU-T by R-K Electronics, Inc.
DPM-120A-MRTU-T
R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 110 ~ 120VAC
Product image for DPM-12D-MRTU-T by R-K Electronics, Inc.
DPM-12D-MRTU-T
R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 12VDC
Product image for DPM-24D-MRTU-T by R-K Electronics, Inc.
DPM-24D-MRTU-T
R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 65°C Quick Connect - 0.187"/0.250" - 24VDC
Showing 351-400 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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