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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.

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Part & Mfr Delay Time Features Function Mounting Type Operating Temperature Termination Style Trip Range Voltage
Product image for K2CM-4L by Omron
K2CM-4L
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 400/440VAC
Product image for K2CM-4LA by Omron
K2CM-4LA
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 400/440VAC
Product image for K2CM-4M by Omron
K2CM-4M
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 400/440VAC
Product image for TVM-200-20-2004 by R-K Electronics, Inc.
TVM-200-20-2004
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-200-20 by R-K Electronics, Inc.
TVM-200-20
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-200-22 by R-K Electronics, Inc.
TVM-200-22
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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) 32 ~ 40VAC 200 ~ 250VAC
Product image for TVM-300-20-0010 by R-K Electronics, Inc.
TVM-300-20-0010
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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) 35 ~ 42VAC 350 ~ 420VAC
Product image for TVM-300-20-0002 by R-K Electronics, Inc.
TVM-300-20-0002
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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) 35 ~ 42VAC 350 ~ 420VAC
Product image for TVM-300-10 by R-K Electronics, Inc.
TVM-300-10
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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) 35 ~ 42VAC 350 ~ 420VAC
Product image for TVM-200-21 by R-K Electronics, Inc.
TVM-200-21
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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) 26 ~ 32.5VAC 200 ~ 250VAC
Product image for TVM-200-20-0002 by R-K Electronics, Inc.
TVM-200-20-0002
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-200-22-2000 by R-K Electronics, Inc.
TVM-200-22-2000
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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) 32 ~ 40VAC 200 ~ 250VAC
Product image for TVM-300-20 by R-K Electronics, Inc.
TVM-300-20
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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) 35 ~ 42VAC 350 ~ 420VAC
Product image for TVM-200-20-2003 by R-K Electronics, Inc.
TVM-200-20-2003
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-200-21-2002 by R-K Electronics, Inc.
TVM-200-21-2002
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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) 26 ~ 32.5VAC 200 ~ 250VAC
Product image for TVM-200-21-0002 by R-K Electronics, Inc.
TVM-200-21-0002
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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) 26 ~ 32.5VAC 200 ~ 250VAC
Product image for TVM-300-10-9000 by R-K Electronics, Inc.
TVM-300-10-9000
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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) 35 ~ 42VAC 350 ~ 420VAC
Product image for TVM-200-20-2002 by R-K Electronics, Inc.
TVM-200-20-2002
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-100-12 by R-K Electronics, Inc.
TVM-100-12
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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) 16 ~ 20.8VAC 100 ~ 130VAC
Product image for TVM-100-20 by R-K Electronics, Inc.
TVM-100-20
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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) 10 ~ 13VAC 100 ~ 130VAC
Product image for TVM-200-20-2000 by R-K Electronics, Inc.
TVM-200-20-2000
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-200-12 by R-K Electronics, Inc.
TVM-200-12
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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) 32 ~ 40VAC 200 ~ 250VAC
Product image for TVM-100-20-2000 by R-K Electronics, Inc.
TVM-100-20-2000
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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) 10 ~ 13VAC 100 ~ 130VAC
Product image for TVM-200-10-9000 by R-K Electronics, Inc.
TVM-200-10-9000
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-200-10-0002 by R-K Electronics, Inc.
TVM-200-10-0002
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-300-21-0002 by R-K Electronics, Inc.
TVM-300-21-0002
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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) 45.5 ~ 54.6VAC 350 ~ 420VAC
Product image for TVM-200-10 by R-K Electronics, Inc.
TVM-200-10
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-200-12-2000 by R-K Electronics, Inc.
TVM-200-12-2000
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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) 32 ~ 40VAC 200 ~ 250VAC
Product image for TVM-200-10-2000 by R-K Electronics, Inc.
TVM-200-10-2000
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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) 20 ~ 25VAC 200 ~ 250VAC
Product image for TVM-300-20-2000 by R-K Electronics, Inc.
TVM-300-20-2000
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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) 35 ~ 42VAC 350 ~ 420VAC
Product image for TVM-100-20-0002 by R-K Electronics, Inc.
TVM-100-20-0002
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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) 10 ~ 13VAC 100 ~ 130VAC
Product image for E1PF480Y/277VSY01 by TELE Controls Inc
E1PF480Y/277VSY01
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TELE Controls Inc
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 0.1s Automatic Reset Phase Imbalance, Phase Loss, Phase Sequence, Phase Rotation DIN Rail -25°C ~ 55°C Screw Terminal 208/120 ~ 480/277VAC 208/120 ~ 480/277VAC
Product image for TVM-600-12 by R-K Electronics, Inc.
TVM-600-12
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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) 83.2 ~ 96VAC 520 ~ 600VAC
Product image for TVM-400-22 by R-K Electronics, Inc.
TVM-400-22
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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) 65.6 ~ 78.4VAC 410 ~ 490VAC
Product image for CSR-1-100-5.0-4.5 by R-K Electronics, Inc.
CSR-1-100-5.0-4.5
Download Datasheet for CSR-1-100-5.0-4.5
R-K Electronics, Inc.
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 0.1s Manual Reset - Chassis Mount 0°C ~ 55°C Wire Leads 4.5 ~ 5A -
Product image for DPM-120A-T by R-K Electronics, Inc.
DPM-120A-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" - 110 ~ 120VAC
Product image for TVM-400-21-2002 by R-K Electronics, Inc.
TVM-400-21-2002
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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-400-24-1100 by R-K Electronics, Inc.
TVM-400-24-1100
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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) - 410 ~ 490VAC
Product image for TVM-600-22-2000 by R-K Electronics, Inc.
TVM-600-22-2000
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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) 83.2 ~ 96VAC 520 ~ 600VAC
Product image for TVM-400-22-0002 by R-K Electronics, Inc.
TVM-400-22-0002
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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) 65.6 ~ 78.4VAC 410 ~ 490VAC
Product image for CSR-1-18-5.0-4.5 by R-K Electronics, Inc.
CSR-1-18-5.0-4.5
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R-K Electronics, Inc.
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 0.1s Manual Reset - Chassis Mount 0°C ~ 55°C Wire Leads 4.5 ~ 5A -
Product image for TVM-400-20-2002 by R-K Electronics, Inc.
TVM-400-20-2002
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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-600-20-2002 by R-K Electronics, Inc.
TVM-600-20-2002
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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) 52 ~ 60VAC 520 ~ 600VAC
Product image for TVM-600-21-2002 by R-K Electronics, Inc.
TVM-600-21-2002
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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) 67.6 ~ 78VAC 520 ~ 600VAC
Product image for TVM-600-20-2000 by R-K Electronics, Inc.
TVM-600-20-2000
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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) 52 ~ 60VAC 520 ~ 600VAC
Product image for TVM-600-20 by R-K Electronics, Inc.
TVM-600-20
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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) 52 ~ 60VAC 520 ~ 600VAC
Product image for TVM-400-21-2000 by R-K Electronics, Inc.
TVM-400-21-2000
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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) 53.3 ~ 63.7VAC 410 ~ 490VAC
Product image for DPM-12D-MRTU-B by R-K Electronics, Inc.
DPM-12D-MRTU-B
R-K Electronics, Inc.
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 2 ~ 10s - Multiple Chassis Mount -40°C ~ 59°C Screw Terminal - 12VDC
Product image for TVM-600-20-0002 by R-K Electronics, Inc.
TVM-600-20-0002
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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) 52 ~ 60VAC 520 ~ 600VAC
Product image for TVM-600-22 by R-K Electronics, Inc.
TVM-600-22
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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) 83.2 ~ 96VAC 520 ~ 600VAC
Showing 301-350 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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