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Used Relays

  • Trusted Seller
    Siemens Contactor Relay

    Siemens Contactor Relay

    • Manufacturer: Siemens

    New Open Box Name: Contactor Relay | Arrival date: 06-09-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50/60Hz, 48/440 VDC, 230/690 VAC | Weight (lb.): 6 | Available quantity: 1

    $160 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Safety Relay

    Allen Bradley Safety Relay

    • Manufacturer: Allen-Bradley
    • Model: 440R

    Used Untested Name: Safety Relay | Arrival date: 10-27-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Banner Safety Relay

    Banner Safety Relay

    • Manufacturer: Banner
    • Model: AT-AM-2A

    New Open Box Name: Safety Relay | Arrival date: 10-27-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 2

    $599 USD
    Euclid, OH
  • Trusted Seller
    Define Relay I/o Expansion For

    Define Relay I/o Expansion For Zen-16

    • Manufacturer: Define

    New, Open Box Name: Relay I/o Expansion For Zen-16 | Arrival date: 10-21-2025 | Dimensions l x w x h (inches): 13 x 9 x 7 | Weight (lb.): 2 | Available quantity: 1

    $150 USD
    Euclid, OH
  • Trusted Seller
    Sick Safety Relay

    Sick Safety Relay

    • Manufacturer: Sick

    New No Box Name: Safety Relay | Arrival date: 10-09-2025 | Dimensions l x w x h (inches): 7 x 10 x 1 | Weight (lb.): 2 | Available quantity: 1

    $150 USD
    Euclid, OH
  • Trusted Seller
    Allen-bradley Guardmaster Dual Input Safety

    Allen-bradley Guardmaster Dual Input Safety Relay

    • Manufacturer: Allen-Bradley
    • Model: 440R-D22R2

    New Open Box Name: Guardmaster Dual Input Safety Relay | Arrival date: 07-08-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 6 | Available quantity: 1

    $150 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Modular Safety Relay

    Allen Bradley Modular Safety Relay

    • Manufacturer: Allen-Bradley
    • Model: MSR

    Used, Untested Name: Modular Safety Relay | Arrival date: 10-27-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 24VDC | Weight (lb.): 1 | Available quantity: 2

    $100 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Safety Relay

    Allen Bradley Safety Relay

    • Manufacturer: Allen-Bradley
    • Model: 440R-N23132

    New Open Box Name: Safety Relay | Arrival date: 10-22-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50/60HZ, 5A | Weight (lb.): 1 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Pinnacle Systems Double Throw Relay

    Pinnacle Systems Double Throw Relay

    • Manufacturer: Pinnacle Systems

    New Open Box Name: Double Throw Relay | Arrival date: 10-23-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50/60HZ, 16A | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Pinnacle Systems Double Throw Relay

    Pinnacle Systems Double Throw Relay

    • Manufacturer: Pinnacle Systems

    New Open Box Name: Double Throw Relay | Arrival date: 10-22-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50/60HZ, 120VAC, 16A | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Pinnacle Systems Double Throw Relay

    Pinnacle Systems Double Throw Relay

    • Manufacturer: Pinnacle Systems

    New Open Box Name: Double Throw Relay | Arrival date: 10-22-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50/60HZ, 16A, 120VAC | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Telemecanique Thermistor Protection Relay

    Telemecanique Thermistor Protection Relay

    • Manufacturer: Telemecanique

    New Open Box, Made In France Name: Thermistor Protection Relay | Arrival date: 10-20-2025 | Dimensions l x w x h (inches): 3 x 4 x 2 | Electrical: 50/60/110/127 | Weight (lb.): 2 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Pilz Safety Relay

    Pilz Safety Relay

    • Manufacturer: Pilz

    New Factory Sealed Name: Safety Relay | Arrival date: 10-14-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Electrical: 50-60 HZ, 2.5W, 240V | Weight (lb.): 1 | Available quantity: 1

    $200 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley Minotaur Universal Safety

    Allen Bradley Minotaur Universal Safety Relay Unit

    • Manufacturer: Allen-Bradley
    • Model: MSR

    New Open Box Name: Minotaur Universal Safety Relay Unit | Arrival date: 08-20-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Capacity: 45MM ENCLOSURE | Electrical: 3A, 110VAC | Weight (lb.): 1 | Available quan...

    $170 USD
    Euclid, OH
  • Trusted Seller
    Carlo Gavazzi 10 Single Pole

    Carlo Gavazzi 10 Single Pole Panel Mount Solid State Relays.

    • Manufacturer: Carlo Gavazzi

    New, Open Box, Quantity 10 Name: 10 Single Pole Panel Mount Solid State Relays. | Arrival date: 10-21-2025 | Dimensions l x w x h (inches): 7 x 7 x 7 | Electrical: 230V 40A DC IP | Weight (lb.): 3 | Available qua...

    $100 USD
    Euclid, OH
34567

Overview

Relays are electrical components used to control a circuit by a separate low-power signal or multiple signals. They are essential in various applications, including industrial automation, automotive systems, and household appliances. Relays come in different types, such as electromagnetic, solid-state, and thermal, each suited for specific functions and environments.

FAQ

What factors should I consider when purchasing a relay?

Consider the relay's voltage and current ratings, the type of relay (electromagnetic, solid-state, etc.), and the environmental conditions it will operate in. Compatibility with your existing system is also crucial.

How can I ensure my relay is shipped safely?

Ensure the relay is packed in anti-static packaging and cushioned to prevent damage during transit. Use a reliable shipping service that handles fragile electronic components.

What maintenance is required for relays?

Regular maintenance includes checking for signs of wear or damage, ensuring connections are secure, and occasionally cleaning contact points if applicable. Follow the manufacturer's guidelines for specific maintenance procedures.