Relays are electromechanical switches in which the variation of current in one electric circuit controls the flow of electricity in another circuit.

What are you looking for in Relays and Relay Accessories?

Aerospace contactors are high-performance, high-capacity, circuit controls designed for aerospace applications.
Search by Specification  |  Learn more about Aerospace Contactors

Electrical Contactors (130 suppliers)

Electrical contactors are used to switch high power in power circuits. Unlike relays, these electrical devices are normally connected directly to the load or current-carrying circuit.
Search by Specification  |  Learn more about Electrical Contactors

Electromechanical relays are devices that complete or interrupt a circuit by physically moving electrical contacts into contact with each other.
Search by Specification  |  Learn more about Electromechanical Relays

High Voltage Relays (96 suppliers)

High voltage relays are used to transfer power for high voltage and high frequency applications. They are heavily insulated and consist of strong materials to increase contact life.
Search by Specification  |  Learn more about High Voltage Relays

Motor Contactors (298 suppliers)

Motor contactors are relays with large current capacity for connecting and disconnecting a motor from the power supply. Typically, motor contractors are multi-pole for control of all current carrying conductors.
Search by Specification  |  Learn more about Motor Contactors

Motor starters and contactors are motor-starting devices. They combine a contactor with overload protection and are designed for starting AC or DC motors.
Search by Specification  |  Learn more about Motor Starters and Contactors

Protective relays and monitoring relays detect or monitor for abnormal power system conditions.
Search by Specification  |  Learn more about Protective Relays and Monitoring Relays

Reed Relays (96 suppliers)

Reed relays are electrically-operated switching devices that consist of two thin, magnetic strips (reeds) encapsulated in a glass envelope. They are used to switch industrial components such as solenoids, contactors and starter motors.
Search by Specification  |  Learn more about Reed Relays

Relay Sockets (156 suppliers)

Relay sockets are devices that accept relays, electromechanical switches in which the variation of current in one electric circuit controls the flow of electricity in another circuit.
Search by Specification  |  Learn more about Relay Sockets

Safety Relays (162 suppliers)

Safety relays and control modules differ from conventional relays in that they have force-guided or positive-driven contacts.
Search by Specification  |  Learn more about Safety Relays

Solid State Relays (615 suppliers)

Solid state relays (SSR) or semiconductor relays are semiconductor devices that can be used in place of mechanical relays to switch electricity to a load in many applications.
Search by Specification  |  Learn more about Solid State Relays

Overload relays prevent an electric motor from drawing too much current and overheating; includes thermal and solid state overload types.
Search by Specification  |  Learn more about Thermal Overload Relays

Time Delay Relays (257 suppliers)

Time delay relays and solid state timers use solid state electronic devices to provide a time delay.
Search by Specification  |  Learn more about Time Delay Relays

Product Announcements
Mitsubishi Electric Automation, Inc.
Hasco Relays and Electronics International Corp.
e-newsletter sign up
product alert sign up