Switches • Relays • Solid State Relays

Used to control DC motors, AC motors, and solenoids on industrial production lines, a solid-state relay is an electronic switch that produces a voltage between a metal–oxide–semiconductor field-effect transistor (MOSFET) source and its gate – causing the MOSFET to turn on.Unlike mechanical relays, solid-state relays feature no moving parts, which means no wear and increased lifetime for the relay. Solid-state relays are also faster than electromechanical relays, as solid-state relays’ switching times are dependent on the time needed to power a light-emitting diode. This time typically ranges from microseconds to milliseconds.Solid-state relay types include photo-coupled – which are controlled by a low voltage signal that is optically isolated from the load - transformer-coupled, and hybrid.

Filter by state

  • Rockwell Automation

    Rockwell Automation distributes a line of Allen-Bradley brand solid state relays that are compatible with a variety of industrial controllers including PLCs and temperature controllers. Styles of solid state relays include: flat pack, hockey puck, miniature ice cube socketed, square base socketed, and tube base socketed. Each relay's maximum load current ranges from 3A to 40A depending on model and type. Rated control voltage of each relay varies from 4VDC to 24VDC.

  • Thermal Devices

    Thermal Devices is a supplier of DIN-RAIL, three phase, and "hockey puck"-style solid state relays. The hockey puck relays feature 4-32 vdc input control voltage or 100-280 VAC input control signal. The DIN-RAIL are available in .10-25 Amp and .10-40 Amp models, with the three phase relays featuring 48-660 VAC line voltage.

  • Crydom (CST)

    Crydom is a manufacturer that focuses solely on solid state relays. The company's product line includes a number of solid state relays including: control relays, DIN rail mount, panel mount, PCB mount, PCB mount 16 Pin DIP, and PCB mount mini-sip.

  • Schneider Electric

    Magnecraft manufactures a family of solid state relays including miniature, "hockey puck"-style, and SSRDIN types. The company's miniature solid state relays are designed for medium or low power loads where space is limited. Several of Magnecraft's relays - including the SSRDIN - are DIN or panel mountable.

  • TE Connectivity

    TE Connectivity manufactures high performance solid state relays, and solid state relays and input/output modules designed for industrial automation systems. The company's line of high performance relay types includes AC output (2, 10, and 25 Amp), bidirectional, and DC output (2 Amp). The TE family of solid state relay types include: "hockey puck," DIN mount, miniature SIP, Amp SIP, dual AC output, and quad AC output.

  • Omron Electronic Components

    Omron manufactures and develops non-contact solid state relays for heater control and three-phase motors. The heater control products enable temperature control for reflow ovens, molding machines and sintering ovens. The three-phase motor solid state relays are utilized with conveyor belts.

  • Teledyne

    Teledyne is a manufacturer of solid state relays for the power, military and aerospace industries. The company's line of power solid state relays includes: DC output, single-phase AC output, dual output AC, three-phase, and quad output AC. Relays intended for military and aerospace applications include DC solid state relays, bi-directional solid state relays, and AC solid state relays.

  • Opto 22

    Opto 22 manufactures five series of solid state relays, all of which have 4,000 volts of optical isolation between the field side and control side. The company's product line includes small footprint, circuit board-mounted relays; low profile, circuit board-mounted relays; rugged relays with voltage and current options; all-plastic, quick connect relays; and relays with an integral heatsink.

  • Siemens

    Siemens is a supplier of solid state overload relays for standard and high feature applications. The relays intended for high feature applications protect loads as a function of the current, while also protecting loads as a function of the temperature when a PTC thermistor is connected. All solid state relays supplied by Siemens can be directly mounted to contactors or separately mounted within a control panel.


    AMETEK is a manufacturer of solid state relays, compact solid state relays, and plug in-style solid state relays. The compact and plug in models are for use in constricted installations typically found in dispensing machines and coffee markers. The company's solid state relays are for use in food, drug and chemical processing applications.

  • Vishay Intertechnology, Inc.

    Vishay manufactures 60V solid state relays and high speed solid-state relays. The company's high speed relays feature a load voltage of 60V and load current 2 A DC configuration. These high speed relays are utilized for instrumentation, industrial controls and security applications.

  • Crouzet Motors

    Crouzet manufactures a number of solid state relay series. Solid state relay types include: panel mount AC output; DIN rail; panel mount Triac output; panel mount DC output; obsolete; three-phase panel mount; motor-reversing; and PCB mount.

  • Heilind Electronics

    Heilind Electronics supplies solid state relays manufactured by Aromat, CII, Fujitsu, Omron, and P&B. Solid state relays supplied by the company are used in automotive, elevator control, industrial control, military, aerospace, office equipment, robotics, and telecom applications.

  • AMPS Abundant

    Amps Abundant is a supplier of replacement parts - including solid state motor relays - for semiconductor applications. Relays sold by the company feature current ratings from 22A to 2500A, with voltage ratings spanning 600V to 4500V.