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Automotive Solid State Relays

Conserve vehicle battery charge and gain control of electrical systems by installing automotive solid state relays made by Littelfuse. These normally open dc solenoids have dual poles and allow both high side and low side switching of currents up to 500 A.
  • Continuous current rating of 200 A
  • Inrush current rating of 500 A
  • Maximum voltage rating of 12 V
  • Dustproof and waterproof ratings of IP67
  • Meet the ISO 8846 standard for use in explosive atmospheres
  • Can function as a normally open relay or latching relay depending on how the user wires the relay
  • Solid state construction eliminates arc flashes and enables survival of vibrations and road splashes that could disable electromechanical relays
  • Protected against short circuits and overheating
  • Optional LED warning light

Automotive Solid State Relays Parts

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Automotive Solid State Relays Applications

Highlights Section

  • Construction equipment
  • Heavy-duty trucks
  • Material handling equipment
  • Marine vehicles
  • Offroad vehicles
  • Specialty vehicles such as garbage trucks

Automotive Solid State Relays Resources

Automotive Solid State Relays Support

Frequently Asked Questions

What are automotive solid-state relays?

Automotive solid-state relays are switching devices that use the electrical and optical properties of semiconductors to control the flow of current through a circuit.

How do automotive solid-state relays work?

Unlike electromechanical relays, solid-state relays (SSRs) have no moving parts. Instead of using a coil to create a magnetic field, SSRs control the flow of electricity by enabling or disabling electron flow through a semiconductor. This means that an SSR does not arc when opening or closing the circuit.