Smart Relay

Smart Relay

Electron Speed’s Smart Relay is a variable and robust component for implementation in motorsports systems. The Smart Relay provides many advantages over traditional relay systems:

  • Solid state, no moving parts to wear or rattle loose
  • Fully potted for excellent vibration dampening and moisture seal
  • Connections sized for the load, no need to use multiple pins in a connector to meet the needs of one wire
  • Full CAN integration for data analysis and remote control of the unit
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SKU: SR33 Categories: , Brands: .


  • Recommended operating voltage range:  8-18V
  • Maximum Smart Relay case temperature:  100C (212F).
  • Maximum ambient temperature assuming minimal airflow and full rated current flow:  90C (194F)
  • Reverse polarity protection for the Smart Relay (but not for attached devices).  (Will hard switch on to protect itself under reverse polarity)
  • Channel Inputs are looking for a ground sink of 7ma.
  • Channel Inputs are capable of continuous short to gnd or vbat
  • Quiescent current with no channels active and waiting for ignition signal: <50uA
  • Maximum, repeated, peak current per channel:  140 amps.
  • Intended steady state current per ratings:  15, 25 or 35 amps.
  • Flyback diodes clamp outputs at -1 volts.
  • Intended for both inductive and resistive loads. (pumps, fans, lights, etc.)

Additional information


15A Per Channel, 25A Per Channel, 35A Per Channel, 15A/25A/35A, NP01