Pyroswitch – PSS-4 (NC)
Battery Disconnection Switch PSS-4

A pyrotechnical actuator separates the electric connection irreversibly. Pyrotechnical actuator is to be installed in EV vehicles and hybrid vehicles. It is triggered by the ECU, and is used to separate the motion battery from the electrical system.

Product highlights

  • 0.1 milliseconds separation time
  • For electrical cars
  • High and low circuit

Product details

Switching capacity
540V / 15.000A/inductive load
(time constant <0.5ms)

Opening time (RT)
< 2 ms at 1.75 A / 0.5 ms

Functioning temperature range
-40°C / +125°C

Rating current
350 A at 105 °C

Maximum current
25000 A for 0.05s


EVS31 – 31st International Electric Vehicle Symposium & Exhibition in Kobe Japan

Pyroswitch at "EVS31 in Kobe Japan" 

Autoliv Pyroswitch at EVS31. The EVS31, the largest trade fair and conference event for electric mobility, brought together academics, researchers, industry experts and politicians from around the globe to discuss latest developments and trends in all aspects of electromobility, its technologies and infrastructure.

Autoliv will take the opportunity to use this important meeting point to get in contact with international customers and decision-makers to show and discuss the potential of our safety products.

visit us at booth 224.



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