Pyroswitch, protection in milliseconds - in case of crash or other impact

Triggered by eg. airbag control units the pyrotechnic safety switches PSS of Autoliv disconnect the power source from the circuit board in thousandth of a second in the event of an accident or a fault.

Safety for occupants and rescue services

  • Emergency power off
  • Protecting the electronics and the e-drive for hybrid, fuel cell and electric cars
  • High current is prevented from entering the vehicle body and open vehicle parts
  • Power supply continues to be fed for safety functions such as flashing warning lights, central locking or emergency call
The PSS is connected between the power set and the battery

News & Press

The 28th International Electric Vehicle Symposium and Exhibition (EVS28)

The 28th International Electric Vehicle Symposium and Exhibition (EVS28) was held at KINTEX, in Goyang, Korea from May 3 - 6, 2015. Under the theme of "e-Motional Technology for Humans. ... more

Pressrelease 14. September 2011

Autoliv is seeing high interest for its Pyrotechnic Safety Switch (PSS) from numerous OEMs.

This year Autoliv expects to produce 1.6 million units of the PSS. Production volumes are expected to more than double over the next three years. ...more


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