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
450V / 8000A/inductive load
(time constant <0.5ms)

Opening time (RT)
< 5 ms at 1.75 A / 0.5 ms

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

Rating current
250 A at 105 °C

Maximum current
13000 A for 0.02s


Visit us at "The Battery Show Europe" in Hannover 15.-17. May 2018

Pyroswitch at "The Battery Show  Europe 2018" 

The Battery Show is the leading advanced battery trade fair showcasing manufacturing solutions along the supply chain, including battery materials, manufacturing, equipment, components, testing and recycling, across a range of industries including automotive, electronics, power tools, utilities, telecommunications and defence. Please visit us at booth 466.

For free tickets please register at


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