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S series main / emergency-off switch
with low-voltage circuit breaker

Elektra S series main switches with a low voltage circuit breaker provide protection against automatic restarting when power is restored following a power cut. They fulfil the requirements of DIN EN 60204 Part 1, clause 7.5 by means of a low-voltage circuit breaker coil, which has a mechanism that after any power cut causes the switch to jump back into the 0 position. If there is no power, the switch cannot be turned on.

Additional equipment

  • Power bus connection
  • Extra terminal clamp for control current circuit
  • Auxiliary contacts' function