QECX1 – AC lamp proving relay


The relays covered by this data sheet (see downloads) are designed as lamp proving relays for AC circuits where the relay is connected in series with the lamp.

Mors Smitt Relays:

  • Modular plug in design.
  • Non weld contacts.
  • Silver and carbon impregnated with silver contact tips.
  • Proven reliability.
  • Low life cycle cost.



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