QBBA1 – Twin AC immune DC biased neutral line relay


The twin relays covered by this data sheet (see downloads) are for use in line circuits where operation of the relay is required to be dependant on the polarity of the current in the coil. They are also suitable when alternating current at industrial frequency may be present in the circuit.

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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