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Relay showing voltage while contacts open

  1. Apr 1, 2014 #1
    Hi, I am simulating a switch system on multisim which I have constructed using a normally open contact relay. The problem I am having is that before the coil is energised, I am observing about 15mV on the main circuit side when the contacts are supposedly open. Is this normal? When the coil is energised and the contacts close, the voltage raises to the value of the supply as would be expected?
  2. jcsd
  3. Apr 1, 2014 #2


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    Staff: Mentor

    Can you post a screenshot of the schematic? If you explicitly set the Initial Conditions with 0V on that side before starting the simulation, does it stay zero for some time before you close the relay? Is it just a floating node, or is there something connected to it?
  4. Apr 1, 2014 #3


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    Gold Member

    If it is a solid state relay it could be leakage. What is your relay model?
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