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Topic: ATS-100 transfer switch Furnas relay supplier (Read 583 times) previous topic - next topic

ATS-100 transfer switch Furnas relay supplier

ATS-100 transfer switch Furnas relay supplier

We have the ATS-100 model transfer switch which has two Furnas 49MD109141 relays.  Each relay has three 50-amp contacts.  One relay closes for generator.  The other relay closes for shore power and mechanical & electrical features keep both from closing at the same time.

We are aware that BeamAlarm.com has Replacing a Transfer Relay good photos on how he changed relays.  But I am having difficulty finding a source to buy new Furnas relays.

Has anyone other than Karl changed out the relays in the ATS-100?  And does anyone know the name of a shop that sells the Furnas relays?

Relay points are replaceable, so we could just change the six contacts.

The ATS-100 is no longer manufactured and is not supported anymore.  We are aware of other manufacturers and other transfer switch models.  But for now we are interested in rebuilding our ATS-100.

Any help is appreciated.
 

Re: ATS-100 transfer switch Furnas relay supplier

Reply #1 –
Look in Granger, that would be a good start, also you might be able to repair/clean/lube the existing contactors.
The issue you might have finding replacement contctors is lack of mechanical interlocking.
I would switch to a newer setup.