Old Autocall Bell Found

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Retired STR-SG
Posts: 689
Joined: Wed Jun 11, 2014 5:22 pm
Location: west TN

Re: Old Autocall Bell Found

Post by Retired STR-SG » Wed Oct 14, 2015 7:04 pm

The "AC SERIES" on the data plate possibly means this bell was used in a series AC bell circuit which was common in very old fire alarm systems. Probably something like a 6 or 12 volt bell used in a 2.2 amp series circuit.

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