Sequential relay for electric furnace


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Old 02-16-16, 12:54 PM
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Sequential relay for electric furnace

Required help on reading the thermal disc info printed on top of the relay.
Product 12S22 H24V 305420.
T6-1237
H15-45 C1-30

L8934

Can anyone explain what these numbers represent.
 
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Old 02-16-16, 01:23 PM
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Who is the manufacturer of the relay?
 
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Old 02-16-16, 01:44 PM
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the manufscturer is therm o disc
 
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Old 02-16-16, 03:50 PM
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The first part is the part no: 12s22 12S series, Double Pole Single Throw
The second part tells you its operating voltage is 24 volts AC.

Not sure about the rest. I suspect the H15 line is telling you the range of on and off times.

Here's a link to the spec sheet in case it's useful: http://thermodisc.com/en-US/Products...20Bulletin.pdf
 
 

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