30 amp / 50 amp
We're considering a new FW and a couple of the options are upgrading the single AC to 15k with 2nd AC prep (I believe the prep is standard). There is also a 30 to 50 amp option. First question; if I...
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Each breaker can THEORETICALLY handle 50 amps, so total ampacity on L1 + L2 legs is a THEORETICAL 100 amps. Actual trip point of the breaker will depend on a number of factors (accuracy of calibration of thermal element in breaker, ambient temperature, etc.) just as it does on a single 30 amp breaker.
THEORETICAL power available on 50 amp service is 120 VAC x 50 amps/leg x 2 legs = 12,000 watts versus 30 amp service with 120 VAC x 30 amps/leg x 1 leg = 3,600 watts.
Rusty
THEORETICAL power available on 50 amp service is 120 VAC x 50 amps/leg x 2 legs = 12,000 watts versus 30 amp service with 120 VAC x 30 amps/leg x 1 leg = 3,600 watts.
Rusty
