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Reading label on a circuit breaker
I have a under voltage shunt trip NOARK SHT3111UC 12-24V AC which controls a 4 pole EX9BP-N C 25A 1000V IEC/EN 60947-2 Ic=6KA  THE cb are connected in series as shown in the photo

The shunt trip was in the LG RESU HV system I picked up a couple weeks ago. 25A  doesn't seem  a lot till you figure it at the voltages the unit ran at 350-550v. This was in the dc-dc converter. I hadn't seen a Cb connected like this before.

Later floyd

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