Shunt trips accessories in qo breakers are factory installed only and can not be added to. Tutorial for wiring a shunt trip qo and qob circuit breaker. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2.
