Description
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip-free toggle mechanism with quick-make, quick break action and positive handle indication A full line of factory installed accessories, such as shunt trips, auxiliary switches and alarm switches, is also available This handle tie converts any two adjacent 120/240 VAC, 1P side by side QOT circuit breakers to independent trip 2P.