Schneider Electric 18746 Circuit Breaker NG125L, 1P, 40A, B Characteristic

The Acti 9 NG125H circuit breaker by Schneider Electric is designed to protect electrical circuits from overload and short-circuit currents. With a 36kA interrupting capacity according to IEC/EN 60947-2 standards, this model features a 4-pole design with a nominal current of 40A and a 'C' tripping characteristic. It can be used for an operational voltage (Ue) of 380-415V AC and has an insulation voltage (Ui) of 690V AC. The breaker indicates its tripped condition through a red mechanical display on the front and a mid-position handle. It includes a test button for the tripping mechanism, allows for top or bottom feed, and boasts a switchgear with wear-reducing bounce feature. The unit's thermal-magnetic trigger unit technology ensures reliable protection, while optional side add-ons include indicators for switch position, fault trigger, shunt trip, under-voltage release, and over-voltage release. Additionally, the NG125H circuit breaker complies with IEC/EN 60947-2 standards and holds VDE certification.