Product Overview

BO series molded case circuit breakers (hereinafter referred to as circuit breakers) are a new type of circuit breaker developed by our company based on international advanced design and manufacturing technology. With rated insulation voltage of 690V, it is suitable for infrequent switching and infrequent motor starting in circuits with 50Hz AC, 400V rated working voltage and below, and 400A rated working current. The circuit breaker has overload, short-circuit, and undervoltage protection functions to protect the circuit and power equipment from damage.

This series of circuit breakers are characterized by compact structure, small size, high breaking height, short flashover, and complete internal and external accessories.