GTZL series with residual current protected circuit breaker, its rated insulation voltage is 690V, suitable for AC 50Hz/60Hz, rated working voltage 400V and below, rated operating current 63A to 630A distribution network. The circuit breaker has the functions of overload, short circuit, residual current (leakage), phase loss, undervoltage, overvoltage, zero-side protection of the power supply side and automatic reclosing function, and is an ideal product for rural and urban rural network transformation and use.

Standard: GB/T14048.2（IEC60947-2）