Feature: 1. [PC Control] This circuit breaker allows for real time monitoring and remote control of power sources in homes, venues, and outdoor settings through PC, without the need for a gateway, wired connections, or additional accessories. 2. [Smart Technology] Transform any factory into a smart facility with this smart circuit breaker, enabling centralized control over machinery and flexible monitoring of power operations for enhanced efficiency. 3. [User Friendly Design] Featuring a manual switch handle for quick and responsive operation, motor opening and closing is easier. With mechanical opening lock to avoid accident caused by incorrect operation during power maintenance. 4. [Multi Purpose] Guards circuits and electrical equipment from overload and short circuits, and provides conservation against frequent starting of electric motors and overloads short circuits. 5. [Comprehensive Conservation] Includes over under voltage conservation, overload short circuit conservation, remote lock unlock conservation, and manual automatic operation. Specification: Item Type: Circuit Breaker Material: Flame Retardant PC Rated Voltage: AC400V Frequency: 50Hz 60Hz Number of Poles: 3P Shell Current Rating: 125A Breaking Capacity Icu: 6KA Lifespan: Mechanical 20000 Times, Electrical 4000 Times Cable Cross Section Area: 35mm² Installation: Installed on 35x7.5mm Standard Guide Rail Instantaneous Release Form: C Compliant with Standard: GB10963.1; IEC60898-1. Package List: 1 x Circuit Breaker 1 x User Manual Note: 1. This product only supports upper input and lower output. Do not reverse, otherwise the handle cannot be pushed upwards. Some distribution boxes have input lines at the bottom and output lines on top, in this case, our circuit breaker needs to be reversed. 2. The incoming terminal of the circuit breaker body needs to be connected to a 400V power supply. Then, the control section has two wires connected to socket 1 and 3 for passive control, as well as socket 2 and 3 for active control.