The MNS type withdrawable switchgear is a modular low-voltage switchgear assembly (hereinafter referred to as the device) that is factory-assembled using standard modules (FBA). This device is suitable for alternating current with a frequency of 50-60Hz and a rated working voltage of 660V or below, used for the control of power generation, transmission, distribution, energy conversion, and energy consumption equipment. The device complies with international standards such as IEC 439, VDE 660 Part 5, and the national standard GB 7251.

Basic Parameters:

Rated insulation voltage: 660V

Rated working voltage: 380V, 660V

Standard model: 90kA (maximum)

Electrical Performance:

①Maximum working current for main busbar: 5000A, 4700A

②Short-time withstand current (Is) for main busbar: 100kA (rms value)

③Short-time peak current for main busbar: 220kA

④Maximum working current for distribution busbar (vertical busbar): 100A

⑤Short-time peak current for distribution busbar (vertical busbar) - reinforced version: 130kA (maximum)