HMLS series switchgear is a combined low voltage device assembled with standard modules, suitable for power system of AC 50Hz or 60Hz, rated working voltage 660V and below, used to generate, transmit, distribute and convert the electric energy and control the electric energy consumption device.

Rated insulation voltage	660V
Rated working voltage	380V
Main bus-bar (max working current)	5500A (IP 00) 4700A(IP 30)
Main bus-bar short-time withstand current (1s)	100 KA (Virtual value)
Main bus-bar peak withstand current	250 KA (Max value)
Vertical bus-bar (max working current)	1000 A
Vertical bus-bar short-time peak current	Standard type: 90 KA (Max value) Strengthening type: 130 KA (Max value)