The switchboard panels ShchO-90 are designed to receive and distribute the electrical energy of a three-phase current with a frequency of 50 Hz at a voltage of 0.66 Kv and protect outgoing lines from overloading and short-circuit currents.
Boards are completed from panels and serviced from the front side.
With a two-row arrangement of the panels, the switchboard is equipped with a bus bridge. The distance between the facades of the panels is 1500 or 2000 mm.
Climatic performance – U3 according to GOST 15150-69.
The degree of protection of panels in accordance with GOST 14254-96, the first digit in the designation of the scheme.
- for open execution – IP00, from the side of the IP20 facade.
- for closed execution – IP20, from the bottom of the IP00.