ZN23-40.5 extra working-Iife indoor vacuum circuit breaker is high voltage equipment of rated voltage 40.5KV, three-phase, suitable for control and protection switch of transmission and distribution system in mineral enterprises, substation and etc, specially used in metallurgy and electric furnace for steel, and etc where it need frequent switching.
The breaker complies with GB 1984-89 "AC high voltage circuit breakers"
The breaker is of handcart type, with rational structure, easy to maintain, safe operation, operated by CD1011 or CT1911 spring operating mechanism
Main technical parameters
Outline and mounting dimensions