ZN23- 40.5 series handcart type indoor vacuum circuit breaker for the high voltage rated 40.5kv, three- phase AC 50Hz indoor high-otage electrical equipment. Apply to industrial and mining enterprises, substation and transmission and distribution systems for control and protection switching; particularly suitable for metallurgy. electric arc steel-making industries, elc. frequent operation required, as a control and protection equipment.
ZN23-40.5 Series meet GB1984-89<AC HIGH VOLTAGE CTRCUTT BREAKER> Standards.