... device for 3.6~24 SpecificationsHigh voltage Switchgear GZS1 type similar as ABB ZS seriesGeneralGZS1 indoor metal-clad withdrawable switchgear(hereinafter ... system of factories, mines and enterprises, and starting of large high-voltage motor, etc.,so as to control, protect and monitor ... GB3906-91.In addition to be used with domestic VS1 vacuum circuit breaker, it can also be used with VD4 from ABB, ...