English
The ZN12-40.5 series vacuum circuit breaker is the main switch thatcan be matched with switchgear series such as KYN-40.5,KYN1-35GBC-35,etc. The breaker is installed on a trolley inside theswitchgear, serving as a movable unit. Additionally, the circuitbreaker can also be installed in the XGN-40.5 switchgear for fixedinstallation. The circuit breaker and the switch are integrated.featuring a dedicated spring-stored energy operating mechanismthat can be operated with AC or DC stored energy, as well asmanually.
Ambient condition
Altitude:s1000m
Ambient air temperature: Upper limit +40°C, lower limit -25°C
Relative humidity: Daily average s95%, monthly average s90%Installation location: Should be free from fire hazards, explosion risks, severe polution, chemical corrosion, and strong vibrations.
