ZN85 40.5kV 1250A Indoor Vacuum Circuit Breaker

Do Better Performances in Demanding Duties
Yueqing Aiso gain client trust thanks to their proven reputation for reliability, performance and long life. ZN85 40.5kV 1250A Indoor Vacuum Circuit Breaker from Yueqing Aiso are available for original equipment manufacturers (OEM) to incorporate in their own installations or for use in repair, retrofit and upgrade projects.

Why Yueqing AIso?
1,Full engineering and technical support: 3 professional manufacturers, and technical service team.
2,Quality is No1 ,our culture.
3,Quickly lead times:”Time is gold” for you and for us
4,30min fast response:we have professional team,7*20H


ZN85-35 Product Description

ZN85 40.5kV 1250A Indoor Vacuum Circuit Breaker:

ZN85 indoor high-voltage alternating-current vacuum circuit breaker has a frequency of 50Hz and a rated voltage of 40.5kV. It applies to the electrical equipment control and protection in industrial and mining enterprises, power plants and substations, particularly to the places needing frequent operation. It can be fixed in a switch cabinet or installed on a handcart.
With stable performance and convenient installation, it is the best choice for the control and protection of high-voltage power transmission and distribution systems.

Environmental Conditions 
Ambient temperature: – 40℃~+40℃ (below 35°C within 24 hours)
Relative humidity: ≤95% (daily average) or ≤90% (monthly average)
Altitude:  ≤ 1000m

Structure and Function

35kV Vacuum Circuit Breaker Main Technical Parameters

Description Unit Data
Rated voltage KV 33,35
Max. voltage KV 40.5
Rated frequency Hz 50/60
Rated current A 630/1250
Rated short-circuit breaking current kA 20/25/31.5
Mechanical life Times 10000

Note:Please contact the factory to confirm the latest parameters

Outline and installation dimension

ZN85 40.5kV 1250A Indoor Vacuum Circuit Breaker
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