ZN28(A)-12Indoor High-voltage vacuum circuit Breaker
Detailed Product Description
Instruction,
ZN28-12 series vacuum breaker is a kind of indoor high-voltage electric equipment with rated pressure12Kv,triphase AC 50Hz. This breaker agrees with GB1984-1989 standard. Its general structure has two types ,one is installation combining switch body and operation agency together, the other is installation with switch body and operation agency separated. one-piece construction is ZN28-12 basic type, separated construction is ZN28A-12 type that applies to all kinds of fixed type switchgear ,such as GG-1A(Z),XGN2A10(Z) and so on.
This breaker can be used with CD17CD10A AC electromagnetic operation agency and CT19 spring power storage type of operation agency.
Using conditions,
a. ambient air temperature , upper limit +40 , lower limit -15
b. elevation≤1000If there is any need to increase the elevation, the rated insulation level should be increased properly
c. amplitude, earthquake intensity less than 8
d. daily average value of relative humidity should be less than 95%, monthly average level should be less than 90%
e. no fire ,no danger of explosion ,no rusty gas, and no violent exercise
ZN28(A)-12Indoor High-voltage vacuum circuit Breaker
Other Products from this Supplier
See more
vacuum circuit Breaker, Indoor High-voltage vacuum, medium voltage vacuum circuit breaker products from this supplier.
Product Showcase[30]
Products
- Circuit breaker [71]
- Load break switch [50]
- high and low voltage switch cabinet [45]
- Cable branch box [27]
- Contactor and Relay [26]
- electric substation [7]
- terminal connector [9]
- Automatic transfer switch [14]
- Cable joint [20]
- connector and terminal [6]
- Cable tie [3]
- splicing fitting [7]
- Others [58]
Company Info
Daya Electric Group Co., Ltd.
[China]
[Verified Member]
Online Postings: Products
Business Type:Manufacturer, Trading Company
City: Wenzhou
Province/State: Zhejiang
Country/Region : China