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China Wholesale Polylok 20 Distribution Box Products – ZN85-40.5 Indoor AC high voltage vacuum circuit breaker – L&R
China Wholesale Polylok 20 Distribution Box Products – ZN85-40.5 Indoor AC high voltage vacuum circuit breaker – L&R Detail:
Normal Service Conditions
Ambient airtemperature: -10℃-+40℃
(Storage Temperature: -30℃)
Altitude: <1000m; Daily average value of relative humidity: ~95 %
Monthly average value of relative humidity: <. 90 %
Daily average value of water vapor pressure: ~22 x 10-3MPa Monthly average value of water vapor pressure: <. 1.8x 10″MPa Earthquake grade less than Degree 8
The ambient air is not significantly polluted by dust, smoke, corrosive and/or flammable gases, vapours or salt
Product Parameter
|
Description |
Unit |
Specification |
|
Rated voltage |
kV |
40.5 |
|
1min power frequency withstand voltage |
KV |
95 |
|
Lighting impluse withstand voltage peak |
KV |
185 |
|
Rated frequency |
Hz |
50 |
|
Rated current |
A |
1250 1600 2000 |
|
Rated short circuit withstand current |
KA |
202531.5 |
|
Rated peak withstand current |
KA |
506380 |
|
Rated short time duration |
s |
4 |
|
Rated short time breaking current |
KA |
202531.5 |
|
Rated short time making current |
KA |
506380 |
|
Rated operating sequence |
|
O-0.3s-CO-180s-CO |
|
Breaking time |
m.s |
<80 |
|
Rated short-circuit breaking current breaking times |
time |
20 |
|
Single capacitor bank breaking current |
A |
630 |
|
Back to back capacitor bank breaking current |
A |
400 |
|
Rated operating voltage |
V |
^110=200 |
|
Mechanical life |
time |
20000 |
Size
FAQ
Q1: Are you factory?
A. Yes, We have 3 factories.
Q2: Are the samples free?
A: Most are free, some items need discuss.
Q3: What kind of payment do you accept?
A: We accept T/T,L/C. PAYPAL. WESTERN UNION
Q4: Are you always available?
A: Yes i am online even in holiday! I will try my best to make you satisfied, If you need any help in china, please contact me. We are your right choice
Product detail pictures:
Related Product Guide:
Sticking towards the principle of "Super High-quality, Satisfactory service" ,We've been striving to become a superb business partner of you for China Wholesale Polylok 20 Distribution Box Products – ZN85-40.5 Indoor AC high voltage vacuum circuit breaker – L&R , The product will supply to all over the world, such as: Buenos Aires, Finland, Mali, We attained ISO9001 which provides solid foundation for our further development. Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments. It is our great honor to meet your demands. We are sincerely expecting your attention.
By Betty from Iceland - 2018.07.27 12:26
This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
By Carey from Nigeria - 2018.06.26 19:27
