The really abundant projects administration experiences and just one to one particular provider model make the substantial importance of organization communication and our easy understanding of your expectations for Factory directly Zn 28-12 Series Vacuum Circuit Breaker, We welcome new and outdated consumers from all walks of life to make contact with us for long run small business relationships and mutual success!
The really abundant projects administration experiences and just one to one particular provider model make the substantial importance of organization communication and our easy understanding of your expectations for China Circuit Breaker and Residual Current Circuit Breaker, We’re looking forward to establishing a mutually beneficial relationship with you based on our high-quality products and solutions, reasonable prices and best service. We hope that our merchandise will bring you a pleasant experience and carry a feeling of beauty.
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
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 |
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
The really abundant projects administration experiences and just one to one particular provider model make the substantial importance of organization communication and our easy understanding of your expectations for Factory directly Zn 28-12 Series Vacuum Circuit Breaker, We welcome new and outdated consumers from all walks of life to make contact with us for long run small business relationships and mutual success!
Factory directly China Circuit Breaker and Residual Current Circuit Breaker, We’re looking forward to establishing a mutually beneficial relationship with you based on our high-quality products and solutions, reasonable prices and best service. We hope that our merchandise will bring you a pleasant experience and carry a feeling of beauty.