Product Center
China Wholesale Hvac Duct Distribution Box Supplier – ZW32-12 Vacuum Circuit Breaker – L&R
China Wholesale Hvac Duct Distribution Box Supplier – ZW32-12 Vacuum Circuit Breaker – L&R Detail:
Parameter
|
Description |
Unit |
Specification |
|
|
Rated voltage |
kV |
12 |
|
|
Rated Insulation level |
min power frequency withstand voltage Dry |
kV |
42 |
|
1 min power frequency withstand voltage Wet |
kV |
34 |
|
|
Lightning impulse withstand voltage (peak) |
kV |
75 |
|
|
Rated Current |
A |
630 |
|
|
Rated short circuit breaking current |
KA |
20 |
|
|
Rated operating sequence |
|
O-0.3s-CO-180s-CO |
|
|
Nos of breaking rated short circuit breaking current |
time |
30 |
|
|
Rated short circuit making current(peak) |
kA |
50 |
|
|
Rated peak withstand current |
kA |
50 |
|
|
Rated short time withstand current |
kA |
20 |
|
|
Duration of rated short circuit current |
s |
4 |
|
|
Opening time (Shunt tripping) |
Highest operating voltage |
ms |
15-50 |
|
Rated operating voltage |
ms |
15-50 |
|
|
Lov/est operating voltage |
ms |
30-60 |
|
|
Closing time |
ms |
25-50 |
|
|
Full breaking time |
ms |
SOO |
|
|
Arcing time |
ms |
s20 |
|
|
technical endurance |
time |
10000 |
|
|
Rated Input power of charging motor |
W |
40 |
|
|
Rated operating voltage and rated voltage of auxiliary circuit |
V |
DC220 110 24 |
|
|
DC220 110 24 |
|||
|
Charging time at rated voltage |
s |
M10 |
|
|
Over-current release |
Rated current |
A |
50 |
|
Accuracy of tripping current |
% |
±10 |
|
Use Environment
Environmental Conditions for Use
Altirude: not greater than 2000m;
Contamination Level: Level IV:
Ambient air temperature: 40 ℃-+40 ℃:
Daily temperature difference: daily variation of 25 ℃;
Wind speed not greater than 35m/s
Earthquake intensity of not greater than M8
Places without flammable, explosive hazards, and chemical corrosion
Dimension
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:
We support our purchasers with ideal high-quality merchandise and significant level company. Becoming the specialist manufacturer in this sector, we now have received loaded practical encounter in producing and managing for China Wholesale Hvac Duct Distribution Box Supplier – ZW32-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Indonesia, Armenia, Paraguay, Strict quality control is executed in each link of the whole production process.We sincerely hope to establish the friendly and mutual-beneficial cooperation with you. Based on high quality products and perfect pre-sales /after-sales service is our idea, some clients had cooperated with us for more than 5 years.
By Pandora from US - 2018.09.12 17:18
In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
By Janet from Poland - 2018.03.03 13:09
