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Cheap 12kv 1250A vacuum circuit breaker Manufacturer - ZW32-12 Vacuum Circuit Breaker – L&R
Cheap 12kv 1250A vacuum circuit breaker Manufacturer - 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:
Our products are broadly regarded and reliable by end users and can meet up with constantly transforming financial and social requires of Cheap 12kv 1250A vacuum circuit breaker Manufacturer - ZW32-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Sevilla, Holland, Cairo, With the development and enlargement of mass clients abroad, now we've set up cooperative relationships with many major brands. We've our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the "quality first, customer first, We are provideing high-quality, low-cost items and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.
By Princess from French - 2018.06.12 16:22
Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
By Lillian from United States - 2018.02.12 14:52
