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Help CenterVSM-12(ZN73B-12/D) Series Indoor High-voltage 11KV Permanent Magnetic Vacuum Circuit Breaker/VCB
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VSM-12(ZN73B-12/D) Series Indoor High-voltage Permanent Magnetic
Vacuum Circuit Breaker
VSM series of indoor high voltage vacuum circuit breaker is adopted front and rare construction for their permanent magnetic and vacuum interrupters. The main conducting circuit is with floor-standing type, the upper and lower outlet terminal and vacuum interrupters are installed in one insulation house. The insulation house is casted with epoxy resin material by APG technology, which can protect the surface of the vacuum interrupters against dust accumulation and impact. It also has good insulation property under humid, hot and pollution ambient condition.
The vacuum circuit breaker with permanent mechanism is air-insulated, used for indoor installation for different kind of power load, it is suitable for electrical net construction and reconstruction project in municipal net, rural net, mineral and railway net system, especially used in that fields which require frequently switching and have some requirement for short circuit operation cycles. This product was introduced by some international advance technique and processing technology with characteristics of intelligence, high reliability, long endurance and free maintenance etc.
1.Ambient temperature: -25°C~+40°C.
2.The height above sea level: ≤ 1000 m.
3.Relative humidity: the average humidity of a day should be no more than 95%. the average humidity of a month should be no more than 90%.
4.Saturated vapor pressure: the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more than 1.8KPa.
5.Earthquake intensity: not exceed 8 degrees.
6.It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.
7.The product is accordance with standard of GB1984<HV AC. Vacuum circuit breaker>
NO. |
Item |
Unit |
Specification |
|||
1 |
Rated Voltage |
kV |
12
|
|||
2 |
Rated Current |
A |
630 |
1250 |
2000 |
3150 |
3 |
Rated Short-time Withstand Current |
kA |
25 |
31.5 |
31.5 |
40 |
4 |
Rated Thermal Stability Current(valid) |
25 |
31.5 |
31.5 |
40 |
|
5 |
Rated Short-circuit Breaking Current |
25 |
31.5 |
31.5 |
40 |
|
6 |
Rated Short-circuit Closing Current(peak value) |
63 |
80 |
80 |
100 |
|
7 |
Rated Dynamic Stability Current(peak value) |
63 |
80 |
80 |
100 |
|
8 |
1min Power Frequency Withstand Voltage |
kV |
2 |
|||
9 |
Thermal Stability Time |
s |
4 |
|||
10 |
Rated Lighting Impulse Withstand Voltage(peak value) Phase to Ground/Fracture |
kV |
75/85 |
|||
11 |
1MIN Power Frequency Withstand Voltage(valid)Phase to Ground/Fracture |
kV |
42/58 |
|||
12 |
Mechanical Life |
Times |
30000 |
|||
13 |
Rated Operation Sequence |
|
O-0.3S-CO-180S-CO |
|||
14 |
Rated Short-circuit Current Breaking Times |
Times |
50 |
|||
15 |
Rated Current Breaking Times |
Times |
30000 |
|||
16 |
Permanent Magnetism Mechanism Closing, Opening/Auxiliary Power Voltage |
V |
AC DC220 |
|||
1.Over 20 years of manufacturing experience with good quality & stable product performance.
2. Hossin provides full line of MV-HV electrical products, including drop-out fuse, disconnector, surge arrester, vacuum circuit breaker, fuse, load switch, insulator etc.
3. Quick feedback, Timely quotation, Fast delivery
4. Complete set of testing machine to ensure product quality.
5. Hossin can customize non-standard product as per client’s requirement.
6. Hossin sells pressing parts& pressing mould at low price.
7. Hossin offers electrical installation & commission service.
To order the vacuum circuit breaker, please let us know below info:
1. Rated Voltage
2. Rated Current
3. Rated Breaking Current
4. Fixted type or Draw-out Type
Send Inquiry to This Supplier
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