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ZW32-12D automatic with PT outdoor vacuum circuit breaker 12KV factory direct
Overview
ZW32-12 outdoor high voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is an outdoor distribution equipment with rated voltage of 12kV and three-phase AC of 50Hz.It is mainly used to open and close load current, overload current and short circuit current in power system.It is suitable for the protection and control in the power distribution system of substation and industrial and mining enterprises, as well as the places where the rural power grid is frequently operated. The circuit breaker has the characteristics of small volume, light weight, anti-condensation, free maintenance and so on. It can adapt to the harsh weather conditions and dirty environment.
serial number
project
units
data
1
The rated voltage
KV
12
2
Rated frequency
Hz
50
3
Rated current
A
630
4
Rated short circuit breaking current
KA
20
5
Rated peak tolerable current (peak)
KA
50
6
Rated short-time tolerable current
KA
20
7
Rated short circuit closing current (peak)
KA
50
8
Mechanical life
next
10000
9
Rated short circuit breaking current breaking times
next
30
10
Power frequency withstand voltage (1min) :(wet) (dry) phase, to ground/fracture
KV
42/48
11
Lightning shock withstand voltage (peak) phase, to ground/fracture
KV
75/85
12
Power frequency voltage resistance of the secondary circuit for 1min
KV
2
Conditions of Use
1. Ambient air temperature: upper limit +40 degrees, lower limit -40 degrees. 2. Altitude: ≤2000m. 3. Wind pressure: no more than 700Pa. 4. Earthquake intensity: no more than 8 degrees. 5. Pollution level: Grade IV. 6. The maximum daily temperature difference: no more than 25 degrees. 7. Relative humidity: the daily average is not more than 95%, and the monthly average is not more than 90%. 8. There is no place where there is flammability, explosion hazard, chemical corrosion and severe vibration.
Structural features
1. The circuit breaker adopts a three-phase pillar structure, which has the characteristics of stable and reliable breaking performance, no burning and explosion hazard, maintenance-free, small size, light weight and long life. 2. The circuit breaker adopts a fully enclosed structure with good sealing performance, which helps to improve the moisture-proof and anti-condensation performance, and is especially suitable for use in severe cold or humid areas. 3. The three-phase pillar and current transformer adopt imported outdoor epoxy resin solid insulation, or use internal epoxy resin outsourcing organic silicon rubber solid insulation; it has the characteristics of high and low temperature resistance, ultraviolet resistance, and aging resistance. 4. The operating mechanism adopts a miniaturized spring operating mechanism, the power of the energy storage motor is small, and the energy consumption of opening and closing is low; the mechanism transmission adopts the real motion transmission mode, the number of parts is small, and the reliability is high. The operating mechanism is placed in a sealed mechanism box, which solves the problem of corrosion of the operating mechanism and improves the reliability of the mechanism. 5. The opening and closing operations of the circuit breaker can adopt manual or electric operation and remote remote control operation. It can be matched with an intelligent controller to realize power distribution automation, and can also be combined with a recloser controller to form an automatic recloser and a sectioning device. 6. The circuit breaker can be equipped with two-phase or three-phase current transformers for over-current or short-circuit protection, and can also provide current acquisition signals to the intelligent controller; current transformers for metering can be installed according to user requirements. 7. The circuit breaker can be equipped with a three-phase linkage isolating switch. When the isolating switch is open, there is an obvious fracture, and it has an anti-misoperation interlock device with the circuit breaker body. Only when the isolating knife is completely closed or completely The circuit breaker can only be operated when it is open. Arrester post insulators can be connected to make maintenance easy.
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Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
200000-500000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Wenzhou Qiupu Electric Power Co., Ltd. is located in Yueqing Economic Development Zone, Zhejiang Province. It is a high-tech enterprise specializing in the research and development, production and sales of electric power products such as circuit breakers, transformer... Wenzhou Qiupu Electric Power Co., Ltd. is located in Yueqing Economic Development Zone, Zhejiang Province. It is a high-tech enterprise specializing in the research and development, production and sales of electric power products such as circuit breakers, transformer...
