Quick Details
Description
- Place of Origin: Guangdong, China (Mainland)
- Brand Name: Powint
- Model Number: ZW32-12/630-20-2
- Max. Current: 630A
- Max. Voltage: 12KV
- Operation type: Intelligent Switch
- Model number: ZW32-12/630-20-2
- Type: vacuum circuit breaker
- pole numbers: 3
- Rated voltage: 12KV
- Rated current: 630A
- Certificate: ISO9001 ISO14001 OHSMS
- Color: grey
ZW32-12 is applied to three-phase AC 50Hz, rated voltage is 7.2 ~ 12kV of outdoor high voltage switch equipments.Circuit breaker in accord with the national standard GB1984 "high voltage AC circuit breaker" and "professional standards JB3855 3.6 ~ 40.5kV outdoor AC high-voltage vacuum circuit breaker" and the related IEC standards. Pole Mounted Circuit Breaker is widely used in10KV distribution network(power plant and substation for electric equipment control and protection),substations,industrial companies,mining companies etc.A circuit breaker having repeatedly interrupting and fast re-closing ability.
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NO.
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Item
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Unit
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Value
|
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1
|
Rated voltage
|
KV
|
12
|
|
2
|
1 minute rated work frequency withstand voltage
|
34/42/49
|
|
3
|
Rated lighting impulse withstand voltage(peak)
|
between phases, earthing 75
|
|
4
|
fracture 85
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|
5
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Rated current
|
A
|
630
|
|
6
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Rated short circuit drop-out current
|
KA
|
20
|
|
7
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Rated short circuit making current(peak)
|
50
|
|
8
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Rated dynamic current(peak)
|
50
|
|
9
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Rated thermal stability current(valid)
|
20
|
|
10
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Rated short circuit drop-out current times
|
times
|
30
|
|
11
|
Rated thermal stability time
|
s
|
4
|
|
12
|
Rated operating turn
|
|
O-0.3s-CO-180s-CO
|
|
13
|
Mechanical life
|
times
|
10000
|
|
14
|
Weight
|
kg
|
100
|
Located in the Zhuhai Hi-tech Development Zone , Zhuhai Powint Electric Co., Ltd. is a national high-tech enterprise and demonstration base of creative industrialization in China. As a key private science and technology company of "high-tech manufacturing, high-tech industry, high-tech service industry and featured marine economy and eco-agriculture", POWINT has passed CQC verification and been granted the title of "Guangdong Trustworthy and Contract-valuing Enterprise".
Since establishment, we have adhered to the key value concept of 'making profit through wholehearted services' and devoted to facilitate the mission of Smart Grid. By upholding the principle of 'resting upon excellent product quality for survival' and 'pursuing constant technological leadership for development', we have developed into one of the biggest new high-tech enterprises in the R&D, manufacturing and marketing fields of distribution power automation terminals in China. Besides, we have maintained lasting working relationships with several hundreds of clients, including Beijing Soji, Schneider Electric China, Chint and Togmai. Chinese state grid companies and south grid companies etc.
There is a high-level R&D team in our company which has yielded over 10 national inventions and patents for utility models. And we have sold more than 600,000 control terminals with proprietary intellectual property rights to places all over China.
Moreover, our company has maintained extensive technological cooperation with Hunan University in researching small current grounding system protection, and with Xi'an High Voltage Apparatus Research Institute in studying the new type of high voltage intelligent switch.
We also possess inspection equipments and production equipments imported with original packaging from the U.S., South Korea and Japan, including integrated tester for EMC, test cabinet for temperature and humidity, oscilloscope, microcomputer relay protection calibrator, vibration testing machine, surface mounter system and AOI which have provided reliable hardware for the company's R&D and product manufacturing work. In 2006, our company was authenticated with ISO9001 and ISO14001 certifications.
With scientific management tool, solid technical power, advanced processing equipment, well-developed quality insurance system as well as excellent after-sale service, we have won wide recognition of the masses of users in high-voltage switch industry and utility industry and have developed into a brand in the field of distribution power automation terminal
