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| Product Name: |
KYN28A-12(GZS1) Metalclad Switchgear
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| Specifications |
KYN28A-12(GZS1) Metalclad Switchgear |
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GENERAL
KYN28-12 indoor metalclad drawout switchgear is designed to be complete distribution equipment with three-phase A.C. singe busbar and single busbar section system having a rated voltage of 3.6~12kV and rated frequency of 50Hz.The switchgear is mainly employed in receiving and distribution of power energy from the network as well as starting of large-sized HV motors. In addition, the switchgear is provided with controlling, protection and monitoring functions. The switchgear conforms to IEC 298,GB 3906,DL/T404-91 and other standards. The switchgear itself owns five prevention functions such as prevention of misoperation of circuit breakers, prevention of pushing or pulling truck with load, prevention of closing earth switch under voltage, prevention of supplying power when earth switch is at the earth position and prevention of entering the electrical separation zone by accident. The switchgear selects not only VS1 vacuum circuit breakers but also ABB made VD4 vacuum circuit breaders, thus recogninzed as power distribution equipment with excellent performance.
SERVICE CONDITIONS
1.Normal service conditions
， Ambient temperature
Upper limit +40℃
Lower limit -25℃
， Altitude 2000m
， Relative humidity daily mean not greater than 95% monthly mean not greater than 90%
， Earthquake intensity not exceeding 8
2. Special service conditions
， If the switchgear is used in the severe conditions, an agreement must be made between customer
and manufacturer.
MAIN TECHNICAL PARAMETERS
Rated voltage(kV) 3.6/7.2/12
Power frequency withstand voltage(kV) 42(1min)
Impulse withstand voltage(kV) 75
Rated frequency 50Hz
Rated current (A) 630~3150
Rated short time withstand current(kA 4s) 16~50
Rated peak withstand voltage(kA) 40~125
Rated short circuit open current(kA) 16~50
Rated short circuit switching current(kA) 40~125
Rated voltage of open, close a |
| Company: |
Zhebao Electrical Group Co, Ltd
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| Contact: |
Ms. Fang Weiwei |
| Address: |
Yuzhang Road 88 Jianqiao |
| Postcode: |
310021 |
| Tel: |
86-571-88138813 |
| Fax: |
86-571-88155183 |
| E-mail: |
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