Medium Voltage Switchgear
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Type UDQ metal-clad withdrawable Switchgear (hereafter called switchgear), is a 3-phase AC 50Hz/60Hz, 7.2~15KV single busbar sectionalizer system, manufactured by Zhenjiang Daqo Intelligent Electrical Systems Co.,Ltd., for application in indoor distribution networks. It is used in a wide variety of applications: power plants, main transformer stations or substations, industrial applications, public utilities, etc. for electricity distribution, circuit control, protection and measuring.
The switchgears can be equipped with circuit breaker (vacuum contactor)which is Domestic Brand or International Brand. The switchgears also comply with the requirements of China and abroad, and such special requirements as "Five Prevention", full enclosed, full connection, full insulation, full condition, etc.
UDQ Switchgear is designed and and manufactured in compliance with the following standards:
- International Electrotechnical Commission Standard:
IEC 62271-200 AC metal-enclosed switchgear and control gear for rated voltages above 1KV and up to 52KV
IEC 62271-1 Common specifications for high-voltage switch gear and control gear standards
IEC 62271-100 High-voltage alternating-current circuit-breakers
- GB standards:
GB/T3906-20203~35KV AC metal-enclosed switchgear and control gear
GB/T11022-2020 Common technical requirements for HV switch-gear and control gear GB1984-2014 AC high voltage circuit breakers
DL/T404-2018 Order information for indoor HV switchgear
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