Power Supplies
Description
Type KYN44-12(MDS) indoor metal-clad draw-out switchgear is suitabl for the three phases alternating 50Hz,12kV power system as a device of distributing or reciving electrical energy and control,protection and measure .Its main bus-bar is usual single bus-bar or it is devided some sections.The design of this switchgear is fitted with the national standard GB3906 and the international standard IEC 298
There are 5defences functions inside this switchgear due to designed a series factility interlock.
It is expounded as following:
1)To prevent the circuit breaker handcart is pushed-in or drew-out under the main
circuit electrified.
2)To prevent the circuit breaker is switched-on or off by mistake operating
3)To prevent the circuit breaker is switched-on underthe earthing switch has closed.
4)To prevent the earthing switch is switched-on when the main circuit electrified.
5)And to prevent the man go into the eleetrified room due to mistakc.
This switchgear can be matched with varied vaccum circuit breaker such as type
VD4,VS1,VBI which are operated all by the spring charging mechanism and the type VM1
vaccum circuit breaker is operated by the permanent magnet mechanism.
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Zhejiang haining switch works co ., ltd
High/low- voltage switchgear High- voltage apparatus High/low- voltage prefabricated substations
Address: Zhejiang province Hai Ning city oblique bridge industrial park,
Haining, Zhejiang
China,
Tel: 0086-13586370660
Fax: 0086-573-87718817
