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kyn28a-12 armor plate shifting open type indoor ac metal enclosed switchgear

1. product introduction
kyn28a-12 armor plate shifting open type indoor ac metal enclosed switchgear (hereinafter referred to as switchgear) is a complete set of power distribution equipment for 3.6-12kv three-phase ac 50hz single bus and single bus section system. it is mainly used for power plant, industrial and mining enterprise power distribution, power system secondary substation power transmission and distribution and large-scale high-voltage motor starting equipment, etc., for control, protection and monitoring. the switch cabinet meets the requirements of iec 62271-200, gb / t3906 and other standards, and has perfect "five proofing" locking function. it is equipped with vsv series and znz6 series vacuum circuit breakers of our company, which is a superior power distribution device.

2.  product features

◆ adopt the technology of equalizing electric field. the main conductor is insulated with heat shrinkable material, which has high insulation performance. the operation of all equipment, including the opening and closing operation of the breaker, the pushing or moving of the breaker handcart to or from its own grounding switch, can be carried out in the closed state of the door panel
◆ for the practical switchgear, the vacuum circuit breaker handcart is maintenance free, and adopts the high-efficiency, high life, modular spring operating mechanism and its matching
◆ wide adaptability of switchgear - suitable for cable and busbar in and out or cable and busbar mixed in and out, various common cable heads can be used
◆ with international advanced level of switchgear, it can be equipped with arc light identification and operation status visualization device, - it can be equipped with online temperature monitoring device, and the breaker can be operated manually and electrically, which can realize remote control and distribution automation;

3. main technical parameters
  

 

item

unit

technical parameters

rated voltage

kv

12

rated insulation

power frequency withstand voltage(1min

kv

42

lightning shock resistance (peak value)

kv

75

rated frequency

hz

50,60

rated current of main bus

a

1250-4000

rated current of branch bus

a

630-4000

rated short-term withstand current(4s)

kv

16,20,25,31.5,40 and 50

rated peak withstand current

ka

40,50,63,80,100,125

ip class

 

casing ip4x; ip2x when circuit breaker chamber is open

 

 4. overall dimensions 

 

n/a

 

 

 

 

 

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