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Indoor Metal Armored Withdrawable Switchgear

KYN28-12 indoor metal armored withdrawable switchgear is a complete set of power distribution device for indoor 3.6-12kv three-phase current 50Hz single busbar and single busbar segment system.
 
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  • KYN28-12
  • XiChi

Description of indoor withdrawable switchgear

KYN28-12 type indoor metal armored withdrawable switchgear is made up of aluminum-zinc plate bending and combined, fully enclosed structure. In the cabinet, thin steel plates are used to separate four chambers, which are connected by bolts. The upper part is the busbar chamber, the middle part is the handcart chamber, and the lower part is the cable chamber. Instruments and relays are installed in the instrument room in front of the upper part of the cabinet. It has the functions of overhead incoming and outgoing lines and left and right connections.

It is mainly used for power transmission of power plants and small and medium-sized generators, power distribution of industrial and mining enterprises, power reception and power transmission of secondary substations of power systems, large-scale high-voltage motors, etc. It is used for control, protection and detection.

This product complies with GB3906-2006 "3-35KV AC metal-enclosed switchgear", GB/T11022 "Common technical requirements for high-voltage switchgear and control equipment standards", IEC298 "AC metal-enclosed switchgear control equipment" and other standards.


Name

Unit

Technical parameter

Rated voltage

KV

3;6;10

Maximum working voltage

KV

3.6;7.2;12

Rated insulation level

Imin power frequency withstand voltage

KV

42

Lightning impulse withstand voltage

KV

75

Rated frequency

Hz

50

Rated current of main busbar

A

630;1250;1600;2000;2500;3150

Rated current of branch busbar

A

630;1250;1600;2000;2500;3150

4S thermal stable current

KA

16;20;25;31.5;40;50

Rated peak withstand current

KA

40;50;60;80;100;125

Protection class

The enclosure is IP4X, and the isolation room and circuit breaker room door is IP2X when opened


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