Product structure characteristics

Type KYN28-24 armored removable AC metal-enclosed switchgear. Suitable for indoor three-phase 50/60Hz, rated voltage 24kV power system. Mainly used in power plants, substations, industrial and mining enterprises and high-rise buildings, as the acceptance and distribution of electricity, with control, protection and monitoring functions.

The removable parts of the switchgear can be equipped with vacuum circuit breaker handcars, voltage transformer handcars, lightning arrester handcars, isolation handcars, fuse handcars, etc.

Main technical parameters of products

Serial Number

Project

Unit

Parameters

1

Rated voltage

kV

24

2

Rated frequency

Hz

50/60

3

Rated insulation level

1min power frequency withstand voltage (effective value)

kV

Interphase relative ground

65

Isolation fracture

79

Lightning impulse withstand voltage (peak)

125

145

Power frequency withstand voltage of auxiliary control circuit

2000

4

Rated current

A

630，1250，1600，2000，2500，3150

5

Rated short-circuit breaking current

kA

20

25

31.5

6

Rated short-circuit closing current (peak)

50

63

80

7

Rated short-time withstand current (4S)

20

25

31.5

8

Rated peak withstand current

50

63

80

9

Rated peak withstand current

V

DC or AC 110/220

10

Protection level

 

IP4X [breaker chamber door open or compartment IP2X)

11

Overall dimensions (W x D x H)

mm

800x1810x2430     

  1000 x1810x2430

12

Quality

kg

900-1440