KYN28-24 24kV Indoor Metal-clad Withdrawable Switchgear

This switchgear consists of cubicle and withdrawable component (handcart), current transformer, earthing switch, lightning arrester and so on. The frame and shutters between function compartments are assembled with cooled rolling steel sheets or aluminum-coated and zinc-planted steel sheet.

Product Details Company Profile

Description

Place of Origin: China (Mainland)
Brand Name: Galaxy Switch
Model Number: KYN28-24
Rated voltage: 24kV
Ambient temperature: -15℃~+40℃

1.Metal-clad, withdrawable type
2.IEC & GB standards
3. XIHARI type test certificate

General Description

Indoor Metal-clad Withdrawable Switchgear (hereinafter referred to as switchgear) is a high-voltage distribution device used for distribution power system at three-phase AC 24kV, 50Hz . It can be used with the vacuum circuit breaker with embedded poles manufactured by our company.

Service Condition

a. Ambient Temperature:

Max. +40°C

Min. -25°C

b. Ambient Humidity:

Daily average relative humidity:≤95%

Monthly average relative humidity:≤90%

c. Max. altitude:1000m

d. The degree of condensation and pollution Ⅱ

In case of the switchgear used in the conditions beyond the above limit, the customers shall consult with the manufacturer.

Main Technical Data

No.	Description		Unit	Parameter
1	Rated voltage		kV	24
2	Rated current		A	630,1250,1600,2000,2500
3	Rated frequency		Hz	50
4	Rated current of main busbar		A	630,1250,1600,2000,2500
5	Rated short-time power frequency withstand voltage (1min)	Phase to phase/earth	kV	50
5	Rated short-time power frequency withstand voltage (1min)	Across the isolating distance	kV	65
6	Rated lightning impulse withstand voltage	Phase to phase/earth	kV	125
6	Rated lightning impulse withstand voltage	Across the isolating distance	kV	145
7	Rated short-circuit breaking current (effective value)		kA	25,31.5
8	Rated short-circuit making current (peak)		kA	63,80
9	Rated dynamic current (peak)		kA	63,80
10	Rated thermal current (effective value)		kA	25,31.5
11	Duration of rated short-circuit thermal stability current		S	4
12	Arc current		kA	31.5
13	Arcing time		S	1
14	Degree of protection			IP4X for enclosure, IP2X for partition between compartments

Construction

This switchgear consists of cubicle and withdrawable component (handcart), current transformer, earthing switch, lightning arrester and so on. The frame and shutters between function compartments are assembled with cooled rolling steel sheets or aluminum-coated and zinc-planted steel sheet.

KYN28-24 24kV Indoor Metal-clad Withdrawable Switchgear