6KV Staineless Steel Electric Switchgear

Service Conditions ◎ Ambient airtemperature: -15°C~+40°C; ◎ Relative humidity: Daily average 95%，and daily average of water vapor pressure < 2.2kPa; ◎ Monthly average «90%, and monthly verage of water vapor pressure < 1.8kPa; © Altitude: ^1000m; ◎ Seismic intensity: not beyond Ms8. ◎ Ambient air should be free of pollution of corrosive or flammable gas or vapor; ◎ No obvious vibration;

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Description

KYN28A-12(6)

KYN28A-12(7)

KYN28A-12

Top-quality-switchgear-kyn28-12 (1)

Features

1: STRICT protection step to ensure personal safety

2: The cable room can be installed as many as 9 single-core cables

3: Operation and testing positions will be established for the handcart, and both positions are equipped with safe and reliable positioning device and display device

4: The enclosure is completely assembled from aluminized and galvanized steel plate, which are machined and bent by machine tool and then bolted.

5: It has high mechanical strength and its neatness and beauty is ensured.

6: The switchboard door is sprayed with plastic, also has strong capacity of impact resistance and corrosion protection.

7: The primary switch may be provided with VD4 vacuum circuit breaker and C3 series of fixed type load switch from ABB, various domestic vacuum circuit breakers (such as VS1, VH1, VK, ZN28) may also be provided in lieu of the same foreign products.

8: Front door is installed with a observation window to check the operating state of the components inside the room

Main technical parameters
Rated voltage	.....................................	kV	3.6、7.2、12
Rated frequency	.....................................	Hz	50
Rated current of circuit breaker	.....................................	A	630/4000
Rated current of switchgear	.....................................	A	630/4000
Rated short-time withstand current (4S)	.....................................	kA	20、25、31.5、40
Rated peak withstand current (peak)	.....................................	kA	50、63、80、100
Rated short-circuit breaking current	.....................................	kA	20、25、31.5、40
Rated insulation level 1min power frequency withstand voltage	Pole-to-pole, pole-to- ground	kV	24、32、42
	Between open contacts	kV	24、32、48
Lightning impulse withstand voltage (peak)	Pole-to-pole, pole-to- ground	kV	40、60、75
Lightning impulse withstand voltage (peak)	Between open contacts	kV	46、70、85
The shell is IP4X, and it is IP2X when the compartment door and circuit breaker chamber door are opened