KYN28-12 HV INDOOR TYPE ELECTRIC SWITCHGEAR

Name: China Customized KYN28-12 HV INDOOR TYPE ELECTRIC SWITCHGEAR Manufacturers, Suppliers - FENGYUAN
Brand: FENGYUAN
SKU: 187917687

This equipment is indoor metal armoring with drawable switchgear (hereafter refer to as switchgear). With 3.6~12kv three phase AC 50Hz single bus bar and the single bus bar subsection system's complete electricity distribution equipment. The switchgear cabinet is used in the power plant, small and medium-sized generator power transmission, industry and mining business power distribution as well as electrical industry system's second transformer substation's electric take-over, power transmission and large-scale high pressure motor starting and so on. The purpose is to control, protect and monitor.

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Description

Environment condition

Surroungding: Temperature:

-10℃~+40℃

Altitude:

1000M

Relative humidity:

daily<95%, monthly <90%

Earthquake:

the intensity do not exceed 8 degree

no corrosive/flammable gas/water vapor arround

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