11kv Switchgear Panel Board

KYN28A-12 type indoor switchgear is a complete set of power distribution equipment for three-phase AC single bus and single bus section system with rated voltage of 12kV and rated frequency of 50Hz.

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Description

11kv Switchgear Panel Board

KYN28A-12 type indoor switchgear is a complete set of power distribution equipment for three-phase AC single bus and single bus section system with rated voltage of 12kV and rated frequency of 50Hz.

It is mainly used for the power receiving and transmission of power plants, substations, industrial and mining enterprises, and civil buildings, as well as the monitoring, control and protection of high-voltage motors, capacitors and transformers.

This switchgear meets the requirements of IEC298, GB3906 and DL\T404 standards. It can be equipped with ABB's VD4 circuit breaker and domestic VS1 vacuum circuit breaker.

11kv Switchgear Panel Board

11kv Switchgear Panel Board Factory

Working conditions

1. Ambient air temperature: highest temperature +40℃, lowest temperature -15℃.

2. Relative humidity: Daily average relative humidity: ≤95%. The daily average water vapor pressure does not exceed 2.2KPa. The monthly average relative humidity is ≤90%, and the monthly average water vapor pressure does not exceed 1.8KPa.

3. Altitude: ≤1000m.

4. Earthquake intensity: no more than 8 levels.

5. The surrounding air should not be significantly polluted by corrosive or combustible gas, water vapor, etc.

6. There is no place with severe vibration.

7. When used under normal conditions beyond GB3906, the user shall negotiate with the company.

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