Metal Enclosed Switchgear Cabinet

KYN28A-12 Metal Enclosed Switchgear Cabinet The metal enclosed switchgear cabinet is a complete set of switchgear for three-phase AC 50/60Hz single bus and single bus section system. It is suitable for substations and power distribution rooms of power plants, power systems, petroleum, chemical,...

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Description

KYN28A-12 Metal Enclosed Switchgear Cabinet

The metal enclosed switchgear cabinet is a complete set of switchgear for three-phase AC 50/60Hz single bus and single bus section system. It is suitable for substations and power distribution rooms of power plants, power systems, petroleum, chemical, enterprises and institutions, etc., plays a role in distributing electric energy, and can control and protect electric equipment such as generators, transformers, motors, and reactive power compensation devices. .

Use environment

1. Altitude: ≤1000m;

2. Ambient temperature: -25℃-+40℃;

3. The relative humidity of the air: the daily average value is not more than 95%, and the monthly average value is not more than 90%;

4. There is no serious pollution in the surrounding air, such as dust, smoke, corrosives, flammable gas, gasoline and salt, etc.;

5. Earthquake intensity: 8 degrees.

Indoor High Voltage AC Switchgear Panel

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