Metal-clad High-voltage Switchgear

KYN28A-12 metal-clad high-voltage switchgear is a three-phase AC 50Hz indoor complete set of power distribution equipment, used to receive and distribute 3-12 kv of network power and control, protect and monitor the circuit. Operating environment: 1. Ambient temperature: -10°C-+40°C; 2....

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Description

Operating environment:

1. Ambient temperature: -10°C-+40°C;

2. Altitude: high pressure ≤ 1000 meters, low pressure ≤ 2500 meters (exceeding demand, our technical department can special design);

3. Relative humidity: ≤85%

4. Earthquake intensity: ≤8;

5. It is suitable for places with no fire, no explosion hazard, no serious pollution, no chemical corrosion, and no severe vibration.

Indoor High Voltage AC Switchgear Panel

Metal-clad High-voltage Switchgear

Item	Unit	Parameter
Rated voltage	kV	12
Rated current	A	630,1250,1600,2000,2500,3150,4000
Rated frequency	Hz	50
Rated short-circuit breaking current	kA	25、31.5、40
Rated short-circuit making current	kA	63、80、100
Rated short-time withstand current/4s	kA	25、31.5、40
Rated peak withstand current/4s	kA	63、80、100
Rated short circuit power frequency withstand voltage (1min)	kV	42/48
Rated lightning impulse power frequency withstand voltage	kV	75/85
Internal fault arc test		IAC and AFLR; switch room 20kA1s, cable room 20kA0.1s