KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear Made in China - Suppliers and Manufacturers

Product Description

1. Introduction of KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear

This KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear indoor metal-clad mid-mounted switchgear(Hereinafter called as switchgear for short) is 3---10KV three-phase AC 50Hz distribution device of single busbar and its sectional system. As the controlling, protecting and supervising, it is applicable for power supply of plant, medium or small generator, distribution of factory, mine and enterprise, as well as the receiving, transmitting the electricity from secondary substation in the power system, restarting of large H.V. electromotor and so on. The product can meet the requirement of IEC62771 and GB3906 standard, it has the function to prevent from moving the handcart of circuit breaker alive, opening and closing circuit breaker on mistake, or doing it while the earthing switch is at closing position, entering the alive chamber, as well as the closing the interlock of earthing switch on mistake while it is alive. The product can be used together with VD4 circuit breaker by ABB Co., or VB2 VACUUM circuit breaker by GE Co., or VS1,VT2 cacuum circuit breaker made by our company, so it is the distribution device in the superior performance

2. Parameter (Specification) of KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear

Item		Unit	Data
Rated voltage (Maximum operating voltage)		kV	12
Rated insulation level	1min kV rms	kV	42
Rated insulation level	Lightning impulse withstand voltage	kV	75
Rated frequency		Hz	50/60
Main busbar rated current		A	630,1250,1600,2000,2500,3150,4000
Branch Bus Wire Rated Current		A	630,1250,1600,2000,2500,3150,4000
4s Thermal stability current (virtual value)		kA	16,20,25,31.5,40,50
Rated machine-stability current (peak value) *		kA	40,50,63,80,100,125
Protection degree			IP4X

3. Feature And Application of KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear

KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear is mainly applicable in the power plant, substation, mineral enterprise to receive and distribute power with the functions of controlling, protecting and monitoring. It also can be used in places where the frequently operations are in need.

4. Details of KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear

1. Ambient air temperature: -15°C~+40°C.
2. Altitude: ≤1000m.
3. Relative humidity : Daily average≤95%, daily averange of vapour pressure≤2.2kpa.
4. Earthquake intensity: ≤magnitude 8.
5. Applicable in the places without corrosive and flammable gas and water vapor.
6. Used in place without frequently intense vibrant.
Note: Customized products are available.

5. Qualification & certifications of KYN28A (KZN)-12KV Metal-Clad MID-Mount AC Switchgear