Introduction
KYN28-12 type indoor Metal Exchange closed armored away switchgear (referred to as the home cabinets) applicable to 3.6 ~ 12KV three-phase AC 50Hz power grid, as receiving and distributing power, and circuit implementation of control, monitoring and protection use.
The product can be configured VD4 / VDM6 / BP1 / BP2 / VS1 and other models of the vacuum circuit breaker as the main switch, compact structure, superior performance, high reliability .

Product Features 
KYN28-12 indoor exchange metal closed armored removable switchgear (referred to as the central cabinet) for 3.6 ~ 12KV three-phase AC 50Hz power grid, as the acceptance and distribution of electricity, and the circuit control, monitoring and protection Use. Can be used for single bus, single bus segment or double bus system. This product is made of riveting bolts connected to the whole assembly structure, with a small size, modeling the United States, high strength, corrosion resistance, interchangeability and versatility and other characteristics, is to replace a variety of old switchgear ideal product. The product can be configured VD4 / VDM6 / BP1 / BP2 / VS1 and other models of the vacuum circuit breaker as the main switch, compact structure, superior performance, high reliability.

Structural features
1, the car-mounted circuit breaker cabinet, is conducive to the bus moisture and improve the insulation level;
2, handcart type combination unit, interchangeability, and less maintenance;
3, the circuit breaker can achieve closed-door operations; 5, the busbar cabinet with a wall through the casing can be separated, limiting the spread of the fault; 6, the grounding switch with fast closing capacity, maintenance is easy to facilitate the use of 5, the cabinet is equipped with independent
pressure release channel; , To ensure personal safety; 7, cable room spacious, user-friendly installation.

Meet the standard
This product meets the standard: IEC298 "rated voltage 1KV above 52KV and below AC metal-enclosed switchgear and control equipment", IEC694 "high-voltage switchgear and control equipment common regulations", China GB3906 "3-35KV AC metal-enclosed switchgear" and DL404 "indoor exchange high voltage switchgear ordering conditions" and other standards. Applications are suitable for AC 50HZ, 10kV power system, widely used in power plants, small and medium-sized generator transmission, industrial and mining power distribution and power system of the secondary substation by the power, distribution And large high-voltage motor start, the implementation of control, protection, testing.

Normal use
conditions Altitude ≤1000m
Ambient temperature : -10 ℃ -45 ℃, the maximum temperature difference ≤ 25 ℃
Relative humidity: Daily relative humidity of not more than 95%
Monthly relative humidity of not more than 90%
Seismic capacity: ground level acceleration ≤ 0.4m / S2
Ground vertical acceleration ≤ 0.2m / S2
※ No severe vibration and shock, as well as places with fire, chemical corrosion and explosion hazard.