KYN28A-12 type AC metal armored removable indoor switchgear is suitable for three-phase AC 50Hz power system, rated voltage to 12kV, busbar and feeder current.In the single bus or single bus section system up to 3450A, it is used to receive and distribute electrical energy and implement control, protection and monitoring of the circuit. Is advanced technology, stable performance,Power distribution equipment with reasonable structure, easy to use, safe and reliable.

KYN28A-12 type switchgear is equipped with the required switching equipment on the removable parts (handcart), which can be flexibly selected by CHTERN for independent research and has world leading Horizontal VC1A type permanent magnet operating mechanism vacuum circuit breaker can also be equipped with various types of circuit breakers at home and abroad according to the needs of different users, such as domestic VS1 type, ABB company Produce vacuum circuit breakers such as VD4 type, Mitsubishi VPR type, high altitude type.

1、Safe and Reliable ★ Each high-voltage compartment is completely isolated, and each high-voltage compartment is equipped with a pressure release channel at the top to ensure that the adjacent compartment will not be affected in the event of an internal fault arc, ensuring equipment and personal safety;
★ With reliable locking device, can effectively prevent misoperation;
★ All functional operations, including closing and opening of circuit breakers, pushing and removing of handcarts, and operations of grounding switches can be performed with the panel closed;
★ The quick closing ground switch is used for grounding and artificial short circuit;
★ Through the panel window, you can easily check the circuit breaker opening status and handcart position, mechanism energy storage status, grounding switch opening and closing position and cable head connection.

2、Strong practicality ★ The shell protection grade is IP4X, which can prevent small animals and dirt from entering;
★ Good handcart interchangeability, flexible design of switchgear scheme, and various types of circuit breakers at home and abroad can be selected according to different users' needs;
★ The configured circuit breaker can be used as the control and protection of transformers, capacitors, cables, overhead lines and other electrical equipment;
★ Provide ample cable installation space.

3、Wide adaptability ★ Install standard type transformer;
★ A variety of conventional cable terminals can be used, and multiple cables can be connected in parallel;
★ Different types of circuit breakers can be flexibly selected to meet specific engineering needs;
★ Suitable for separate in and out of cable or busbar, mixed in and out.

4、Leading technology ★ The VC1A permanent magnet operating mechanism vacuum circuit breaker independently developed by China Science and Technology, which has the world's leading level and is maintenance-free;
★ Using heat-shrinkable insulating material, with high insulation performance, making the cabinet structure compact and reducing the floor space;
★ The cabinet body is made of high-strength and corrosion-resistant aluminum-zinc steel plate, which is formed by CNC machine tools and multiple bending processes, and is bolted by rivet nuts. It is strong and durable. The entire cabinet body is not welded and has strong resistance to oxidation and corrosion.

1、Ambient temperature: maximum +40℃, minimum -15℃, daily average temperature ≤15℃;

2、Relative temperature: maximum value ≤98%, daily average value ≤95%, monthly average value ≤90%;

3、Altitude: ≤1000 meters, up to 300 meters under special circumstances (please specify when ordering);

4、Earthquake intensity: no more than 8;

5、The surrounding environment should be free of fire, explosion, severe pollution, chemical corrosion and severe vibration.

   If it is a special use environment, please contact us when ordering products