After years of exploration, our three-phase dry type transformer, Copper Power Transformer, electric power distribution equipment switchgear has condensed the world's cutting-edge technology, hoping that it will come closer to the needs of consumers. We have won the unanimous trust and praise of customers at home and abroad with the business tenet of customer first, good product quality, perfect service system, and punctual delivery time. We always create the future with you with 'quality assurance, reputation first, high quality products, and honest service'. Quality First, and Customer Supreme is our guideline to provide the best service to our customers. Our concept would be to assist presenting the confidence of each prospective buyers while using the offering of our most honest service, as well as right merchandise.

KYN28-12 metallized ac metal closed switch cabinet (hereinafter referred to as switch cabinet) is a set of indoor power distribution device with three-phase ac 50Hz, which is used to accept and distribute the network power of 3-12kv and control, protect and monitor the circuit.

The cabinet can be equipped with VSI(ZN63), ZN12V vacuum circuit breaker or imported VD4 vacuum circuit breaker and VC series vacuum contactor.

The product is characterized by small volume,light weight,operation flexibility,maintenance convenience, and quality stability & reliability, and it comes out with perfect interlock protection functions and IP3X protecton grade, so it is an ideal product for mains grid reconstruction.

Product parameters:

1.Rtaed Voltage: 11kv

2.Rated Current:1250A/630A

3.Temperature rise current:1.1Ir

4.Rated power frequency 1min withstand voltage (phase to ground):95kV

5.Peak value of rated lightning impulse withstand voltage (1.2 ÷ 50s) (phase to ground):125kV

6.Rated short-circuit breaking current:31.5kV

7.Rated short-circuit making current:80kA

8.Rated short-time withstand current and duration:31.5/4 25/4 kA/s

9.Rated peak withstand current:80kA

10.Short time power frequency withstand voltage of auxiliary and control circuit:2kV

Feature:

1.11kV switchgear is simple in structure,convenient in maintenance and convenient in overall layout and operation;

2.The supporting interlocking action is stable and reliable;

3.Wide use;

4.Reliable performance;

As a new round of industrial revolution is gaining momentum, we will continue to forge ahead and continuously improve the quality of our High Voltage Reactive Power Compensation Device, Metal Cald and Enclosed Cabinets and Withdraw Electric Equipment and Switchgear. We rely on a young and international design concept, keeping on to the spirit of being responsible to society, customers and enterprises. Detailed Info and parameters from the merchandise will probably be sent to you for any thorough acknowledge.