We are committed to opening up the field of High Performance Oil Immersed power Transformer, Prefabricated Power Substation, 400V Outdoor JP Cabinet and building a trustworthy brand in the hearts of customers with unremitting efforts and quality service! We're doing everything to supply our customers with best services and best solutions. For us, the pursuit of high-quality products is never a task, but a firm belief that comes from our heart and our own strong strength. We have cooperated with international manufacturers for a long time, reached a strong alliance, and established a dealer system at home and abroad to meet the needs of foreign customers. We emphasize the quality of the products as the basis of development, and strive to achieve perfection, to be guided by market information and to respond to the service principle of the different tastes of consumers.

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;

With strong technical force, perfect testing methods, strict quality management, and sophisticated processing equipment, our company takes the lead in the Rockwill 12/24kv-1250A-31.5ka Vd4 Disyuntor for Switchgear vacuum Circuit Breaker industry. Since our establishment, we have formed a core team with high quality, strong professionalism and rich experience to provide you with excellent products and efficient services. Precision production and testing equipment and comprehensive and strict management experience are the guarantee of our reputation and quality.