Faced with economic globalization, we are determined to become a leader in the Indoor Solid Insulated Ring Main Unit, AC Ring Main Unit, drawer type switch cabinet industry and surpass ourselves. We sincerely hope to cooperate with you, share success together, and forge ahead firmly to a more brilliant future. Welcome to inquire about our products. Aggressive price with top quality and satisfying support make us earned extra customers. We actively use the standard to seize the commanding height and win market recognition and customer trust.

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;

We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for High Voltage AC Metal Cald and Enclosed Ringmain Unit and Intelligent Fixed Insulation Cabinet and Power Distribution Switchgear. Our company adheres to the development strategy of 'internationalization, technology and industrialization', and vigorously develops the institutional innovation, technological innovation and management innovation, and is highly praised by customers. All personnel of our company must receive strict pre job training and have strict production progress and product quality monitoring system.