DingzhouXGN□-12 Type AC Metal-Enclosed Switchgear (Air-Insulated)

Product Description

   Product Definition

  This product is suitable for single-bus, double-bus, and single-bus with bypass systems in power applications, with rated voltages ranging from 3.6 to 12 kV, three-phase AC at 50 Hz, and rated currents from 630 A to 3,150 A, serving the functions of receiving and distributing electrical energy. It can meet the operational requirements of various types of power plants, substations, and industrial and mining enterprises.

 

   Main Application Environment of the Product

  Ambient air temperature: -10 to +40°C;

  Altitude: 1,000 m and below;

  Humidity conditions: the monthly average shall not exceed 95%, and the daily average water vapor pressure shall not exceed 2.2 kPa;

  The monthly average shall not exceed 90%, and the monthly average water vapor pressure shall not exceed 1.8 kPa;

  Seismic intensity: not exceeding 8 degrees;

  Locations free from significant contamination by corrosive or flammable gases, etc.;

 

   Main Technical Parameters of the Product

 

Project

Parameters

Project

Parameters

Rated voltage kV

12

Rated short-time power-frequency withstand voltage (interrupting gap) kV

49

Rated current A

630

Rated Lightning Impulse Withstand Voltage (Breaker Contact) kV

85

Rated Frequency Hz

50

Mechanical life (cycles)

2000

Rated active load breaking current A

630

Circuit resistance μΩ

≤200

Rated Closed-Loop Breaking Current A

630

Rated cable charging and breaking current A

10

Rated short-circuit making current (peak value) kA

50

Rated short-time withstand current duration, in seconds

3

Rated short-time withstand current A

20

Rated peak withstand current kA

50

Rated short-time power-frequency withstand voltage, kV

42

Rated lightning impulse withstand voltage, kV

75