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

Keywords: High- and low-voltage complete sets – packaged substations – ring main units

Category:

Ring Main Unit

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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
设计原理 动态屈光+单点多焦
镜片材质 PC太空镜片
瞳距标尺 54mm-68mm
镜片屈光度 +2.00D~-5.00D
眼镜尺寸 160*13.3*7.3mm
眼镜重量 45g
镜盒重量 239g
镜盒电池规格 2600ma
眼镜电池规格 180ma
传动系统寿命 50万次