产品型号及含义

Product model and meaning

规格尺寸

Specification and size

高度H（mm）× 宽度W（mm）× 深度D（mm）

2200       600     800（1000）

2200       800     600（800、1000）

2200       1000    600（800、1000）

用途及性能

GGD型交流低压配电柜适用于发电厂、变电站、工矿企业等电力用户，额定频率为50HZ，额定工作电压380V额定工作电流至4000A的配电系统，作为动力、照明及配电设备的电能转换、分配与控制之用。

GGD型交流低压配电柜是根据能源部主管上级，广大电力用户及设计部门的要求。本着安全、经济、合理、可靠的原则设计的新型低压配电柜。产品具有分断能力高，动热稳定性好，电气方案灵活，组合方便，实用性强，结构新颖，防护等级高等特点，可作为低压成套开关设备的更新换代产品使用。

符合国家标准：IEC439《低压成套开关设备和控制设备》、GB7251-1《低压成套开关设备和控制设备》等标准。

Application and performance

GGD type AC low-voltage distribution cabinet is suitable for power plants, substations, industrial and mining enterprises and other power users, rated frequency is 50HZ, rated working voltage 380V rated working current to 4000A distribution system, as power, lighting and distribution equipment for power conversion, distribution and control.

GGD type AC low-voltage distribution cabinet is based on the requirements of the Department of Energy supervisor, the majority of power users and the design department. In line with the principles of safety, economy, reasonable, reliable design of the new low-voltage distribution cabinet. The product has the characteristics of high breaking capacity, good dynamic and thermal stability, flexible electrical scheme, convenient combination, strong practicability, novel structure, high protection level, and can be used as the replacement of low-voltage switchgear sets.

In line with national standards: IEC439 "Low-voltage switchgear and control equipment", GB7251-1 "low-voltage switchgear and control equipment" and other standards.

结构特点

柜架用8MF冷弯钢板局部焊接拼装而成，其刚性及承载能力均达到电器元件的安装要求，框架上分别按E=20mm和E=100mm数排列的安装孔，以提高产品装配的通用性。主母线排列在柜体上部，采用ZMJ型母线夹为积木式组合结构，用高阻燃DMC材料热注成型，机械强度和绝缘度高，能承受有效值50KA，峰值105KA电流，热稳定冲击力长期允许温度可达120℃。柜体防护等级IP3X。

Structural characteristics

The cabinet frame is partially welded and assembled with 8MF cold-formed steel plate, and its rigidity and bearing capacity meet the installation requirements of electrical components. The mounting holes on the frame are arranged according to the number of E=20mm and E=100mm to improve the versatility of product assembly. The main busbar is arranged in the upper part of the cabinet, and the ZMJ busbar clamp is a modular combination structure. It is formed by hot injection with high flame retardant DMC material. It has high mechanical strength and insulation degree, and can withstand 50KA effective value, 105KA peak current, and long-term allowable temperature of thermal stable impact force can reach 120℃. Cabinet protection class IP3X.