GGD Fixed Low-voltage Switchgear 

GGD型交流低压配电柜一种经济实用型低压配电装置，适用于发电厂、变电站、厂矿企业的交流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型交流低压配电柜具有分断能力高，动热稳定性好，电气方案灵活、组合方便、系列性、实用性强、结构新颖、防护等级高等特点。

GGD型交流低压配电柜符合IEC439《低压成套开关设备和控制设备》，GB7251《低压成套开关设备和控制设备》等标准。

GGD type ac low-voltage distribution cabinet belongs to economic and practical low-voltage distribution device, which is suitable for power distribution system with ac 50Hz, rated working voltage 380V, rated working current to 4000A in power plant, substation, factory and mining enterprise, as power conversion, distribution and control of power, lighting and distribution equipment.

GGD type ac low-voltage distribution cabinet has the characteristics of high breaking capacity, good dynamic and thermal stability, flexible electrical scheme, convenient combination, series, strong practicability, novel structure and high protection level.

GGD ac low-voltage distribution cabinet conforms to IEC439 "low-voltage switchgear and control equipment", GB7251 "low-voltage switchgear and control equipment" and other standards.

 3 基本电气参数Basic electrical parameters

型号 model	额定电压Rated voltage V	额定电流 Rated current A	额定短路开断电流 Rated short circuit Breaking current KA	额定短时耐受电流 Rated short time Withstand current （1s）KA	额定峰值耐受电流 Rated peak Withstand current KA
GGD1	400	400	15	15	30
		600
		1000
GGD2	400	1250	30	30	63
		1600
		2000
GGD3	400	2500	50	50	105
		3200
		4000