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GGD Fixed Low-voltage Switchgear 

GGD型交流低壓配電柜一種經(jīng)濟實用型低壓配電裝置，適用于發(fā)電廠、變電站、廠礦企業(yè)的交流50Hz，額定工作電壓380V，額定工作電流至4000A的配電系統(tǒng)，作為動力、照明及配電設備的電能轉換、分配與控制之用。

GGD型交流低壓配電柜具有分斷能力高，動熱穩(wěn)定性好，電氣方案靈活、組合方便、系列性、實用性強、結構新穎、防護等級高等特點。

GGD型交流低壓配電柜符合IEC439《低壓成套開關設備和控制設備》，GB7251《低壓成套開關設備和控制設備》等標準。

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 基本電氣參數(shù)Basic electrical parameters

型號 model	額定電壓Rated voltage V	額定電流 Rated current A	額定短路開斷電流 Rated short circuit Breaking current KA	額定短時耐受電流 Rated short time Withstand current （1s）KA	額定峰值耐受電流 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