產品概述 Product overview

GCK 低壓抽出式開關柜廣泛適用于發電廠、冶金軋鋼、石油化工、輕工紡織、港口碼頭、大樓賓館等場所作為交流三相四線或五線制、電壓 380V、660V，頻率為 50Hz、額定電流為 5000A 及以下的供電系統中的配電和電動機集中控制之用。 

GCK 是經過全面型式試驗，是組裝而成的低壓開關柜，設計符合下列標準： 

國家標準 GB7251.1-2005《低壓成套開關設備》 

標準 IEC60439.1-1992《低壓成套開關設備和控制設備》 

GCK low-voltage draw-out switchgear is widely used in power plants, metallurgical steel rolling, petrochemical industry, light industrial textiles, ports, docks, buildings, hotels and other places as AC three-phase four-wire or five-wire system, voltage 380V, 660V, frequency 50Hz, rated current 5000A and below for power distribution and motor centralized control in power supply systems. 

GCK is an advanced low-voltage switchgear assembled after comprehensive type test and CCC certification. Its design meets the following standards: 

National Standard GB7251.1-2005 《Low Voltage Complete Switchgear》International Standard IEC60439.1-1992 《Low Voltage Switchgear and Control Equipment》

正常使用環境 Normal operating environment

◇ 周圍空氣溫度不高于 +40℃，不低于 -5℃，在 24 小時內平均溫度不高于 +35℃； 

◇ 相對溫度在溫度 +40℃時不超過 50％，在較低溫度時允許有較高的相對溫度，如 +20℃時為 90％； 

◇ 空氣清潔，無腐蝕性及爆炸性氣體，無導電及能破壞絕緣的塵埃： 

◇ 無明顯搖動和沖擊振動的場合，垂直安裝，傾斜度不應大于 5°； 

◇ 海拔高度不超過 2000 米； 

◇ 開關柜適用于以下溫度運輸和儲存：- 2 5℃ ~+ 5 5℃，在短時間內 ( 不超過 24 小時 ) 不超過 +70℃； 

◇ 用戶對上述條件不能滿足時應與制造廠協商。 

◇ Ambient air temperature is not higher than +40℃ , not lower than -5℃ , and the average temperature within 24 hours is not higher than+35℃ ; 

◇ The relative temperature shall not exceed 50% at the highest temperature +40℃ , and higher relative temperature is allowed at lower temperature, such as 90% at +20℃ . 

◇ The air is clean, free of corrosive and explosive gases, and free of conductive and insulating dust: 

◇ When there is no significant shaking and impact vibration, it shall be installed vertically with an inclination of not more than 5. 

◇ The altitude shall not exceed 2,000 meters; 

◇ Switchgear is suitable for transportation and storage at the following temperatures:-25℃ ~+55℃ , within a short period of time (not more than 24 hours) not more than+70℃ ; 

◇ The user shall negotiate with the manufacturer if the above conditions cannot be met.

主要技術參數 Main technical parameters

◇ 額定絕緣電壓 660V/1000V 

◇ 額定工作電壓 400V/660V 

◇ 輔助電路額定工作電壓：交流 380V、220V，直流 110V、220V 

◇ 母線額定電流：1000A、1250A、1600A、2000A、2500A、3200A、4000A、5000A 

◇ 母線額定短時耐受電流：50kA、80kA( 有效值 )1 秒 

◇ 母線額定峰值耐受電流：105kA/0.1s、140kA/0.1s、176kA/0.1s 

◇ 分支母線額定電流：630A、1000A、1250A、1600A 

◇ 分支母線額定短時耐受電流：30kA、50kA( 有效值 )1 秒 

◇ 分支母線額定峰值耐受電流：63kA、105kA/0.1s 

◇ 外殼防護等級：IP30、IP40 

◇ 母線設置：三相四線制、三相五線制 

◇ 操作方式：就地、遠方、自動 

◇ Rated isolation voltage 660V/1000V 

◇ rated operating voltage 400V/660V 

◇ Rated working voltage of auxiliary circuit: 380V and 220V AC, 110V and 220V DC 

◇ Bus rated current: 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 5000A 

◇ rated short-term withstand current of bus: 50kA, 80kA (effective value) for 1 second 

◇ Bus rated peak withstand current: 105kA/0.1s, 140kA/0.1s, 176kA/0.1s s. 

◇ rated current of branch bus: 630A, 1000A, 1250A, 1600A 

◇ rated short-term withstand current of branch bus: 30kA, 50kA (rms) for 1 second 

◇ rated peak withstand current of branch bus: 63kA, 105kA/0.1s 

◇ Shell protection level: IP30, IP40 

◇ Bus bar setting: three-phase four-wire system and three-phase five-wire system 

◇ Operation mode: local, remote and automatic