BQX防爆星三角起動器(IIB)
適用范圍
1、爆!炸性氣體環境:1區、2區
2、場所中危險氣體或蒸氣:IIA、IIB、IIC
3、溫度組別:T1~T6
4、戶內、戶外(防護等級IP54, 可達IP65)
Applying scope
1、Explosive gas atmospheres:Zone 1&2
2、Dangerous gases or vapors zone: IIA、IIB、IIC
3、Temperature classes:T1~T6
4、Indoor and outdoor (IP 54,It could be designed as IP65 according to user′s requirements)
產品特點
1、該產品適用于13-125KW三相異步電動機不頻繁啟動和停止用
2、鑄鋁合金或鋼板焊接外殼,表面噴塑
3、內裝斷路器、交流接觸器、時間繼電器、電流互感器、電壓表、轉換開關、指示燈等
4、延時自動控制時間繼電器0.4~60秒內可調
5、起動電動機時電源線的電流不超過電動機額定電流的2.5倍,起動轉矩為三角形接線全壓起動的1/3
6、適用于長期工作制或反復短時工作制,在反復短時工作制下的操作頻率為30次/小時,兩次連續啟動間隔時間不小于90秒
7、具有過載、短路保護功能
8、進線腔、元件腔、出線腔分別獨立
9、輸入、輸出三相五線制(3P+N+PE)
10、可根據用戶要求特制
11、可鋼管或電纜布線,電纜布線必須配電纜夾緊密接頭
Features
1、Suitable for 13-125KW three-phase asynchronous motor,which is not frequently started and stopped
2、Enclosure is made of casting aluminium alloy or steel plate,surface is sprayed with plastics
3、Equipped with circuit breaker,AC conductor time relay,current transformer,voltmeter,ammeter,reset switch,indicating lamp
4、Time delay relay is adjustable within 0.4-60〃seconds
5、 When starting motor, the current of power-line is less than 2.5 times of motor rate current,starting torque is one third of full voltage of delta connection
6、Suitable to continous long period duty or repeated short period duty.For the latter ,operation frequency is 30 times per hour ,the interval between two starting should be not less than 90 seconds
7、With overload and short circuit protection function
8、Inlet compartment, component and outlet compartment are independent from each other
9、Input:3P+N+PE , output: 3P+N+PE
10、For user′s requirements, it could be specially made
11、Wiring with c