浙江普福防爆电器有限公司

适用范围Application 1区、2区危场所。 IIA、IIB类爆竹性气体环境. Can be used in Zone 1 and Zone 2one 2 dangerous places. Can be used in IIA,IIB group explosive atmosphere . 型号含义Model implication 产品特点 Features 该产品适用于3-95KW 三相异步电动机不频繁起动和停止. 铸铝合金或钢板焊接外壳,表面喷塑. 内装断路器,交流接触器,时间断电器,热继电器,电流互感 器,电压表,电流表,转换开关,指示灯. 延时自动控制时间继电器(0-60秒内可调). 适用于不间断长期工作制或反复短时工作制,在反复短时 工作制下的操作频率为30次/小时,两次边疆起动间隙不 小于90秒. 具有过载,短路,断相保护等功能. 可根据用户要求特制. 钢管或电缆布线均可. 45kw以下为铝合金壳体,45kw(含45kw)以上的为钢板焊 接壳体. 符合BG3836-2000,IEC60079标准要求. Suitable for 3-95kw asynchronous motor to start and stop unfrequently. The shell is of diecaste Al-alloy or welded by steel plates with plastic-sprayed surface. Inside is installed with CB,AC contactor,time relay,thermal relay,CT, Voltmeter,ammeter,conversion switch and indicatior. Delayed self-controlled relay (0-60s adjustable). Suitable for continuously work or short interval work,at short intarval work its operating frequency is 30 times/hour,the interval is not less Than 90 seconds. With protections of over load,short-circuit,phase-failure. Special requirements can be provided. Conduit wiring or cable wiring. The shell is of diecasted-AI,if<45kw,welded steel plate,if Suitable for GB3836-2000,IEC60079 standard request.