適用范圍Application 1區(qū)、2區(qū)危場所。 IIA、IIB類爆竹性氣體環(huán)境. Can be used in Zone 1 and Zone 2one 2 dangerous places. Can be used in IIA,IIB group explosive atmosphere . 型號含義Model implication 產(chǎn)品特點 Features 該產(chǎn)品適用于3-95KW 三相異步電動機不頻繁起動和停止. 鑄鋁合金或鋼板焊接外殼,表面噴塑. 內(nèi)裝斷路器,交流接觸器,時間斷電器,熱繼電器,電流互感 器,電壓表,電流表,轉(zhuǎn)換開關(guān),指示燈. 延時自動控制時間繼電器(0-60秒內(nèi)可調(diào)). 適用于不間斷長期工作制或反復(fù)短時工作制,在反復(fù)短時 工作制下的操作頻率為30次/小時,兩次邊疆起動間隙不 小于90秒. 具有過載,短路,斷相保護等功能. 可根據(jù)用戶要求特制. 鋼管或電纜布線均可. 45kw以下為鋁合金殼體,45kw(含45kw)以上的為鋼板焊 接殼體. 符合BG3836-2000,IEC60079標(biāo)準(zhǔn)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.