QC系列磁力起動(dòng)器適用于交流50赫或60赫、額定電壓500伏及以下、額定電流150安及以下的電力線路中,供遠(yuǎn)距離直接控制三相鼠籠型電動(dòng)機(jī)之起動(dòng),停止及逆轉(zhuǎn),起動(dòng)器具有失壓保護(hù)功能,帶熱繼電器的起動(dòng)器對電動(dòng)機(jī)的過負(fù)載起保護(hù)作用。 圖5 QC25系列磁力起動(dòng)器及安裝尺寸QC25-4/10580QC25-4/11585QC25-7.5/10585QC25-7.5/11590QC25-11/10595QC25-11/115100QC25-22/105140QC25-22/115145QC25-30/105165QC25-30/115170QC25-40/105255QC25-40/115260QC12-2/H42QC12-2/NH70QC12-3/H53QC12-3/NH100QC12-4/H78QC12-4/NH140QC12-5/H153QC12-5/NH330QC12-6/H210QC12-6/NH460QC12-7/H255QC12-7/NH570QC20-1H/147QC20-1H/280QC20-2H/160QC20-2H/2112QC20-3H/183QC20-3H/2150QC20-4H/1165QC20-4H/2350QC20-5H/1220QC20-5H/2470QC20-6H/1260QC20-6H/2590