1.AC contactors for industry use 2.CE.ISO9000 3.THE price is lower 4.Aoelec/OEM LC1-D series AC contactor is suitable for using in the circuits up to the rated voltage 660V AC 50HZ or 60HZ ,Rated up to 600A,For making,breaking,frequently starting & contronlling the AC motor,Combined with the auxiliary contact block,timer delay & machine -interlocking device etc,it becomes the delay contact, ...