AC  contacotor, LC1 OLD MODEL AC CONTACTOR 

ALS-D OLD MODEL series AC contactors are suitable for frequency 50/60Hz, rated insulation voltage up to 1000V, rated operation current 9~330A under AC-3 duty. It is mainly used for making/breaking electric circuits at a long distance & for frequent starting/stopping & controlling AC Motors. It is used in combination with thermal relay to compose a magnetic motor starter. The products according with the standards such as IEC60947-4-1 & GB14048. 4.