Series EVS160-630 of heavy task low voltage vacuum contactor is produced with the technologies and key equipments introduced from Kombinat EAW Germany. The EVS vacuum contactor is used for low voltage DC electomagnetical structure, and can be assembled in to1, 2, 3, ...To n poles.EVS vacuum contactor is suitable for frequently breaking and in-door alternating system. Series JCZ5 high voltage vacuum contactor, suitable for the distribution system of metallurgy, mine, petro-chemistry and building, to contaol the equipments used electricity such as high voltage motor of and under 7.2(12)kV, packaged design of upper and lower arrangement, as well as operating current of 200A, 400A.Easy to form the complete equipment of F-C loop.It is widely used in the indoor AC system.