HLR7200 serise power relay , nominal current 30A attaches the post (T) primarily. Is suitable in the compressor, the heater control, the motor, the power source control, the duplicator, the facsimile machine, the flare control, the microwave oven, electric appliances and equipment's and so on packaging machine and food processing machinery single-phase load circuit's control. This product has the volume to be small, the weight is light, the coil power loss is low, the contact load is big, anti-impact ability, characteristics and so on redundant reliability.