thermal overload protection

BW-A Motor Thermal Protection , Temperature Overload Protector For Ballast Structure and protection principle: BW-A serial universal and enhanced protectors with large metal casing are composed of the thermal conductive metal casing, bimetallic parts welded with silver alloy contact point, conductive bracket, insulation fixation stand, fixed contact strip and heat resistance cable. In case of abnormal operation, along with the increase of the environment temperature to the