Mechanical Interlock A 63A/4P – 5956 (IP44 400V) is a four – pole interlock socket that meets the needs of industrial three – phase power supply. It adopts a 4 – pole structure of three phases plus a ground wire (3P + E). The rated current of 63A can stably bear the continuous power load of various medium – power industrial equipment, and the rated voltage of 400V accurately matches the power consumption standard of the three – phase industrial power grid. It is especially suitable for three – phase equipment that does not require an additional neutral wire, such as three – phase asynchronous motors, small industrial pumps, independent fans and auxiliary power equipment in workshops. It can maintain the stability of power transmission under long – term continuous operation conditions and reduce the impact of voltage fluctuations on equipment.
Its core mechanical interlock system is the key to safety protection, adhering to the protection principle of “locked when powered on and unlocked when powered off”. When the socket is powered on, the internal mechanical buckle will firmly lock the plug, fundamentally eliminating the dangerous operation of live plugging and unplugging, and avoiding equipment short circuits, burnout caused by electric arcs in a 400V high – voltage environment, or serious accidents of electric shock to personnel. When the plug is not fully inserted and locked in place, the circuit cannot be closed to supply power, effectively avoiding hidden dangers such as local heating and abnormal equipment operation caused by poor contact. It also supports padlocking operation. During equipment maintenance, the socket can be fixed in a power – off state to prevent unauthorized personnel from mistakenly closing the switch, which is in line with the safety management specifications of industrial sites.
The product shell is integrally formed with high – quality PA66 engineering plastic, which has good flame retardancy and anti – aging performance. With an IP44 protection level, it can effectively block the intrusion of industrial dust and resist splashing water from any direction, suitable for non – immersed industrial scenarios such as factory workshops, outdoor temporary power distribution areas and semi – open – air operation platforms. The internal conductive components are made of H59 – 1 brass rod, which has excellent electrical conductivity and strong oxidation resistance. The terminals adopt a screw – tightening design to ensure firm wiring that is not easy to loosen, which can reduce the heating problem caused by the increase of contact resistance during long – term use. The product is suitable for a working temperature range of – 20℃ to 70℃, and can cope with temperature changes in most industrial scenarios. It is widely used in mechanical processing, building materials production, outdoor construction auxiliary equipment and other fields, providing safe and reliable power supply connections for three – phase equipment that does not require a neutral wire.
