WDH-31-500 motor controller mccb automation plc siemens

WDH-31-500 is a new generation multi-functional intelligent motor protection controller for the thermal relay, time replay and asynchronous motor etc. There are 16 motor protection types including residual current, star-triangle, current unbalance, residual CT, direct start, bi-direction start, start timeout, phase-sequence, phase loss, external fault, tE time, short circuit protection, overload and underload protection. It can be the equivalent of SIMOCODE pro 3UF7, Multilin MM300, TeSys T and UMC100. It has achieved international basic standard IEC 60079-14, IEC 60079-17, IEC 61241-14, IEC 61241-17. It is widely used in chemical industry, steel, mining, water supply, waste water treatment, pharmaceutical, power plants, asynchronous, asynchronous motor, belt distribution, HVAC system, fan controller, protection and monitoring.