CE, ISO9000-TUV, special for wire drawing machine, MOQ: 1 PCS, Delivery time: 3-10 days EM319A Motorized Pay-off Control Inverter 3-phase 380V, 0.75-15kW Technical features:Easy operation, no need to set up parametersCan start when dancer is at any pointNo need for external control signalAutomatically track rotational speed and direction of spoolConstant tension control