ASAKA electric machine use Constant torque inverter motor,double speeds can be freely and smoothly switched. The inverter controls has five -fold protection undervoltage, overheat, overload, overvoltage, overcurrent. Low noise,fully compliant with international standards.The working Class is M5, which means the endurance test reach 1200 hours.For beam travel requirements couple with GM motorized, PT manual push and GT manual geared trolleys.