Description
The Carrier HR46TN040 Motor Master is a electrical regulate component that is used to control the speed and commercial heating, ventilation and air conditioning equipment. It regulates electrical frequency and voltage to the blower, pump or compressor motors so that they can operate at variable speed in the system. It is mounted in motor control panels or equipment cabinets and is connected to control wiring and power connections. It is used to improve the efficiency of motors, decrease the mechanical stress, and enhance the ability to modulate the airflow or fluid flow in the air handlers.
