AC Tech: ac drives
The MCH Series variable-frequency drives are designed for hvac applications such as centrifugal fans, blowers, pumps, and cooling towers. The drives can be specified for operation at all standard voltages from 200 through 590 V, and from 1 through 250 hp. The standard offering is available as a drive only or with enclosed options such as input disconnect or circuit breaker, line reactor, and either manual or automatic three-contactor bypass. Operation can be controlled from the drive’s keypad, remote control devices, or from the building management systems.