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MICROMASTER 420 Operating Instructions
MICROMASTER 420 Operating Instructions
DAYE:11/28/2015 12:09:59 AM

The MICROMASTER 420s are a range of frequency inverters for controlling the

speed of three phase AC motors. The various models available range from the

120 W single phase input to the 11 kW three phase input.

The inverters are microprocessor-controlled and use state-of-the-art Insulated Gate

BipoIar Transistor (IGBT) technology. This makes them reliable and versatile. A

special pulse-width modulation method with selectable Pulse frequency permits

quiet motor operation. Comprehensive protective functions provide excellent

inverter and motor protection.

The MICROMASTER 420 with its default factory settings, is ideal for a large range

of simple motor control applications. The MICROMASTER 420 can also be used

for more advanced motor control applications via its comprehensive parameter


The MICROMASTER 420 can be used in both ’stand-alone’ applications as well as

being integrated into ’Automation Systems’.

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