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Inverters offer a choice of controls

26 November, 2008

SPS logoMoeller made its first appearance as part of the Eaton Corporation at the recent SPS/IPC/Drives show and marked the event with a new range of compact, easy-to-use frequency inverters, said to have a good torque response. The M-Max inverters (shown below) support both V/f and sensorless vector control, and will be available in seven single-phase versions from 0.25–2.2kW, and nine three-phase versions from 0.37–5.5kW. They are designed for the global market, and have CE, UL, cUL and cTick approvals

Moeller M-Nax inverters

Built-in functions include: PI control; flying starts; a configurable response in the event of faults; and preconfigured parameter sets for common applications. There are six digital inputs, two analogue inputs, two relay outputs, and one digital and one analogue output. The drives have an RS-485 port that supports the Modbus protocol.

The inverters can be programmed via built-in keypads or on a PC using memory modules that plug into a USB port and can be used to clone parameters from one inverter to another. They can be mounted on DIN rails or using mounting plates.

The drives will be available during the first quarter of 2009.

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