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IP55-rated frequency inverter

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article image The ultra-compact IP55-rated MOVITRAC LT frequency inverter.
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SEW-Eurodrive has extended its MOVITRAC LT series of frequency inverters with the release of an IP55-rated MOVITRAC LT frequency inverter.

Suited to low-power variable-speed applications such as fans, pumps, machine tools and conveyors, the new ultra-compact IP55-rated inverter is field-mountable and includes an on-board isolation feature.

According to SEW-Eurodrive applications engineer Darren Klonowski, the new inverter provides a combination of straight-forward drive performance and ingress protection.

"The IP55-rated MOVITRAC LT boasts all the simple-to-use features of the MOVITRAC LT series, while its field-mount capabilities eliminate the need for a mounting enclosure," Klonowski said.

"Ideal for small drive application exposed to the elements, the IP55-rated MOVITRAC LT is one of industry's most flexible frequency inverters."

Available in two compact frame sizes, the series comprises single-phase 240V units up to 2.2kW, and three-phase 415V units up to 4.0kW.

The use of the latest power modules to achieve an ultra-small footprint, coupled with a range of innovative installation configurations allows customised space-saving installation.

The combination of field mounting and intuitive wiring connections for motor output and power supply, make both mechanical and electrical installation easy. In addition, the use of 14 standard configuration parameters streamlines setup time--in many basic applications the factory default settings can be used.

An integrated keypad, LED display, isolator, logic switch and potentiometer allow local control and programming of the MOVITRAC LT range of inverters.

The functionality that sets the MOVITRAC LT series of frequency inverters apart includes programmable I/O for maximum flexibility, the option of silent motor running with 32kHz 'quiet switching', the availability of 'cold plate' heat sink technology, and the incorporation of a radio frequency interference (RFI) filter that results in C-tick compliance.

The industrially robust unit is also rated to 50°C ambient temperature and will withstand 150 per cent overload for 60 seconds.

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