Lenze SMV Frequency Inverter
The SMV range of frequency inverters from Lenze is now available with an integrate isolator. This standalone drive is the answer for modernising a vast number of drive situations encountered throughout industry. With IP65 enclosure it can be used anywhere on motors up to 7.5kW with 1 and 3 phase supplies. This represents 70% of the ac motors used in the UK. The addition of a simple isolator without reducing the
enclosure class makes the SMV even easier to integrate into machine concepts.
These inverters are an easy way to convert fixed speed motors to variable speed running. Uses include improving comfort levels in ventilation systems, allowing the drive to stop or run at creep speed when there is no demand and matching speed to the demand from the load, as is often needed with fans and pumps. In all these cases the SMV inverter can be simply fixed to any flat surface near the motor without requiring a
panel. Energy cost start falling as the speed reduces. In fact the saving is proportional to the cube of the speed, so a reduction of only 20% can cut electricity bills by 50%. The result is that payback periods of less than a year are commonplace.
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