Welcome to 999 Inverters

Industrial Inverters, Accessories and more

999 Inverters is the specialist inverter division of 999 Automation – Europe’s fastest-growing on-line specialist industrial automation supplier. 999 Inverters provides 24 hour availability from UK stock of ac inverter drives, variable frequency drives, cooling, enclosures and associated products from the market leaders in the inverter world.

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New Ranges

The Schneider Altivar ATV930 Process Drives are high performance inverter drives for demanding applications ranging from 1HP to 500HP. These advanced drives have been design for precise motor control with embedded functionality to support many applications from Hoisting and Artificial Lifts.

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Popular Ranges

The Mitsubishi FR-D700 range is a top level of driving performance in compact body. With excellent usability, enhanced expandability, ensured maintenance and environment-friendly. These drives can help improve any system.

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Recent blog posts

New 690V variable speed drives from Mitsubishi

Published on 07/05/19

Slash of water

Mitsubishi Electric has introduced a new range of high power 690V AC variable speed drives. The move is in support of industries using higher voltage motors due to the savings in capital and operating costs.Significantly, it is still classified as...


Inverters Protect Themselves and Connected...

Published on 09/04/19

Mitsubishi Inverters

It is easy to assume that all inverters drive offer similar functionality, but this is not the case. Mitsubishi FR-F800 Series inverter drives are smarter than ever in their ability to protect themselves and connected equipment. Variable speed drives...


Is direct torque control enough to make you change?

Published on 12/03/19

Tyre Production Line

Initially, DC drives were used for variable speed control because they achieved good torque and speed response with high accuracy. DC offers accurate and fast torque control, high dynamic speed response and is simple to control. However, while a DC...