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Transwave Rotary phase converter 7.5hp

Part Number
MSR rotary phase convertor 7.5hp

In a home workshop, farm, garage or small business environment there is often a requirement for the operation of machinery driven by three phase induction motors where only a single phase electricity supply is available.

Our TRANSWAVE Converter provides an artificial means by which a 3 phase motor can be operated from a single-phase supply thereby offering a cost-effective solution to this dilemma. In most instances, no modification to the machine is necessary.
The Rotary Converter is particularly suited to the multi-motor, multi-operator environment. Multi-motor applications can be accommodated up to the maximum loading of the converter provided that the specified maximum single motor load is not exceeded.
The Rotary Converter is often operated in conjunction with machine tools, however it is also suitable for applications where equipment has a heavy starting load or is subjected to an abnormal surge current. Vehicle Hoists, Compressors, Pumps and Extractor Fans fall into this latter category. It should be noted that converters are designed for applications with a cyclic duty. Please seek advice for continuous duty applications.
Currently, eight sizes of Rotary Converter are available designed to operate single motor loads up to 18.5kW (25hp) and multi-motor loads up to 22.0kW (30hp).

All TRANSWAVE Converters automatically control the motor starting surge, maintaining the surge until the motor has attained its full running speed irrespective of time taken. The Rotary Converter establishes an artificial three-phase supply independently of the driven machine/load. The converter has no minimum load, however there is a maximum single motor load that should not be exceeded for starting reasons. Unlike most Rotary Converters on the market, the maximum single motor load equals the multi-motor load for most sizes of TRANSWAVE Rotary Converter.
The RT converter output takes the form of an industrial-style socket/plug (three-phase, neutral and earth). The MT converter is fitted with a set of output terminals.

The output neutral facilitates the use of 240-volt control circuits and small auxiliary loads. The use of a three-phase distribution board or similar is recommended for multi-motor applications requiring more than one output from the converter.
Any number of motors can be operated simultaneously from the Rotary Converter provided the converter rating is not exceeded, either on a single motor or multi-motor basis. Regulation of output power is automatic. The operator does not have to regulate the power level to suit the particular motor in circuit as would be necessary with a Static Converter. Anomalies associated with the use of a Static Converter relating to fractional horsepower motors, multi-speed motors and sequential starting do not apply to the Rotary Converter.

Order before 3 pm and we'll aim to despatch stock items under 30kg the same day, on a next day service Monday to Friday.

Please allow 1 to 2 working days for delivery if you are in Highlands, Islands or Northern Ireland.

These parcels are sent are sent by APC Courier as standard.

For urgent orders, please phone us as we can offer recommend using one of our Premium delivery services or even same day couriers [at extra cost]

Sadly there is no one size that fits all so we offer a personal service tailored to your needs - We have lots of options and specialists so we can offer:

Next Day nationwide delivery with APC Couriers at low cost or we offer FREE Eco Delivery upto 30kg locally

Pallet service for some machines which is very economical but only suitable for certain items [and goods that are simple to tranship]

Dedicated vehicles with either curtain side [and tail lift unloading in some cases]

Specialist machinery movers with HIab crane off loading and position machines in your workshop or factory. Some of these options take a few days to organise and have availability.. If you are in a rush for a machine, give us a call during normal office hours so we can see what is possible for your chosen machine and location.

We also export our tools and machinery to over all of Europe and to 145 other countries worldwide! Depending on your needs we can offer:

TNT or DHL Courier – Fastest upto 30kg and Online orders.

International Airfreight – Fast for larger items and machines needed in a hurry

Containerisation for several machines, tools and spare parts if you need a complete workshop – Most economical

LCL Shipments for individual machines – Very Economical for one of heavy machines

Have you own Transport or Courier Company?

Use our click and Collect System and we can do the documentation for DHL, TNT, Fedex or others

In Stock
Finance from £48.81 a month

Terms and Conditions apply. More Info

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  • Model RT-5.5KW
  • Minimum Load No Minimum
  • Max single motor load 4kW/5.5HP
  • Max multi motor load 5.5kW/7.5HP
  • Fuse/ Circuit Breaker 32A
  • Cable 4 mm

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The figures shown are an illustration based on the cost of goods. Final details including shipping and discounts where applicable will be displayed on the checkout page.

Credit subject to status and affordability. Terms & Conditions Apply. Scott+Sargeant Woodworking Machinery Ltd trading as Scott+Sargeant Woodworking Machinery Ltd is a credit broker and is Authorised and Regulated by the Financial Conduct Authority. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC, authorised and regulated by the Financial Conduct Authority. Financial Services Register no. 704348. The register can be accessed through

IMPORTANT: Novuna rounds down the monthly payments, which may result in your total amount payable being less than the total cash price.

More Information
Part Number MSRT7.5
Manufacturer Transwave
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