What is a machine transformer?

Machine transformers vary in size from small 20 KVA to large 500 KVA, AC units. These water cooled stacked core transformers are ideal for press, seam and rocker arm welders.

Machine type RWMA 3 pads

RWMA Size 3 Machine Transformer

These transformers frequently have tap switches to expand the power options.

 A press welder with a machine transformer is shown below.

Press Welder

Press Welder with Machine Transformer

Reference: RWMA Manual- Fourth Edition, Chapter 19
                   Roman Manufacturing Inc.
                   Taylor Winfield Technologies Inc.

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