Our 3KVA portable tool transformers are high-quality double wound units incorporating earth screen between primary and secondary windings and centre tapped to earth. Insulation to class F standards, our completed transformers comply with BS3535, sockets to BS4343. They are fitted into high-impact glass reinforced polyester cases with carrying handles, cable and plug/ In the main, the continuous units are approximately 50% of the intermittent rating, i.e. 3000VA portable power tool transformers intermittent would be 1500VA continuous. All transformers are protected as required.