Safety transformers   A range of double insulated encapsulated isolating transformers allowing easy fitment to machines and providing complete safety. We would not be without them. Transformers measure 110mm tall x 75mm wide x 80mm deep. The height includes the four protruding lugs through which screws can be put to hold the unit to a cabinet. All models have an on/off button which illuminates when input supply is present. All models have appropriately rated input and output fuses and a direct earth line from the mains to the output side. All conform to BSEN 60-065 Below are listed some of the common input and output voltages, but we have many more in stock and they can be made to suit your requirements. Model B3721 230vac input. Output 24Vac .Rated 2.08 Amps.50VA Model B4574. Input 230Vac. Output 12Vac.Rated 4.16 Amps.50VA. Model 3704. Input 230Vac. Output 12-0-12 Vac. Rated 2.08 Amps. 50VA.