To run a British unit (240v) in countries supplying 110V electricity you need a 500W step-UP transformer.
To run a unit from countries supplying 110V electricity you need a 500W step-DOWN transformer to run the unit in the UK.
UK compressors require a 50Hz power supply.
Channel Island Enquiries: EuroCave can be seen at Dunells, Premier Wines, Jersey - www.dunells.com