These power supply units provide a low-cost safety enhancement, making it ideal for many uses, such as educational use.Features and Benefits:Plugs in to a standard 13A socket and output is via a 3-pin socketSuitable for use with all 24V AC versions of Antex models C, CS & XSVersatile and can be used with any other 24V AC iron with a maximum power rating of 25 wattsTypical Applications:Education