3Kg. PowerX fire extinguishers from Thomas Glover come with a 5 year warranty as standard, as well as being fully refillable and supplied complete with a hanging bracket and coated steel handles. For added peace of mind, they are CE approved with a BSI Kitemark. Suitable for all Class A, B and C fire risks, with a 13A / 55B fire rating, this extinguisher is suitable for use on electrical fires in most buildings, such as hotels, shops, restaurants, industrial units, supermarkets and more.. Suitable for all Class A, B and C fire risks. 13A / 55B fire rating. Suitable for most buildings, such as hotels, shops, restaurants, industrial units, supermarkets and much more. Controlled discharge