This is part of the Harmony XAP, XB2 SL range of metal enclosures for Harmony XB4. This Harmony XAPA2100 is an empty plastic control station with no opening and no hinges. It is shockproof, dustproof, waterproof and vibration-resistant. This insulated enclosure is highly resistant to acids, bases, sea water, mineral salts, all solvents, petrol, diesel, oils and greases. Its protection rating is IP65. It is made of glass-fibre reinforced polyester material. It weighs 0.600 kg and has dimensions of 85 mm wide, 226 mm high and 87 mm deep. It is compatible with the control and signalling devices of the Harmony XB4 range.