Profile: Haes Systems (Manufacturing) Ltd. specializes in fire detection equipment. Our product line includes control panels, power supplies, cabinets, relays & switches, disabled toilet alarm, batteries, detection equipment, call points, sounders and beacons. Our control panels are multi-featured with a range of fire control panels, from a compact single zone, through to 32 zones, conventional or up to 64 zones analogue addressable. The range also includes 'TWIN-WIRE' versions where detectors, call points and sounders can use the same pair of wires, greatly reducing installation costs. Our series 65 range of conventional detectors incorporates well proven sensing technologies, together with advances in materials and electronics technology. A wide operating voltage of 9 - 33vdc means that series65 detectors can be integrated into security systems when used with a relay base.