A loud ringing mechanical bell that must be powered by a external transformer. A 1 amp transformer is required for a single bell connection and a 2 amp transformer for a 2 bell system. The maximum wiring length for standard bell wire is 9m (0.33mm solid copper core cable), for greater lengths a higher grade cable is required (to avoid "voltage drop").
For Sound Sample Click Below :
For Instruction Manual : [ Click Here ].
• Colour, Black.
• Power, 8v 1amp, transformer powered only, [ Model 7770 ]
• Sound Level dB@1M, 90db (Can be heard 80m away).
• Door Chime Dimensions, 70mm Diameter.
• 8v, 1 amp transformer, code 7770
• 8v, 2 amp transformer, code 7781
• Bell Wire 9m length code 7200
• Selection of Bell Push Buttons [ Click Here ]