The simplicity of the design incorporates fewer working parts, easy installation and high level of efficiency capable for operating under most adverse conditions. Demco alarm bells are designed to meet the requirements of EN54-3:2001.
Model D-102 is very suitable for Surface or Semi-Conceal fixing which in this case the base of bell can be sunk into wall using a junction box so that the edge of the bell is only 12mm from the wall surface.
• Well proven high reliability
• Interchangeable base
• Wide operating voltage range
• Zero standby current
• Low current consumption
• Loud and clear ringing tone
• Universal application-available in three DC voltages — 6V, 12V and 24V. AC voltages available in 110V and 240V for use with most alarm systems.