B&M Siren technical tech information specs service quality dependable restore rebuild repair

An examination of some common questions and concerns regarding sirens

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Effectiveness at operating distances     

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Mounting versatility     

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Current draw     

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Electro-mechanical sirens vs. electronic 'sirens'     

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Quality of our sirens     

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'Those things are too loud!'     

The B&M automatic Non-Rolling Brake

Installation and Maintenance Manual,
Mounting and Wiring Diagrams


Certain internal components contain small amounts of lead-bearing solder.  Do not disassemble the siren beyond the points listed in the Installation and Maintenance Manual without taking steps to protect against exposure.  Contact the Factory for further information.