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Wheelock®
MB Series Motor Bells
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Features
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Specifications
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 Approvals include UL Standard 464, California State Fire Marshal (CSFM), New York City (MEA), Factory Mutual (FM), and Chicago (BFP).
Complies with OSHA 29, Part 1910.165.
High sound output with low current draw.
Low frequency aluminum shells for better audibility through walls, doors and other structures.
6" and 10" shell sizes in 12 or 24 VDC models.
Integral RFI suppression minimizes included noise on the NAC circuit.
Polarized for DC supervision of NAC circuits
Operates on filtered or unfiltered DC.
Screw terminals permit fast and secure in-out field wiring of #12 to #18 AWG wire.
Attractive textured finish to enhance appearance and durability.
Mounting options for suface, semi-flush, outdoor, and concealed conduit installation.
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Rated input voltage: 12 VDC and 24 VDC models available
Input current: 0.410 on 24 VDC models; 0.152 on 12 VDC models.
Rated dBA at 10 feet: 92 dBA on 6" shell models; 88 dBA on 10" shell models
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Wheelock's MB Series alarm bells provide a better engineered, high performance and long life motor bell for fire and life safety alarm systems. They feature higher dBA, low current draw, built-in trim plate for semi-flush mounting, low frequency aluminum shells and low RFI noise, with a high torque permanent magnet motor. |
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