Cooper Industries Wheelock Series Bells

The Wheelock Series MB Motor Bells provide a better engineered motor bell for fire and life safety alarm systems. The Wheelock Series MB Bells include higher dBA, low current draw, built-in trim plate for semi-flush mounting, low frequency aluminum shells, and low RFI noise. The motor for Series MB Bells is a durable, high torque, permanent magnet motor selected for its high performance and long life. These DC vibrating Series MB Motor Bells are offered in 6” and 10” shell sizes in both 12 and 24 VDC models.

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Cooper Industries Wheelock Bells
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 to minimize included noise on the NAC circuit
Mounting options for surface, semi-flush, outdoor, and concealed conduit installation
Built-in trimplate makes semi-flush mounting simpler and less expensive
Screw terminals permit fast in-out field wiring of #12 to 18 AWG wire
Polarized for DC supervision of NAC circuits
Operates on filtered or unfiltered DC
Approvals include
- UL Standard 464
- Factory Mutual (FM)
- California State Fire Marshal (CSFM)
- New York (MEA)
- Chicago (BFP)