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MOTORIZED STEEL BELLS 

BL-6B/BL-10B

Description

Mircom’s BL-6B and BL-10B Motorized Steel Bells 
are designed for today’s fire alarm applications.  The 
durable  steel  construction  provides  loud  resonant 
tones necessary for fire alarm installations.  

The  BL-6B  and  BL-10B  bells  use  a  varistor 
suppression element to prevent RFI and EMF noise 
problems to modern fire alarm control panels.

The  motor  used  on  the  BL-6B  and  BL-10B  bells  
operate at a very low current (20 mA) to maximize 
the  number  of  bells  per  circuit.    Both  models  are 
equipped with a pigtail connection for wiring.

Both the BL-6B and BL-10B mount on a standard 
4”  square  electrical  box  for  indoor  use  or  on  a 
BB-206WP  weatherproof  backbox  for  outdoor 
applications.  Mounting on a 4” octagon outlet box 
requires the MP-101 Universal Mounting Plate.

Features

•  Low current draw (20 mA)

•  6 and 10 inch diameter steel shells for long term 

reliability

•  RFI  and  EMF  suppression  prevents  noise 

problems to the fire alarm control panel

•  Polarized for DC supervision

•  Pigtail connection

•  Standard  4  inch  square  electrical  box 

mounting

•  Weatherproof  backbox  available  for  outdoor 

applications

•  Red finish

Mircom reserves the right to make changes at any time without notice in prices, colours, materials, components, equipment, specifications and models and also to discontinue models.

Dimensions

NOT TO BE USED FOR INSTALLATION PURPOSES.

5261

S5375

S5375

CATALOG NUMBER

7135-1477:152

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