
Mircom BL-6B/BL-10B
Motorized Steel Bells
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 BB206WP weatherproof backbox for outdoor applications. Mounting on a 4” octagon outlet box requires the MP101 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
Dimensions

Installation Instructions
Installation Instructions:
- Remove the bell.
- Wire the bell in the circuit.
- Mount ball mechanism on 4” square standard outlet box with the striker facing down.
- Replace the bell.
- The bell must be mounted a minimum of 8 ft. above the floor, or as close to the ceiling as possible.
- Polarized bell provides red(+) and black(-) lead wires.
When you install the bell, polarity must be observed.
Caution:
When electrical supervision is required, use in and out leads as shown.
Notes:
- Observe polarity.
- Red wires positive (+).
- Black wires negative (-).
- For installation in Canada, installation must comply to Canadian Electrical Code, Part 1, ULC-S524-01, the standard for the installation of fire alarm system, and only subject to final acceptance of local AHJ.
- For indoor use: Motor fire bell only.
- For outdoor use: Motor fire alarm bell attached to waterproof box only.
- Mounting to a 4” octagon box requires MP-101 mounting plate.
Specifications
| Model | Description | Voltage | Rated Current | Sound Level at 10 ft dB |
| BL-6B | 6′ Motorized Steel Bell | 24 VDC | 20 mA | 86 |
| BL-1013 | 10″ Motorized Steel Bell | 24 VDC | 20 mA | 90 |
Ordering Informtion
| Model | Description |
| BL-6B | 6” Motorized Steel Bell |
| BL-10B | 10” Motorized Steel Bell |
| Accessories | |
| BB-206WP | Weatherproof Backbox |
| MP-101 | Universal Mounting Plate |
| M-1995 | Yard Hood |
| SG-210 | Grill for 10” Bell Backbox |
Secutron reserves the right to make changes at any time without notice in prices, colors, materials, components, equipment, specifications and models and also to discontinue models.
Modul-R® is a trademark of Secutron Inc.

SECUTRON INC.
Canada 25 Interchange Way, Vaughan (Toronto), Ontario L4K 5W3
U.S.A. 4575 Witmer Industrial Estates, Niagara Falls, NY 14305
Telephone: (905) 695-3545 Fax: (905) 660-4113
Telephone: (888) 695-3545 Fax: (888) 660-4113
Web Page: www.secutron.com
E-mail: [email protected]
Catalog Number 3025
Not to be used for installation purposes.
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