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NOHMI BOSAI FBM01U-D Fire Alarm Bell

Made in Japan
Manufacturer: NOHMI BOSAI
Model: FBM01U-D

Features of FBM01U-D

  • Indoor/outdoor motor driven design
  • Polarized mode with wide voltage range using filtered DC or unfiltered FWR input voltage
  • Terminals for fast in/out field wiring
  • High sound dB output with low current draw
  • Built-in trim plate for a clean flush mount installation
  • Gong size 6 inches only
  • RFI and EMI noise suppression element built-in
  • Red color only

Description of FBM01U-D

  • The FBM01U-D is an indoor/outdoor bell utilizing a specially designed gong that gives out a loud mechanical resonant tone.
  • The improvement is designed to make the bell more effective and provide performance and dependability at a low current consumption.
  • The bell design incorporates a micro-motor with built-in varistor suppression element to reduce RFI and EMI interference found in microprocessor driven fire alarm control panel.
  • The terminal is designed to make it convenient when wiring or trouble-shooting is made.
  • The design features as a result save you time and provide a more effective installation for maximum performance.
  • The FBM01U-D is made available in 6 inches gong size and is painted red to enhance its appearance and provide a long durability.
  • The FBM01U-D requires 24 VDC as the rated voltage input for its operation.
  • The 24 VDC power can be derived from the control panel or a UL listed remote power supply.

Specification

No. Item Specification
1 Gong size 6 inches 6 inches
2 Rated voltage 24 VDC
3 Rated current 12 mA
4 Operating range 16 to 33 VDC
5 UL rating 87 dB
6 Indoor measurement 83 dB
7 Operating temperature range 0°C to 49°C (32°F to 120°F)
8 Applicable electrical box for installation North American standard 4 inches square back box and 2 inches wide gangable or non-gangable switch box for indoor use. Dedicated weather proof back box for outdoor use (BBX-4)

Detailed Electrical Specifications for Opration

Voltage DC mA UL FWR mA dB (UL) dB (Typical)
16VDC 7.0 8.0 87 83
24VDC 12.1 12.4 87 85
33VDC 13.5 24.2 87 89

Detailed Electrical Specifications for Opration

16VDC 24 VDC 33VDC
UL Typical UL Typical UL Typical
DC mA UL FWR mA dB dB DC mA UL FWR mA dB dB DC mA UL FWR mA dB dB
7 8 77 81 12.1 12.4 83 87 13.5 24..2 85 89

Installation and wiring information

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