DC24V Fire Alarm Bell High Sounder Level For Fire Protection System
Introduction
Fire bells play a crucial role in fire alarm systems, providing a reliable and effective means of alerting building occupants to the presence of a fire emergency and the need to evacuate the premises in a timely manner. Proper selection, placement, and maintenance of fire bells are essential to ensure life safety and compliance with applicable fire codes and standards.
Key characteristics and functions of fire bells include:
Audibility: Fire bells are engineered to generate a high-decibel sound, typically ranging from 75 dB to 110 dB, depending on the application and local code requirements. This ensures the alarm can be clearly heard over ambient noise levels.
Distinctive Tone: The sound produced by fire bells is distinct from other building alarms, such as security or equipment alerts. This unique tone helps occupants quickly recognize the need to evacuate the area.
Electrical Operation: Fire bells are powered by the fire alarm control panel, which triggers the bells to activate upon the detection of a fire or manual initiation of the alarm.
Placement and Coverage: Fire bells are strategically placed throughout the protected building or facility to ensure adequate audible coverage. Their locations are determined based on factors like room size, ceiling height, and ambient noise levels.
Integration with Visual Devices: In many applications, fire bells are installed in conjunction with strobe lights or other visual notification appliances. This combined audible and visual alarm helps alert people who may be hearing-impaired or in noisy environments.
Supervisory Monitoring: The fire alarm control panel continuously monitors the integrity of the fire bell circuits, detecting any issues or faults that may compromise the system's reliability.
Parameters
| Voltage ranges | 20vdc to 27vdc (Nonpolarity) |
| Working Current | ≤40ma |
| Sound level | 75dB-115dB (A) @3M |
| Material of cover | Aluminum |
| Operating Temp | -10℃ to +55℃ |
| Operating Humidity Range | 10% to 95% Relative Humidity(Non-condensing) |
Application in Addressable Fire Alarm System
Product Range
Conventional Fire Alarm System
Addressable fire alarm system
Gas Extinguishing control system
Beam Detector
4 wire smoke detectors with relay output.
2 wire Conventional smoke and heat detectors
Explosion-proof flame detector for fire alarm system
Standalone smoke detectors and combustable gas detector
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