Overview
The FPPI 02-450-50 is a 10-inch alarm bell engineered for fire protection system installations requiring reliable audible notification. Designed to comply with NFPA 13 standards, the FPPI 02-450-50 operates at 24VDC with a 100mA power draw and produces a 96dB output signal. This bell serves as an occupant notification device and aids first responders in locating fire sprinkler system entry points (FDCs). It is commonly installed in conjunction with waterflow switches and pressure monitoring devices in sprinkler systems across commercial buildings, educational facilities, and industrial plants.
Key Features
- 10-inch gong size for maximum audible coverage in occupied spaces
- 24VDC operation with 100mA current consumption for low-power integration
- 96dB sound output ensures rapid occupant notification and emergency response
- NFPA 13 compliant for waterflow alarm applications
- Red finish for high-visibility installation in fire protection systems
- Field-replaceable gong and striker mechanism for long service life
Technical Specifications
- Operating Voltage: 24VDC
- Current Draw: 100mA
- Sound Output: 96dB
- Bell Diameter: 10 inches
- Finish: Red
- Installation Height: Minimum 8 feet above floor
- Mounting: 4-inch square standard outlet box
- Compliance: NFPA 13, UL Listed
- Part Number: 02-450-50
Typical Applications
- Fire sprinkler system waterflow alarms
- Pressure drop and valve tamper detection
- Occupant notification in high-noise environments
- Educational facilities, office buildings, and industrial plants
- Retrofit and new installation fire protection systems
Compatibility & Replacements
Compatible With
- Electronic waterflow switches (NFPA 13 compliant)
- Pressure monitoring devices
- Fire sprinkler system control panels
- 24VDC power supplies for fire alarm systems
- Standard 4-inch electrical outlet boxes
Replaces / Drop-In Replacement For
- FPPI 02-450-50 (existing stock or refurbished units)
- Compatible as direct replacement in systems originally specified for FPPI 24VDC 10″ alarm bells
Works With
- FPPI Back Box (Model 02-454-00)
- FPPI Bell Guard (Model 02-457-00)
- FPPI Bell Sign (Model 02-057-00)
- Standard 24VDC fire alarm power supplies
- Waterflow and pressure switches compliant with NFPA 13
