• Outputs
- Relay SPDT 1A@24Vdc, 120 Vac
- Analogue 2-10 Vdc
• Relay output for closing fan/damper motor
• Damped output or undamped output
• The analogue output signal 2-10 Vdc can transmit
• smoke or service alarm (dirt level) to BEMS system
• Manual reset or auto reset
• Power supply 24 Vac/dc

The room smoke detector FWD 305-series is an optical room smoke detector type, optical room smoke detector type is also named as photoelectric room smoke detector type.
• Fire alarm siren
• Alarm relay output
• Inter connection with other room smoke detectors
• Test button
• Optical smoke chamber
• Micro processor
• 8 seconds delay before the relay activates
• Power supply 12-24 Vdc
• >24 Vac and 48 Vdc as option
• Battery back-up as option
• Error alarm output as option