Motorized Fire Damper

• Combined fire and smoke damper (combination type)
• UL 555 (fire) and UL 555S (smoke) dual listing
• Electric actuator with fail-safe spring return to closed
• 24V DC or 230V AC actuator options
• BMS and fire alarm system (FAS) integration
• Position feedback: open/closed signal to FAS
• Suitable for pressurized stairwells, smoke control systems
• Blade material: galvanized steel with intumescent seals
• Manual override and position indicator built-in
• Periodic testing mode via BMS without system shutdown