FSD60-2RA UL Classified 1 1/2 hr. Class II, Airfoil Blade
The FSD60-2RA is a 1 1/2 hour UL555 Classified Fire Damper and a UL555S Class II Classified Smoke Damper. It is designed for vertical installation and features: :
Installs completely from one side.
Easy mounting strap installation that doesn't require damper sleeve or mounting angles.
Fail-safe design, which enables the damper to automatically assume the desired position when fire interrupts operational power.