Maximum Throughput: The Straight-Thru-Flow design maximizes flow capacity

reducing terminal connection time during busy shifts

mitigating the risk of component mismatch or intermittent communication failures

significantly reducing time on the job site

Belimo FSTF120 Actuator R-410A Maximum Throughput: The Straight-Thru-Flow designThe Belimo FSTF120 Fire Smoke Actuator is a specialized 120V AC solution engineered for life safety applications in commercial HVAC systems. This fail safe spring return actuator provides 18 in lb of torque, ensuring reliable fire and smoke damper control under extreme conditions. Designed for UL555 and UL555S compliance, it features a 75 second motor drive time and a rapid fail safe response of under 25 seconds to prevent smoke migration. The NEMA 2