Its single pole double throw configuration allows for versatile wiring as either a normally open or normally closed contact

as the interlocking tooth design requires no lubrication

The Johnson Controls V47AB-27 is a heavy-duty

Durable Construction: Built to withstand the high-cycle demands of commercial HVAC and residential furnace environments

While dimensions suggest high-tonnage application

Belimo FSNF120-S Actuator Freon Its single pole double throwThe Belimo FSNF120 S is a specialized fire and smoke damper actuator designed for life safety applications in HVAC systems. Operating on 120 VAC, this spring return actuator delivers 70 in lb of torque, ensuring reliable fail safe operation during power loss or smoke detection events. Built with a rugged high strength steel housing, it meets UL555 and UL555S requirements for smoke control. This model features two integrated SPDT auxiliary switches for