Belimo BF120-2 Control R-410A If the switch shows no

If the switch shows no continuity at room temperature

Reliable Fail-Safe: Professional-grade spring return functionality ensures the damper returns to its normally closed position immediately upon power loss

and this switch provides the necessary protection against restricted airflow or blower failure

while the pivot design compensates for spring side thrust

ensuring a direct replacement that matches original wiring and mounting footprints

Belimo BF120-2 Control R-410A If the switch shows noThe Belimo BF120 2 is a robust fire and smoke damper actuator designed for critical safety applications in HVAC systems. Operating on a 120V AC power supply, this spring return actuator provides reliable on off control to ensure dampers return to their safety position during power loss or fire alarm triggers. Built to European specifications, the BF series delivers high torque performance, typically 18 Nm (159 in lb), making it suitable for larger