FSNF120 US | Belimo | Fire&Smoke Damper ActuatorFSNF120 US Fire & Smoke Actuator, On Off , 120 VAC , spring return (fail safe) The type FSNF spring return actuator is intended for the operation of smoke and combination fire and smoke dampers in ventilation and air conditioning systems. The actuator will meet requirements of UL555 and UL555S when tested as an assembly with the damper and will meet requirements of UBC for 15 second opening and closing at 350F. Square footage of damper operated will

FSNF24 US Fire & Smoke Actuator

The Series WD3 Water Leak Detectors protect equipment from water damage by detecting the presence of water

Wetted materials of brass and flouroelastomer are suitable for use with most gases and water based solutions

Requires 24 VAC or 24 VDC power source (WPM800)

LF24-S US Damper Actuator

but not for any later versions

FSAFB24-SR Fire & Smoke Actuator

LF120-S US Damper Actuator

models are available in 2%

Featuring polymer capacitance humidity sensors

AFRX24-MFT Fail-safe Customizable Actuator

proportional 24V non-spring return