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FSTF24-S US Fire & Smoke Actuator, On/Off , 24V , spring return (fail-safe), built-in auxiliary switch The type FSTF 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. Square footage of damper operated will depend on make and model per damper manufacturer UL testing. Download the Data Sheet
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🇺🇸 Ship from USA · On Agora since 2025
$391.60