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EFB24-S Damper Actuator, On/Off, 24V, spring return (fail-safe), built-in auxiliary switch For On/Off, fail-safe control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications. Control is On/Off from an auxiliary contact or a manual switch. The actuator is mounted directly to a damper shaft up to 1.05” in diameter by means of its universal clamp. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. Maximum of two EF’s can be piggybacked for torque loads of up to 540 in-lbs. Minimum 3/4” diameter shaft and parallel wiring. Download the Data Sheet Download the Installation Guide
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🇺🇸 Ship from USA · On Agora since 2025
$1,097.80