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Belimo NF Series Actuators

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  • Product Description

    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.

    The NFB24 series actuators provide true spring return operation for reliable fail-safe application and positive close off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator. The NFB24 series provides 95° of rotation and is provided with a graduated position indicator showing 0° to 95°. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches.

  • Additional information

    Weight N/A
    Dimensions N/A
    Models

    NFB24(2-position, 24V), NFB24-S((2-position, 24V), end switch), NFBUP(Up to 240V,180 in-lb), NFBUP-S(up to 240V,180 in-lb, end switch), NFB24- SR(modulating, 24V), NFB24-SR-S(modulating, 24V, end switch)

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  • Downloads

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