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      PFB1224UHE

      24 VDC Brushless DC Axial Fan
      In Stock
      Ships by Sunday, October 4
      Fast Shipping Available

      Product Describe：

      Delta Electronics PFB1224UHE is a 120 x 120 x 38 mm brushless DC axial-flow fan for forced-air equipment cooling. It operates at 24 VDC and provides up to 252.85 CFM airflow at 5500 RPM.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for PFB1224UHE

      Technical specifications for PFB1224UHE

      • Manufacturer:
        Delta Electronics
      • Product Category:
        General Automation
      • Spare Part Number:
        PFB1224UHE
      • Estimated shipping dimensions:
        12×12×3.8cm
      • Weight:
        0.84 lbs (0.38 kg)
      • Tariff Code:
        8537101190
      • Counliy of origin:
        China
      • Rated voltage:
        24 VDC
      • Operating voltage:
        14.0-26.5 VDC
      • Input current:
        2.00 A (2.40 A max)
      • Input power:
        48.00 W (57.60 W max)
      • Speed:
        5500 RPM (reference)
      • Maximum air flow:
        7.16 m3/min / 252.85 CFM
      • Maximum air pressure:
        35.877 mmH2O / 1.412 inchH2O
      • Acoustical noise:
        66.5 dB-A average (70.5 dB-A max)
      • Bearing system:
        Two ball bearings
      • Operating temperature:
        -10 to +60 C
      • Life expectancy:
        70,000 hours at 40 C
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Delta Electronics PFB1224UHE is a 120 x 120 x 38 mm brushless DC axial-flow fan for forced-air equipment cooling. It operates at 24 VDC and provides up to 252.85 CFM airflow at 5500 RPM.
      • 24 VDC brushless axial-flow construction
      • Two ball bearings for continuous operation
      • 120 x 120 x 38 mm square frame
      • Up to 252.85 CFM at 5500 RPM

      Install Delta Electronics PFB1224UHE in a guarded cooling path with the documented polarity, supply range, frame clearance and airflow direction. Verify current, vibration, noise and cooling performance at the actual equipment duty point.

      Important Notice: Confirm the exact PFB1224UHE marking, red-positive and black-negative lead connection, mounting condition and fan guard before commissioning.

      Apter Power Delta Electronics PFB1224UHE Manuals and Guides
      Apter Power Delta Electronics PFB1224UHE Product and System Technical Reference PDFDelta Electronics PFB1224UHE Official Specification PDF

      The first document is an Apter Power model-specific technical reference. The second is the official Delta Electronics PFB1224UHE specification used as the source record.

      Control cabinet cooling
      Provides forced-air cooling for densely populated electrical and automation enclosures using a documented 24 VDC supply.
      Power electronics ventilation
      Removes heat from converters, power supplies and drives where the installed airflow path matches the fan curve.
      Server and telecom equipment
      Supports chassis ventilation requiring a 120 mm square fan, high airflow and documented static-pressure capability.
      Industrial equipment exhaust
      Provides guarded intake or exhaust airflow within the documented temperature, humidity and mounting limits.
      Before installing Delta Electronics PFB1224UHE, verify the exact model marking, supply polarity, operating voltage, airflow direction, mounting condition and guarding.
      1
      Verify the PFB1224UHE marking and the 24 VDC supply before installation.
      2
      Connect red to positive (+) and black to negative (-); do not reverse polarity.
      3
      Do not press the impeller, lift the fan by its leads or hard-drop the unit.
      4
      Mount the frame squarely and securely to limit resonance, vibration and noise.
      5
      Fit a suitable fan guard during testing and keep the rotating area clear.
      6
      Keep corrosive fluids, powder, water droplets and insects away from the hub.
      7
      Use an external capacitor greater than 4.7 uF when several fans operate in parallel.
      8
      After storage longer than six months, perform a functional test before release.

      Technical notes

      Technical notes

      Connect the red lead to positive (+) and the black lead to negative (-); incorrect polarity can damage the PFB1224UHE. Mount securely to avoid resonance and use an external capacitor greater than 4.7 uF when multiple fans are connected in parallel.

      FAQS

      • What supply should be used for the Delta Electronics PFB1224UHE?
        Provide 24 VDC nominal power within the documented 14.0-26.5 VDC operating range. The rated input is 2.00 A and 48.00 W, with maxima of 2.40 A and 57.60 W.
      • How should the Delta Electronics PFB1224UHE power leads be connected?
        Connect the red lead to positive (+) and the black lead to negative (-). Confirm polarity before energizing because reverse connection can damage the fan.
      • How does the Delta Electronics PFB1224UHE respond to a locked rotor?
        The specification states that current shuts down when the rotor is locked, and the motor-winding impedance protects the motor against fire for 96 hours at rated voltage under locked-rotor conditions.
      • What is required when multiple Delta Electronics PFB1224UHE fans operate in parallel?
        Install an external capacitor greater than 4.7 uF when multiple fans are used in parallel to prevent unstable power.
      • How should the Delta Electronics PFB1224UHE be mounted to control vibration and noise?
        Mount the fan securely and squarely without stressing the frame. Incorrect mounting can create excess resonance, vibration, and subsequent noise.
      • How should the Delta Electronics PFB1224UHE be handled and stored before installation?
        Do not press on the impeller, lift the fan by its lead wires, or drop it. Store within -40 to +75 C and 5-95% RH, avoid high humidity, and performance-test stock stored longer than six months.
      • What cooling duty can the Delta Electronics PFB1224UHE support at its rated voltage?
        At rated voltage the fan is specified for 5500 RPM reference speed, up to 252.85 CFM airflow, and up to 1.412 inchH2O static pressure for high-airflow equipment cooling.
      • What environmental and test safeguards apply to the Delta Electronics PFB1224UHE?
        Do not expose the fan to corrosive fluids; powder, water droplets, or insects may enter the hub. Fit a suitable fan guard during testing to reduce injury risk.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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