Delta

Delta THB1548AG 172x150x50.8mm 48V DC Axial Fan

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Compatibility checkpoint

Confirm Fit Before Ordering

Use this quick check first, then review the full Product Specifications tab before placing an order.

Before ordering: Compare the original fan label, frame size, rated voltage/current, connector, wire count, airflow direction and mounting holes.
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Price
$51.79
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Share the original fan label, connector photo, or target quantity so the team can check compatibility or quote bulk supply.

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Reference model: THB1548AG

Product Specifications

Review the technical data used for replacement matching, procurement comparison and engineering approval.

Delta THB1548AG specifications and selection

The photographed label identifies THB1548AG, 48V DC, with a 3.6 A current marking. The values below are reference specifications from Delta specification Rev.02, dated 2019-04-15. Confirm the fitted connector and the offered unit before replacement.

Complete model THB1548AG
Bare fan dimensions 172x150x50.8mm
Voltage 48V DC
Operating voltage range 36–60 V DC
Input and nameplate current 3 A input; 3.6 A maximum / nameplate
Input power 144.00 W input; 172.8 W maximum
Speed 7200 (Rev.02 full speed) RPM
Airflow 527.37 CFM at zero static pressure; 14.93 m³/min
Static pressure 3.776 in H2O at zero airflow
Noise 77.0 dB(A) average; 81.0 dB(A) maximum at 1 m intake
Bearing Two ball bearings
Wiring and signals PWM control and open-collector frequency output; standard drawing: yellow PWM, blue FG, red positive, black negative
Photographed configuration no suffix visible clear label
Revision note 7200 RPM is the full-speed value in Rev.02 (2019). The revision of the photographed unit is not established.

What should I check before ordering?

Delta readings follow a ten-minute warm-up. Airflow and pressure are different endpoint tests, not simultaneous operating values. Noise is measured in free air at rated voltage, one metre from the intake in an anechoic chamber. Match the full model, mounting holes, supply voltage and fitted connector. Lead count does not establish pinout or equipment compatibility.

Delta THB1548AG Rev.02 specification, pages 1, 2, 4, 5, 6, 8, 9, 10

For help comparing the full label and connector, send a fan photo.

Original listing photograph: complete label and visible configuration

Replacement confirmation

Compatibility Verification Checklist

Before ordering, please confirm these critical points:

  1. 1
    Exact model number on the original fan label
  2. 2
    Frame size: length, width and thickness
  3. 3
    Rated voltage and current
  4. 4
    Connector type and wire sequence
  5. 5
    Wire count: 2-wire, 3-wire or 4-wire PWM
  6. 6
    Airflow direction and mounting hole position
  7. 7
    Cable length and application environment

Still unsure? Send us photos of your fan label, connector and equipment. We will help check compatibility before you order.

Send Fan Photos Ask for Compatibility Check

Datasheet / Drawing

Use official documents and dimensional references when available. If a document is missing, contact us before ordering for replacement matching support.

Datasheet URL Contact us to confirm
Dimension drawing Contact us to confirm

Bulk Order

For repair batches, OEM projects or distributor replenishment, send the model number, target quantity, connector requirements and delivery destination.

Reference model THB1548AG
Manufacturer / brand Delta
Request Bulk Quote

Shipping & Returns

Shipping options, lead time and return eligibility may vary by product, quantity and destination. Confirm compatibility before ordering replacement fans.

  • For bulk orders, request freight planning and availability confirmation before payment.
  • For replacement orders, compare model, size, voltage, current and connector before installation.
  • Unused items should remain in original condition for return review according to store policy.

FAQ

Common checks for replacement cooling fan sourcing.

Can you help match an old fan?

Yes. Send photos of the fan label, connector and equipment so we can check model, voltage, frame size and wiring.

Can I use a different brand as a replacement?

Often yes, but only after confirming frame size, electrical rating, airflow requirement, bearing type, connector and wire sequence.

What information is needed for a bulk quote?

Send part number, quantity, target lead time, connector or cable requirements and shipping destination.