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Square black aluminium frame 172 by 150 by 38 mm with central rotor

Fans

Fans SJ1738HA2 case fan 172x150x38mm 220V 25-31W 185-245 CFM ball bearing

SKU CH-583T-SCW1T MPN SJ1738HA2

AC 220 V case fan measuring 172 × 150 × 38 mm delivers 185–245 CFM at 2 850–3 450 RPM with ball-bearing durability rated 60 000 hours at 40 °C

  • Air Flow15-20 CFM
  • High airflow at 185–245 CFM for effective cooling
  • Dual-voltage 110V/220V AC operation suits varied power supplies
  • Ball bearing rated 60,000 hours at 40 °C for long life
  • Wide temperature range –20 °C to 70 °C handles harsh environments
  • Compact 172×150×38 mm frame fits standard mounting holes

Industrial AC Cooling Fan

The Fans SJ1738HA2 is a 172 by 150 by 38 millimetre AC axial fan built for 220 volt mains supply. It uses a ball bearing and a black-painted aluminium alloy frame rated for continuous operation between minus 20 and 70 degrees Celsius. Designed for UPS units, inverters and industrial enclosures that need steady airflow without a DC power source.

Replaces Older Mains Fans

This model suits maintainers swapping out worn 110 volt or 220 volt fans of the same 172 by 150 millimetre footprint and 161.5 millimetre mounting centres. The jump is worth it when the existing unit has exceeded the 60000 hour rating at 40 degrees Celsius or when noise has risen above the specified 54 to 57 dB-A range.

Check Voltage And Mounting First

Verify that your equipment supplies 220 volt AC and that the cut-out matches the 172 by 150 millimetre frame with 161.5 millimetre hole spacing. Confirm the 25 to 31 watt draw fits the circuit protection and that the 185 to 245 CFM airflow meets the thermal design. Bulk packaging means no retail box is included.

Highlights

  • High airflow at 185–245 CFM for effective cooling
  • Dual-voltage 110V/220V AC operation suits varied power supplies
  • Ball bearing rated 60,000 hours at 40 °C for long life
  • Wide temperature range –20 °C to 70 °C handles harsh environments
  • Compact 172×150×38 mm frame fits standard mounting holes

Specifications

Air Flow15-20 CFM

Questions about this item

What mounting hole spacing does the 172 mm frame require?

The mounting holes are spaced 161.5 mm apart, matching the 172 x 150 mm frame dimensions.

How is the fan wired for 220 V AC operation?

Connect the two supply leads directly to a 220 V AC source; the unit has no PWM or speed-control header.

When should the ball-bearing assembly be replaced?

At 40 °C ambient the bearings are rated for 60,000 hours of continuous operation.

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