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Square 12cm chassis fan, black plastic frame, four-wire 48V power connector

Haywards

Haywards 48V 12cm Sanyo 12038 109r1248h1031 chassis fan

SKU CH-0MYQ-9E25M

A 48 V, 12 cm server chassis fan with two ball bearings and a four-wire PWM interface

  • 48 V DC operation suits server chassis
  • Two ball bearings rated for 70000 hours
  • PWM intelligent temperature control adjusts speed
  • 18000 RPM delivers 19.4 CFM airflow
  • 4-wire 4-pin interface with speed measurement

48V 12cm server chassis fan

This 48-volt 12-centimetre fan is built for Sanyo 12038 model 109r1248h1031 server chassis cooling. It suits technicians who need a direct replacement for that specific part number in rackmount or pedestal servers.

4-wire PWM speed control limits

The four-wire interface supports PWM intelligent temperature control and speed measurement. Operating voltage ranges from 7.0 to 13.4 volts, so the fan will not start reliably below 7.0 volts and must not exceed 13.4 volts.

Two ball bearing 40mm plastic frame

A double ball bearing and plastic heatsink material give a rated life of 70000 hours. The 40 by 40 by 28 millimetre frame with four mounting lines fits standard 40-millimetre cut-outs, while 54 dB noise at 18000 RPM suits high-airflow roles rather than quiet workstations.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 67% of the 3,838 comparable items (median $41.99).

Specifications

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Product typeOther

Questions about this item

Which voltage version suits a 48 V server chassis?

The 48 V model is built for 48 V DC power rails and matches the Sanyo 12038 109r1248h1031 specification.

What does the 18000 RPM rating mean once the fan is installed?

It spins up to 18000 RPM ±10 % under PWM control, moving 19.4 CFM while producing 54 dB of noise.

What does the 4-pin interface cap in practice?

The 4-wire PWM interface allows intelligent temperature control and speed reporting between 7.0 V and 13.4 V operating range.

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