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Small square 4cm cooling fan with three wires and plastic frame

TSUJ

TSUJ Kepler-C72J-OYS-0374 2 in 1 accessory

SKU CH-PZHP-GDVKZ

A 24 V DC 0.18 A three-wire cooling fan for switch power supplies

  • Key featuresDC24 V 0.18A EFB0412VHD 4020 4 cm 3-Wire Switch Power Supply
  • 24 V DC input powers the fan directly
  • 18 A draw keeps energy use low
  • 3-wire connector enables speed monitoring and control
  • 4020 form factor fits 4 cm mounting spaces

TSUJ 2-in-1 Cooling Fan Accessory

This TSUJ accessory is a 24 V, 0.18 A cooling fan designed for 2-in-1 laptop systems. It uses the EFB0412VHD 4020 model with a three-wire connection for power and speed control. The unit operates as a direct replacement fan for compatible devices.

Replaces Worn Original Cooling Fan

Install this fan when the original cooler becomes noisy, spins slower or fails completely. The three-wire interface matches the original pinout so the system can regulate speed automatically. Buyers needing a different voltage, connector type or larger form factor should choose another part.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 95% of the 7,473 comparable items (median $56.99).

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Specifications

Product
Brand nameTSUJ
Part numberKepler-C72J-OYS-0374

Questions about this item

What mounting holes does the 4020 fan use?

The 4020 frame follows the standard 4 cm square pattern with corner holes spaced for M3 screws, matching typical 40 mm × 40 mm cut-outs.

How do I connect the three wires correctly?

Connect red to 24 V, black to ground, and the third wire to the tachometer or PWM header; reversing power and ground will prevent the fan from spinning.

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