Fan 40x40x28mm, 12V DC, IP20, SUNON PSD1204PQBX-A, 4pin PWM

The compact axial fan SUNON PSD1204PQBX-A is designed for forced cooling of electronics in limited space. Thanks to its 4-wire connection with PWM control, it is suitable for applications where speed control and stable heat dissipation from power elements, server assemblies or industrial equipment are required.

Technical specifications

• Manufacturer: SUNON
• Model: PSD1204PQBX-A
• Type: axial DC fan
• Dimensions: 40 × 40 × 28 mm
• Power supply: 12V DC
• Current: 0.81A
• Power consumption: 9.6 W
• Control: PWM (4 wires)
• Bearing: double ball bearing

Functions and features

• 4-wire connection allows PWM speed control
• Double ball bearing is suitable for long-term operation
• Compact 40 mm design for installations with limited space
• Designed for forced cooling of electronic assemblies

Ideal for

• Server and network elements
• Industrial control units and switchboards
• Power supplies, converters and power modules
• Cooling densely packed electronic devices

Package contents

• 1 pc fan SUNON PSD1204PQBX-A

Why choose this product?

• Verified SUNON fan model with defined electrical parameters
• PWM control for integration into cooling control systems
• Ball bearing design for more demanding operating conditions

Installation and operating instructions

• Before installation, verify the mechanical dimensions, airflow orientation, and mounting hole spacing of the device.
• For proper PWM control function, use a compatible 4-pin control output.
• Ensure sufficient air supply and exhaust to prevent recirculation of warm air

Safety notice

• The fan is designed for 12 V DC power supply; do not connect to a higher voltage
• When handling, ensure protection against objects entering the rotor and secure fastening against vibrations.
• Before connecting, disconnect the device from the power supply and check the correct wiring.