Dc12V Pwm Fan Speed Controller Module With Switch 3/4 Wire Motor Governor Electric Fan Speed Control Knob For Computer Pc Case

Description: 100 new and high quality Supports stepless speed regulation for 3-wire and 4-wire motors, compatible with various server fans and cooling devices. Size: about 4*2.8cm/1.57*1.1in Color:As Pictures Package Included: 1Pcs Features: 1. Support 3-wire, 4-wire motor stepless speed regulation, adapt to a variety of server fans and cooling equipment. 2.PWM pulse width modulation technology, precise speed control, smooth and quiet operation. 3.DC12V power supply design, with independent switch, easy to use. 4. High efficiency and energy saving, reduce power consumption and extend fan life. 5. Compact structure design, convenient installation, suitable for various chassis and server environments. Friendly Reminder: 1. Wiring requires three wires, positive and negative poles and speed control lines; Generally, server fans have 8 wires, 2 positive poles, 2 negative poles, 2 speed control wires and 2 speed measurement wires. The first 6 wires can be connected, and speed measurement does not need to be connected. 2. Suitable for all kinds of server fans, does not support two-wire fans. 3. The wiring must confirm that the positive and negative poles are rewired. The product has no reverse connection protection and will burn after reverse connection. Notes: Due to manual measurement , there may be 5mm deviation exist,hope you can understand. There are slight difference between the picture and the item caused by light brightness,hope you can understand. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.