4-Wire Pulse Width Modulation (PWM) Controlled Fans Specification

Required Features

4 Required Features

4.1.1 Polarity Protection

Fan motor shall have polarity protection.

4.1.2 Rotor Lock Protection

Fan rotor shall have lock protection and auto-restart

4.1.3 Wire Length

To be specified in individual fan specification based on application

4.1.4 Wire Type

Wire type shall meet the following minimum qualifications: UL recognized appliance wiring,

style UL1430, rated minimum 105C, 300V, 26 gauge.

4.1.5 Connector Housing

Wire shall be terminated with 4-pin connector housing, Wieson part number 2510C888-001,

Molex 47054-1000 or equivalent. See Figure 7 for reference drawing

The intended mating header for this connector housing, is Wieson part number 2366C888-007

Molex 47053-1000, Foxconn HF27040-M1, Tyco 1470947-1 or equivalent See Figure 8 for

reference drawing.

4.1.6 Fan Connector Pinout and Wiring Colors

Table 1 Connector Pinout

Pin Function Wire Color

1 GND Black

2 12 V Yellow

3 Sense Green

4 Control Blue