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Noctua NA-FH1 | User manual

The NA-FH1 is a high-quality, smartly-protected 8 channel PWM fan hub that allows up to eight PWM fans to be run and controlled simultaneously via a single PWM motherboard fan

header or stand-alone controllers such as the optional NA-FC1. Non-PWM fans can be controlled by adjusting the input voltage. Supporting both 12V and 5V fans with 4-pin PWM and 3-pin

connectors, the NA-FH1 is highly flexible and suitable both for PC environments and other 12V- or 5V-based applications. It can be powered either via its S-ATA input (for 12V fans, up to

54W) or 4-pin PWM input (for 5V and 12V fans, up to 24W), both of which are protected against overcurrent with a self-resetting fuse for maximum safety even in case of short-circuits

on the connected devices or cables. The two ports can also be used concurrently with the device, automatically taking power via S-ATA and exchanging RPM and PWM signals via the 4-pin

interface. Status LEDs allow for easy monitoring and thanks to its magnetic fixture, installing the NA-FH1 inside a PC case or on any other steel surface is a breeze. Topped off with CE,

UKCA and UL certifications, full compliance with all applicable safety standards as well as Noctua’s 6-year manufacturer’s warranty, the NA-FH1 is a safe, dependable premium choice for

powering and controlling up to eight fans.

Output connectors: 8x 4-pin PWM

Input connectors: 1x S-ATA (for 12V fans only), 1x 4-pin PWM

Max. power via S-ATA input: 54W

Max. power via 4-pin PWM input: 24W

Max. current per output channel: 3A with S-ATA power (54W max. total output) /

2A with 4-pin power (24W max. total output)

Operating voltage: 5-12V

Operating temperature: -40°C to +60°C

Introduction

Specifications

Interfaces

Flammability class: UL-94 V-0

Safety standards: EN 62368-1, EN 55035, EN 55032, UL-507

Certifications: CE, UKCA, UL

Fan compatibility: all Noctua 12V and 5V fans, many third party fans

Scope of delivery: NA-FH1, NA-EC1 4-pin PWM input cable

Size: 93x43x12.5mm

Weight: 31g

Warranty: 6 years

Resettable fuses

Especially when drawing power from a PC power supply via S-ATA connectors, short-circuits on the connected cables or devices can cause hazardous situations such as cable fires. For extra

safety, the NA-FH1 has auto-resetting fuses both on the S-ATA and on the 4-pin input so that it can automatically shut down in case of overcurrent or short-circuits on one of the connected

devices or cables. If one of the fuses has blown, simply disconnect the NA-FH1 from all power sources for 1 minute to reset it. Make sure that current ratings and maximum operating

temperature are within the specified limits before reconnecting.

S-ATA power input

- 12V fans only

- 54W max.

4-pin power input & control interface

- 5V/12V fans

- 24W max.

- PWM control input (from motherboard, NA-FC1, etc.)

- RPM monitoring output (to motherboard, NA-FC1, etc)

Fan output 1

(RPM monitoring input)

Fan output 2