RAMPS1.4 RRD Fan Extender


In stock

SKU: 1121392
  1. max 20V
  2. 2 (PWM controllable) channels (D6/D11)
  3. max 0.5A per channel (enough for a really big fan)


(Including GST)

In stock

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Brand: Generic
Category: Cooling Fans
Tags: cooling fan, extender

The RRD-FAN-EXTENDER is exactly what you need in this case. It is a plug and plays solution to mount the FAN for DUAL-EXTRUSION setups with RAMPS1.4. But instead of

adding only one additional output port, the RRD-FAN-EXTENDER is equipped with 2 PWM controllable channels(D6/D11). The second channel can be used for another fan

(e.g. to cool the stepper driver) or for adding light control (e.g. add a dimmable LED light to your machine).


  1. Flexible output voltage (you can connect the RRD-FAN-EXTENDER to 12V,5V,… in order to support the output voltage you need)
  2. Each channel has a flyback diode
  3. Easy setup (plug and play)
  4. Already supported by Marlin firmware (choose “#define MOTHERBOARD 34”)
  5. Easy to adapapt to other firmware (e.g. Sprinter: just change “#define FAN_PIN 6” in “pins.h”)

Package Includes:

1 x RAMPS1.4 RRD Fan Extender

SKU: 1121392 Category: Tags: ,
Item Type:

Other Cooling Fan Accessories

Dimensions in mm (LxH)


Rated Voltage (V):


Speed (RPM)



Black, Red


Metal, Plastic

Max Voltage


Max Current (A)

0.5A per channel

Shipping Weight 0.003 kg
Shipping Dimensions 7 × 7 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China