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Model Railroad Control Systems

MP4 Switch Motor

$19.99 $18.49
(You save $1.50)


MP4 Switch Motor

$19.99 $18.49
(You save $1.50)
0.15 LBS
Calculated at checkout

Product Description

The MP4 Switch Motor is the 3rd generation of MTB switch machines, it has all the features of the wildly successful MP5 including a Double Pole Double Throw (DPDT) contact (frog power plus an indicator), adjustable 3mm to 12mm throw, and a plug-in screw-terminal connector.  In addition the MP5 may be used in "2 wire control mode" as a drop-in replacement for a stall motor except that it draws 100mA (when actually moving only).  It also runs in 3 wire mode with a common positive and two operate leads (one for each direction). This uses the same 3.5mm pitch Phoenix connector as the MP10.

We now offer the DP4 also, which is an MP4 with an internal DCC accessory decoder for those modelers who prefer DCC control.

For best results the motor should see 12V across its terminals.

Here's a nice video from TSG featuring MRCS owner Seth Neumann demonstrating the installation of an MP4.


For our best price, order a 30-Pack!


Instructions (scroll down to the English version)

MP Motor Quick Start Guide

Which MP Switch Machine is right for me?

MP Motor Wiring and Control Application Note


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