<p>It basically forces the coupling magnets to separate via the pins pointing downwards from the magnet holders:</p>

<p><img src="https://img.bricklink.com/P/11/4023.gif" width="130" height="95"></p>

<p><img src="https://i.sstatic.net/RsFKG.gif" alt="enter image description here"></p>

<p>Here's a <a href="https://www.youtube.com/watch?v=GnND5HTf9uw" rel="nofollow noreferrer">demo</a>.</p>

CC BY-SA 3.0
2015-05-21T15:49:03.430Z
That's a cool video!
CJBS
CC BY-SA 3.0
2015-05-21T04:02:04.380Z
2015-05-21T20:03:19.027Z
2017-03-10T09:42:48.913Z
Niels
<p>I've never seen this set in person, although it appears occasionally in 12V Lego train system images. I've never seen it used, or described.</p>

<p>How did the <em>LEGO 7862 Remote Controlled Decoupling and Signal 12V</em> work? What is the 'Signal' component of the decoupler?</p>

<p><img src="https://i.sstatic.net/6moNS.jpg" alt="Box image"></p>

<trains><remote-control><12v>
How did the LEGO 7862 Remote Controlled Decoupling and Signal work?
CJBS
# How did the LEGO 7862 Remote Controlled Decoupling and Signal work?

(Asked by: username_0 on 2015-05-20)

I've never seen this set in person, although it appears occasionally in 12V Lego train system images. I've never seen it used, or described.

How did the *LEGO 7862 Remote Controlled Decoupling and Signal 12V* work? What is the 'Signal' component of the decoupler?

![Box image](https://i.sstatic.net/6moNS.jpg)

**Tags:** trains, remote-control, 12v


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## 1 answers

### Answer by username_1 on 2015-05-21. Score: 6 | Accepted answer

It basically forces the coupling magnets to separate via the pins pointing downwards from the magnet holders:

![](https://img.bricklink.com/P/11/4023.gif)

![enter image description here](https://i.sstatic.net/RsFKG.gif)

Here's a [demo](https://www.youtube.com/watch?v=GnND5HTf9uw).

> **Comments:**
> **username_0**: That's a cool video!  

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