Archives for power

Dual Power Supplies for Layouts

9-Jul-2009 | by David Head | No Comments

Categories: Resources.
Tags: power, power supplies, and split potential.

At EMRC we use two battery chargers ( with modifications) to power our trains. We use a split potential power system that means -12V DC 0V + 12V DC. In effect you are using one transformer in one direction, and the other for the reverse direction.

Relay Point Motors

23-Dec-2008 | by David Head | No Comments

Categories: Electronics and Resources.
Tags: electrical, electrics, electronics, point, point motors, power, and relay.

One way of motorising your points is to use old Telecom relays to throw the points. They have been widely used by many clubs and countless individuals. EMRC started using them in 1980, and thought we would share the information.