LGB 51750 PDF

LGB # ACCESSORY CONTROL BOX–Momentary for Operating Accessories. Use this box to control up to four EPL switches, signals, uncouplers or. LGB – Control from Gaugemaster. Hello All I recently acquired a LGB to power my electric switch machines. The unit came with directions but what I cannot decipher.

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LGB G Accessory Controller

User Name Remember Me? Powering a LGB ? The unit came with directions but what I cannot decipher through the English and German wording and diagrams is how to connect power to this thing.

I understand which connections to make for my paticular switch machines but not the transformer. The transformer pushes 20 volts out of it. Should the switch machine be connected to 20 volts? Seems high but the alternative is to connect it to the ohter side of the handheld that puts out a variable volt to the track. That doesn’t make sense.

On the switch box there is 2 male connectors and on the other side 2 female. I understand these are used to connect a booster and other units inline. Since I am only using the one unit should I make up plugs to connect onto the male ends and will that power the unit? The other choice and I think this is the correct one is to put power to the last 2 screw connectors on the unit.

These are marked with a wiggly line and numbers 3 and 4 and also 17 and 18 on the screw terminal line. I am assuming that the black and white wire from the transformer will screw into these terminals but I would like to be sure before I fry the diodes or my switches.


I would need to split the power from the transformer 2 wires to the handheld and 2 to the switch unit. I don’t quite understand the problem. Do you have the user manual? If not you can download it from the Large Scale database: Power can be connected to the terminals numbered “3” and “4” on the screw terminal strip Fig. The green power indicator lamp lights when power is connected to the Use the male and female “piggyback” terminals on the sides of the box Fig. The AC gets half-wave rectified in the so one applies either a positive or negative voltage to the switch machine depending which direction you need to throw it.

LGB 51750 Moment.Switch Control

I believe you have confirmed what I thought KRS. I do have the directions that came with the switch box but they don’t really tell where to pick up the juice to power the The 3 and 4 are colour coded black and white just like the connectors on the transformer so I will add wires to that to power the I figured that there would be something inside to handle the 20 volts but just wanted to make sure.

I won’t be using the piggyback terminals. Thanks for the info and handy link. Todd, the EPL drive has an orange and white dot. So does the Just hook up the colors for the EPL drives.

Input power is 18 volts AC, and can be attached via a cable at the end of the unit, or terminals 3 and 4 black and white. This unit was designed for the older 3 wire epl drives as well as the newer 2 wire drives.


If adding a second unit, it just attaches to the first unit with the banana type connectors at the end. So, my AC power goes directly to the booster and then the banana type connection has the attached without using any wires.

Call me if you need more info. Thanks Dan and KRS for replying. It is all hooked up now and working well. I mounted the switch box and the throttle controller to a nice piece of wood ran 2 wires from the transformer to the terminals on the switchbox then used the male leads sticking out the side of the switch box to continue power to the throttle controller.

My electric point throwers are the newer 2 wired ones so they were easy to hook up. A nice and tidy arrangement for my Christmas layout. Quote message in reply? In order to be lgg to post messages on the myLargescale. Please enter your desired user name, your email address and other required lggb in the form below.

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LGB 51750 Momentary Switch Controller G Scale

Password Please enter a password for your user account. Note that passwords are case-sensitive. Problem with LGB switch, machine, and control box.

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