5
Features
• Weather-proof housing
• Four double-pole momentary buttons (51755)
• Four single-pole on/off switches (51805)
• Status indicator for power current connections
• Side plugs/sockets for connections from other control
boxes
Safety Notes
• Not for children under the age of 15.
•
IMPORTANT!
These controllers have sharp edges and
points due to the way they work.
Important Notes
• The operating instructions are a component part of the
product and must therefore be kept in a safe place as
well as transferred to third parties along with the product.
• Please see your authorized LGB dealer for repairs or
spare parts.
• Disposal: www.maerklin.com/en/imprint.html
Connections
• The control box receives power via the terminals 3 & 4
(on the rear connection strip 17 & 18).
• The
51755
control box requires 0 – 18 volts AC.
• The
51805
control box can be operated with 0 – 18 volts
DC or AC, depending on what is to be controlled.
• Other control boxes can be connected to the side plugs /
sockets. These control boxes then do not need their own
power supply voltage.
• The green indicator lights up when the control box is
correctly connected to a switched mode power pack or
transformer.
Operation
• Mechanisms, signals, or electric uncoupler tracks can
be operated with the 51755 control box with momentary
buttons.
• Each button on the 51755 control box activates a mecha-
nism.
• Each button on the 51805 control box turns and electrical
user on/off.
Operating Notes
• If a mechanism connected to the control box is activated
in the wrong direction according to the indicator, swap
the connecting wires from the mechanism at their con
-
nection on the control box.
• Use the labels included with the control box in order to
identify the function for the individual buttons.
Note:
If you are operating one 51805 control box with DC
power, do not connect it to a control box operated with AC
power under any circumstances.
