RM4 LED Signals Rail
Installation Guide
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© 2021 Current Lighting Solutions, LLC. All rights reserved. GE and the GE monogram are trademarks of the
General Electric Company and are used under license. Information provided is subject to change without
notice. All values are design or typical values when measured under laboratory conditions.
RAIL287 (Rev 03/15/21) 99003834
Installation Steps
Existing signal head in the field: Remove lens and
incandescent bulb assembly from housing.
Existing in-line rheostat in the field: Set rheostat (variable
resistor) to zero (0) or remove completely.
Voltage settings: Check the label on the back of the LED
module to ensure the voltage corresponds to the system
voltage. The recommended voltage at the signal head is 10V.
Wiring: For wire installation, please follow guidelines shown
below.
Insertion of LED module into signal head: Insert the LED
module into lens slot and tighten metal tabs, or insert LED
module into the external ring holder.
Ensure arrow
points upward for
proper beam
Tighten plastic
thumb- nuts by
hand
Use wrench to
tighten the brass
hex nuts
Check label for
required voltage
To remove the
terminal block,
first pivot the latch
Wire the terminals
as shown, use shrink
tubing color as a
guide
The terminal block
can then be pulled
by hand
NOTE: Failure to properly follow these instructions may cause signal to malfunction.
1
2
3
4
5
If testing before installation, be sure to use a constant power source rated 10V / 2 A minimum to ensure proper
operation of the LED signal. NOTE: Failure to do so will activate the light-out safety detection feature of the LED signal
and disable the lamp’s operation.
Testing
CAUTION
RISK OF ELECTRIC SHOCK
Install unit in enclosure tested to be suitable
for wet locations only.
CAUTION
If the lamp is NOT inserted in the correct
orientation, the light output of the lamp
output will not meet specification
CAUTION
SOME SURFACES MAY BE HOT
