
FEAT URES /
BENEFIT S
a Roxboro Group Company
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Features Hi-Flux LEDs to simulate point light source for
enhanced optical performance
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Faster on/off response time than incandescent
lamps improves safety
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Flicker resistance & reduced current draw
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5+ year life reduces maintenance costs
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Redundant LED circuits (single LED failure
does not turn off lamp)
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Prevents sun phantom effects by eliminating use of
colored inner filter lenses
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Designed to fit Safetran, US&S, GRS, and other 6 inch
diameter transit wayside signal heads
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Uses existing signal head outer lens
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12 volt AC/ DC and 120 Volt AC versions
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Power Factor Correction & Reduced THD
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Certified for Rail environment
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Includes AREMA Terminal Block and complete installa
tion hardware kit
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Rear indicator for use by maintenance crew
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AREMA Class A Compliant
APPLICAT ION
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The 891 Series LED Wayside Signal Lamp Modules were developed by Dialight specifically for retrofit applications where
replacement of existing incandescent light bulbs is desired. This installation approach provides all the benefits of LEDs without the
complex retrofit of the entire lens and housing assemblies. Installation is nearly as simple as replacement of the incandescent bulb.
Dialight lamp modules have been fully qualified for the Rail environment and incorporate power factor correction and total harmonic
distortion reduction circuitry.
891 Series LED
WAYSIDE SIGNAL LAMP MODULE
With Rear LEDIndicator and AREMA
Terminal Block
MDTR891X001_A
Mechanic al Dimensions in
inches and (millimeters)
Shown without wires for clarity.
Wires would come from the bottom
of the module and be connected to
the AREMA terminal block.
Dialight Corporation
1501 Route 34 South Farmingdale, NJ 07727 USA
Tel: (1) 732.919.3119 Fax: (1) 732.751.5778 www.dialight.com
AREMA TERMINAL BLOCK
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Dialight is the recognized leader in LED
applications for Transportation Signaling, and
has worked cooperatively with leading Transit
Rail customers to develop this unique solution
to Wayside Signal applications for LEDs. It is
proven to be a preferred product over traditional
5mm LED distributed array solutions.