
PART NUMBER
COLOUR
LENS
VOLTAGE CURRENT LUMINOUS
WAVE
OPERATING STORAGE
DC (Vdc) DC (mA)
INTENSITY
LENGTH
TEMP
Vopr
lopr
lv@20mA (mcd) λp (nm)
Topr
Tstg
084-501-99-64 ** Red
Colour Diffused 110Vac/Dc 37
11000
643
-40 ~ +95^ -40 ~ +100 Yes
084-501-76-65 ** Red
Colour Diffused 230Vac 15
11000
643
-40 ~ +95^ -40 ~ +100 Yes
50Hz
084-997-99-64 ** Cool White
Water Clear
110Vac/Dc 37
7800
*
-30 ~ +85^ -40 ~ +100 Yes
084-997-76-65 Cool White
Water Clear
230Vac 15
7800
*
-30 ~ +85^ -40 ~ +100 Yes
50Hz
UNITS
mA
mcd
nm
°C
How to Order:
website: www.leds.co.uk email: sales@marl.co.uk
Telephone +44 (0)1229 582430 Fax: +44 (0)1229 585155
The information contained in this datasheet does not constitute part of any order or contract and should not be regarded as a representation
relating to either products or service. Marl International reserve the right to alter without notice the specification or any conditions of supply
for products or service.
Network Rail certificated product **
LED Bulkhead unit
Fit and Forget Solution
Outstanding reliability
For use as a Buffer Stop Light or Barrow
Crossing Indicator
FILAMENT REPLACEMENT LEDs - MULTI-CLUSTER
SAMPLES AVAILABLE
MARL INTERNATIONAL LTD 2009 : DS 010/08 Issue 1
Ordering Information & Typical Technical Characteristics (Ta = 25°C)
Mean Time Between Failure = 100,000 Hours. Luminous intensity figures refer to the unmodified discrete LED.
FEATURES
SPECIFICATION
HIGH INTENSITY
084 SERIES
PACK QUANTITY = 10 PIECES
Page 1 of 2
^ = Products must be derated according to the derating information. Each derating graph refers to specific LEDs.
Intensities (lv) and colour shades of white (x,y co-ordinates) may vary between
LEDs within a batch.
997 - LED Code
*Typical emission colour cool white
x
0.296 0.283 0.330
0.330
y
0.276 0.305 0.360
0.318
Supply Voltage:
Nominal 110Vac/ Dc or 230Vac 50Hz
Typ. Supply Current at 110Vac/Dc:
40mA (20mA per circuit)
Typ. Supply Current at 230Vac/Dc:
40mA (20mA per circuit)
Sealing Specification:
IP64
Colour Temperature:
8000K (for white products)
Two parallel branches of LEDs and independant drive circuitry provides the unit with a 50% redundancy factor
Railtrack Approval Certificate No: PA05/898 **