520 series
features
• Ø6.1mm mounting
• Robust stainless steel housing
• Counter sunk mounting for flush styling
• Sealed to IP67, vandal resistant
• Sunlight readable LEDs with a colour diffused lens
• Internal reverse protection diode fitted as standard in all
voltage models
• Pack Quantity = 10 Pieces
specifications
Typical characteristics (Ta = 25°C)
Current Luminous
Wave
Length
(nm)
Operating
Temp.
(°C)
Storage
Temp.
(°C)
Part
Voltage
Vac/dc
De-rating
Graphs
Colour
Number
DC
Intensity
(mcd)
(mA)
520-301-21
520-325-21
520-324-21
520-934-21
520-998-21
520-301-23
520-325-23
520-324-23
520-934-23
520-998-23
Red
Yellow
Green
Blue
12 Vdc
12 Vdc
12 Vdc
12 Vdc
12 Vdc
28 Vdc
28 Vdc
28 Vdc
28 Vdc
28 Vdc
20
20
20
20
20
20
20
20
20
20
39
87
660
590
523
468
-40 - +85
-40 - +85
A
Y
R
R
H
A
Y
R
R
H
-40 - +100 -40 - +120
576
128
414
39
-30 - +85
-30 - +85
-40 - +100
-40 - +100
-40 - +100
-40 - +85
White
Red
* See below -30 - +85
660
590
523
468
-40 - +85
Yellow
Green
Blue
87
-40 - +100 -40 - +120
576
128
414
-30 - +85
-30 - +85
-40 - +100
-40 - +100
-40 - +100
White
* See below -30 - +85
998F
*Typical emission colour White
x
y
0.287
0.295
0.283
0.305
0.330
0.360
0.330
0.339
- Intensities (lv) and colour shades of white (x, y co-ordinates) may vary between LEDs within a batch
- Products must be de-rated according to the de-rating information. Each de-rating graph refers to
specific LEDs. Please refer to graphs on page 3.
- Luminous intensity is measured at 20mA on a discrete LED unless otherwise stated.
to order
to order please contact us on: t: +44 (0)1229 582 430
f: +44 (0)1229 585 155 e: sales@marl.co.uk w: www.leds.co.uk
© marl international limited technical documentation has been designed by marl international limited for the
intention of providing information, which must not be copied or released to a third party without prior
written consent from marl international limited. the information provided does not constitute part of any
order or contract and should not be regarded as a representation relating to either products or service. no
responsibility can be assumed for inaccuracies or printing errors. marl international limited reserve the right
BS EN ISO 9001:2008
to alter without notice the specification or any conditions of supply for product or service.
approved manufacturer
marl international limited - dsn 520 - version 2013-02-19-173502
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