LEDMLD Dual Marker Light

The LEDMLD is a 20 to 80VDC powered DUAL LED MARKER LIGHT (comprising 120 LEDs light emitting diodes] as 60 red and 60 white) supplied in a PANEL mount enclosure with an IP65 weatherproof rating and a minimum light output of 100 Candela.

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  • High intensity LED’s with a 15 degree view angle
  • Every first led white with every second led red
  • Constant light
  • Nominal 24VDC supply (20-80VDC)
  • Low cost – High performance
  • Application is for marker light on railway rolling stock
  • EMC compliant (CTick)

The LEDMLD marker light is an advanced instrument that have been designed and manufactured to stringent specifications.

The LEDMLD is a Led array suitable for harsh and long life. It has been designed to reject electrical interference that normally abounds in industrial environments and includes flying lead electrical connection.



An array of 120 high contrast light emitting diodes (LED) with a light emission angle of 15 degrees for each LED arranged as 60 red and 60 white. This is to give a red and white marker light in the one enclosure. The LEDs are arranged in 16 independent circuits so the loss of one led will not stop the light from functioning. The light intensity has been set for a minimum of 100 Candela and this brightness is constant over the 24 to 80VDC supply range.

  • -40 to 85 degrees Celsius
  • 0-90% RH non-condensing
  • Terminal 1: 24VDC to 80VDC active supply for the red LEDs (flying lead marked with red heat shrink)
  • Terminal 2: 0VDC supply (flying lead unmarked)
  • Terminal 3: 24VDC 80VDC active supply for the white LEDs (flying lead marked with white heat shrink)
  • Terminal 4:Ground supply (6mm brass earth stud)
  • 24VDC (20-75VDC). Other voltages on request
  • Current consumption is 50mA @ 24VDC
  • The power supply to the light is protected by a power conditioning circuit and other componentry to ensure compliancy with EN50121
  • Reverse polarity protection (reverse connection will not cause any damage to the light)
  • LEDMLD is 400 grams

Panel mounting black anodised aluminium enclosure of case dimensions 180mm diameter flange by 40mm deep, a body diameter of 134mm (panel cut out) with fixing centres of 163mm wide by 163mm high using an 8mm hole.

  • The part number is configured as
  • Model/input signal/display units/power supply/options
  • Sample number for red/white marker light: LEDMLD/120/40/2075VDC