The LEDMLD is a 20-80DC 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 120 Candela for Locomotive .
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 LEDs 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 120 Candela and this brightness is constant over the supply range.
-40 to 85 degrees Celsius.
Terminal 1: 24 to 75VDC active supply for the red LEDs (marked red)
Terminal 2: 0VDC supply (flying lead unmarked)
Terminal 3: 24 to 75VDC active supply for the white LEDs (marked white)
Terminal 4: Ground supply (Brass stud)
Wiring is accomplished using Huber & Suhner 4GKW-AX-1.5mm2
24VDC (24-75VDC). Other voltages on request
Current consumption is 120mA 24VDC
Inrush current of 200mA for 80 micro seconds. The current flowing through each LED is controlled by a closed loop feedback circuit. This ensures constant brightness independent of power supply voltage.
Reverse polarity protection (reverse connection will not cause any damage).
Material of manufacture
Housing is metal spun 1.5mm aluminium bright black anodised.
Window is 3mm Makrolon polycarbonate
The light is sealed with Sika Firesil Marine N
All screws are 304 grade stainless steel
Cable entry gland is IP68
The light output has been set at 120 Candela for the red and white LEDs at one metre.
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.
Sample number for red/white marker light: LEDMLD/120/100/2075VDC
Innovec Controls is a 9001:2015 registered company
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