LED signal Lamps are designed to meet the requirements of Railway signaling systems. LED signals are high safety, low maintenance solutions to the age-old reliability problems afflicting incandescent lamps. LED units accept wide voltage range and provide constant brightness over it.
Technical Specifications:
LED Lamp
| Colour |
: |
Red / Yellow / Green |
| Organization |
: |
Multiple Arrays in random matrix |
| Excitation |
: |
From current regulator |
| Illumination |
: |
150/175/150 lux at 1.5m |
| Colour co-ordinates |
| Red/Green |
: |
Class "C" of BS 1376-1974 |
| Yellow |
: |
Class "B" of BS 1376-1974 |
| Red/Green |
: |
Class "C" of BS 1376-1974 |
| Yellow |
: |
Class "B" of BS 1376-1974 |
|
| Retro-fit to existing GLS signals |
| Breakdown voltage 2 kV AC (rms) for 1 minute |
| Insulation Resistance >100 MW @ 500V |
| Dispersion angle |
: |
4 to 8 degrees |
| Operating temperature |
: |
-10 to +60oC |
Current regulator
| Auto sensing of Lamp color |
| Input |
: |
110V ± 25% AC/DC |
| Input current |
| Led Signal Lamps
Led Signal Lamps
AC - 140 mA (rms) +10%,-20% |
| DC - 125 mA + 10%,-15% |
|
| Output |
: |
Regulated current |
| No. of Arrays |
: |
2 |
| Output regulation over operating range < 2% |
| Noise immunity |
: |
60V AC |
| AC immunity in DC mode |
: |
300V |
| Breakdown voltage 2 kV AC (rms) for 1 minute |
| Insulation Resistance >100 MW @ 500V |
| Operating temperature |
: |
-10 to +60 oC |
Health Monitoring Cum Alarm Unit
| MAIN INPUT |
: |
110 V AC, Single Phase, 50 Hz |
| AUX INPUT |
: |
24 V DC |
| INPUT VARITION |
: |
+/- 20% |
| OPERATING TEMP. |
: |
-10 Degree C To 60 Degree C (RH Up to 90%) |
| ASPECT OK |
: |
100%lux to >50%lux illumination |
| ASPECT DIM |
: |
<50%illumination to >40%illumination |
| ASPECT FAIL |
: |
< 40lux illumination OR ECR dropping treated as fault condition. |
| INDICATION |
: |
Audiovisual alarm with audio silence is provided.
Visual indication for aspect fail, dim and ok is provided. |
* Remote audiovisual alarm unit provided with reset switch.
* Sensing on the same connection wires.