Chalmit Sterling III, Installation, Operation And Maintenance Instructions

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IOM
– STERLING III - ZONE 2 LED (ATEX, IECEx, Ex ec)
I-ST3N-01.doc Issue 8 December 2018 7
Tables A and B
TABLE A - SCHEDULE
– LED CONTROL GEAR – NON EMERGENCY – 120 to 277Vac – 127 to 300Vdc
Note: for Dust Ratings Refer to Max Surface Temperatures.
Light
Source
Body
Type Nominal
Volts
LED
Driver
Ambient
Temperature
T
Rating
Max Surface
Temperature
(Dust)
3365 Lumen 2ft Twin
120-277Vac
127-300Vdc
26W
-20°C < Ta < +55°C
T4 76
°C
6218 Lumen 4Ft Twin
120-277Vac
127-300Vdc
60W
-20°C < Ta < +50°C
T4 76
°C
8953 Lumen 4Ft Twin
120-277Vac
127-300Vdc
96W
-20°C < Ta < +45°C
T4 76
°C
Typical Standard LED Wiring Diagram
Note: For other Wiring Diagrams, please contact the manufacturer
Table B - Series Circuit.
No. Off
LED Strips
Gear Type Lumen Nominal Circuit Power (W)
Line
Current
2 x 560mm
LED Driver
3365 24 0.100
2 x 1120mm 6218 44 0.190
2 x 1120mm 8953 64 0.290