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 Features |
 Indoor use only. |
Direct replacement for traditional T8 fluorescent tubes
Rotatable (0°/45°/90°) |
| Perfect for a wide range of applications. |
| High power efficiency > 80%. |
| High luminous efficacy LEDs . |
| Easy to Instant on, no flicker or buzz. |
Simple rewiring installation allows lamps to run
directly off. |
| No mercury allowing for non-hazardous waste disposal. |
| Emits virtually no UV rays or IR. |
| Glass-free for safer working conditions. |
| Energy saving and environment friendly . |
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| Specifications |
| T840 (4-FT) |
| Type |
GL-T840-WW |
GL-T840-NW |
GL-T840-CW |
| Energy Used |
20 W |
| Rated Life |
30,000 Hours |
| Input Voltage |
100-240V AC |
| Power Factor (PF) |
0.9 |
| Color (CCT) |
3000K |
4000K |
6000K |
| Luminous Flux (lm) |
1280 lm |
1450 lm |
1600 lm |
| System Efficacy |
64 lm/W |
72 lm/W |
80 lm/W |
| CRI (Minimum) |
80 |
80 |
75 |
| Base |
G13 |
| Dimension |
Ø 30 x 1198 mm |
| Beam Angle |
120° |
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| T820 (2-FT) |
| Type |
GL-T820-WW |
GL-T820-NW |
GL-T820-CW |
| Energy Used |
10 W |
| Rated Life |
30,000 Hours |
| Input Voltage |
100-240V AC |
| Power Factor (PF) |
0.9 |
| Color (CCT) |
3000K |
4000K |
6000K |
| Luminous Flux (lm) |
640 lm |
720 lm |
800 lm |
| System Efficacy |
64 lm/W |
72 lm/W |
80 lm/W |
| CRI (Minimum) |
80 |
80 |
75 |
| Base |
G13 |
| Dimension |
Type1: Ø 30 x 580mm
Type2: Ø 30 x 589mm |
| Beam Angle |
120° |
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* All specifications apply to the fixture assembly as a whole.
Due to the slight variations in the testing environment such as differences in ambient temperature or test equipment calibration, specifications are statistical reference values and may not match the actual technical parameters of an individual product. |
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| Luminous Intensity Distribution Diagram |
 GL-T820-WW / CCT : 3000K |
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| GL-T820-NW / CCT : 4000K |
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| GL-T820-CW / CCT : 6000K |
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| GL-T840-WW / CCT : 3000K |
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| GL-T840-NW / CCT : 4000K |
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| GL-T840-CW / CCT : 6000K |
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| GL-T820CW vs. CFL illuminance comparison table |
| Item |
Picture |
Manufacturer |
Model Name |
Luminous
Flux (lm) |
Efficacy
(lm/W) |
CCT |
CRI |
Beam Angle |
Illuminance(lux) |
VAC-IN(V) |
IIN(A) |
P(W) |
| 1m |
2m |
| 1 |
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GlacialLight |
GL-T820CW x 4 |
2636.0 |
65.9 |
6640 |
81.3 |
101 |
928.0 |
232.0 |
120 |
0.34 |
40 |
| 2 |
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Fixture : NA
T8 tube : X ¨È |
FL20D/18
(T8 tube x 4) |
2388.0 |
33.2 |
6440 |
67.2 |
101.5 |
970.0 |
239.4 |
108.8 |
0.70 |
72 |
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