Products / CNX-TRB
Back-lit Troffer
Back-lit troffer up to 125 lm/W (DLC Premium) or 110 lm/W (DLC Standard), available in 2 × 2, 2 × 4 and 1 × 4 ft sizes and 25 W to 50 W configurations.
4,9 cmfixture depth, for low plenums
110 / 125 lm/WDLC Standard / DLC Premium grades
3500 · 4000 · 5000 KCCT switchable at the fixture
Product range
4 lumen packages01
2 × 2, 2 × 4 or 1 × 4 ft · 35–50 W
One fixture in three sizes: 2 × 2 ft, 2 × 4 ft, 1 × 4 ft.
Sizes
Colour temperature
- 3,500 K
- 4,000 K
- 5,000 K
Control
- 0–10 V
- ColoursWhite
- Input voltage110–277 V AC (110–347 V on request)
- Operating temperature−20 to +40 °C
- Rated life50,000 h min.
4 lumen packagesShow
35 W3,850 lm110 lm/W2 ft × 2 ft and 1 ft × 4 ft · Standard grade · 4000 K
50 W5,500 lm110 lm/W2 ft × 4 ft · Standard grade · 4000 K
35 W4,300 lm123 lm/W2 ft × 2 ft · Premium grade · 4000 K
50 W6,200 lm124 lm/W2 ft × 4 ft · Premium grade · 4000 K
Specifications
| Sizes | 2 × 2 ft, 2 × 4 ft and 1 × 4 ft |
|---|---|
| Housing | Extruded aluminium |
| Finish | Powder coat, white |
| Thermal management | Housing doubles as heat sink |
| Lens | Low-profile curved lens |
| Dimensions | 1.93 in (4.9 cm) overall depth |
| Mounting | Recessed in most 15/16 in and 9/16 in T-grid ceilings; verify grid compatibility with the factory |
| Location rating | Damp location |
| LEDs | Back-lit array, uniform soft illumination |
|---|---|
| Wattage | Selectable at the fixture: 2 × 2 ft and 1 × 4 ft 35 / 30 / 25 W; 2 × 4 ft 50 / 40 / 30 W |
| Output | Standard grade, 4000 K, highest step: 3,850 lm (2 × 2 and 1 × 4 ft), 5,500 lm (2 × 4 ft), 110 lm/W; Premium grade, 4000 K, highest step: 4,300 lm (2 × 2 ft), 6,200 lm (2 × 4 ft), up to 125 lm/W, not offered in 1 × 4 ft (Premium efficacy in the electrical table is derived from the published lumen and wattage figures); ±5 % with CCT and wattage setting, refer to IES files |
| Colour temperature | Switchable at the fixture, 3500 / 4000 / 5000 K |
| CRI | 80 minimum |
|---|---|
| Rated life | Minimum 50,000 h, per IES LM-80 |
| Lumen maintenance | 87.8 % at 50,000 h, 25 °C |
| Input voltage | 110–277 VAC; 110–347 VAC on request |
|---|---|
| Driver | Class 2, UL recognized |
| Dimming | 0–10 V, to 10 % |
| Power factor | > 0.9 |
| THD | < 20 % |
| Operating temperature | −20 °C to +40 °C |
| Test data | IES LM-79 and LM-80 |
| Emergency | External 16 W or 25 W driver field-installed; built-in 6 W driver with indicator; built-in 6 W driver with field-installed indicator |
| Control | Optional factory-installed integral sensor, multi-level control by motion and/or daylight (made to order); optional smart-control version (made to order) |
| Warranty | 5 years, limited |
| Listings | DLC Standard (Standard grade) or DLC Premium (Premium grade); optional CCEA listing (Chicago plenum) |
Dimensions & weight
| Model | Length | Width | Height | Weight |
|---|---|---|---|---|
| 2 × 2 ft (23.74 × 23.74 in) | 60.3 cm | 60.3 cm | 4.9 cm | — |
| 2 × 4 ft (47.72 × 23.74 in) | 121.2 cm | 60.3 cm | 4.9 cm | — |
| 1 × 4 ft (47.72 × 11.77 in) | 121.2 cm | 29.9 cm | 4.9 cm | — |
Ordering information
Part number format
CNX-TRBProduct type221SizeD102DimmingTW3Colour temperatureTS+Efficacy gradeExample: CNX-TRB-22-D10-TWTS — the first code in each numbered position; pick one code per position below to build your own
1Size
2Dimming
3Colour temperature + Efficacy grade
Colour temperature
Efficacy grade
Written as one code: TW + TS → TWTS
Product options
Applications
Open officesClassroomsRetailHealthcare facilities
Certifications
cULusDLC StandardDLC Premium
Marks as printed on the current spec sheet.