The Ace LED High Bay Troffer (AT20H) combines high bay performance with clean architectural aesthetics, delivering exceptional light output in a sleek, modern design.
Engineered for demanding high-ceiling environments, it provides the powerful, uniform illumination of a high bay while maintaining the refined appearance of a recessed troffer.
Available in 1×4, 2×2, and 2×4 configurations with recessed and surface mounting options, the AT20H delivers 6,000 to 35,200 lumens with efficacies up to 160 LPW. Its precision-engineered frosted lens provides outstanding light uniformity while minimizing glare, bright spots, and shadows.
Designed for today’s connected buildings, the AT20H features the EZ-Connect™ Receptacle, the fastest and simplest way to add occupancy sensors, daylight sensors, or UltraLink wireless controls in the field. Its twist-lock system requires no tools or wiring, enabling quick upgrades whenever needed.

Maximum light, minimal footprint. Powerful, uniform illumination for high bay applications where performance matters most.

Clean, modern, minimalistic design that creates an all new look for high bay lighting and transforms a work place.

The simplest and fastest way to add sensors and UltraLink wireless controls at any time in the field. Twist Lock system, no tools or wiring needed.
| Size | Watts | Lumen Output | Efficacy | Part Number |
|---|---|---|---|---|
| 1x4 | 45 | 6,000 | 135 | AT20H-A2-06K-14-50-80-FR-LV-GRID-EZ10-10V |
| 1x4 | 104 | 14,000 | 135 | AT20H-A2-14K-14-50-80-FR-LV-GRID-EZ10-10V |
| 1x4 | 110 | 17,600 | 160 | AT20H-A2-18K-14-50-80-FR-LV-GRID-EZ10-10V |
| 2x2 | 45 | 6,000 | 135 | AT20H-A2-06K-22-50-80-FR-LV-GRID-EZ10-10V |
| 2x2 | 104 | 14,000 | 135 | AT20H-A2-14K-22-50-80-FR-LV-GRID-EZ10-10V |
| 2x2 | 110 | 17,600 | 160 | AT20H-A2-18K-22-50-80-FR-LV-GRID-EZ10-10V |
| 2x4 | 88 | 12,000 | 135 | AT20H-A2-12K-24-50-80-FR-LV-GRID-EZ10-10V |
| 2x4 | 210 | 28,000 | 135 | AT20H-A2-28K-24-50-80-FR-LV-GRID-EZ10-10V |
| 2x4 | 220 | 35,200 | 160 | AT20H-A2-36K-24-50-80-FR-LV-GRID-EZ10-10V |