ROUND MAX Series
Overview
Unmatched power and brightness—Round Max brings size to the Round Series lineup, designed for both indoor mid-to-high bay and outdoor general area applications. Delivering up to 26,000 lumens with type I, III, and V optics, it reduces the number of fixtures required while outshining the competition. Innovative engineering enables installation in as little as 60 seconds, and eight mounting options with polycarbonate or tempered glass lenses provide flexibility for shipyards, power plants, oil and gas refineries, and other industrial applications requiring instant illumination and restrike capability.
Classifications, Ratings, Certifications
INFO
High-Output Round LED for Mid-to-High Bay & Area Lighting
Projects that need to cover large areas with fewer fixtures get exactly that from the Round Max Series — up to 26,000 lumens installed in as little as 60 seconds.
Unmatched power and brightness — Round Max brings size to the Round Series lineup. Designed for both indoor mid-to-high bay and outdoor general area applications, it delivers up to 26,000 lumens with type I, III, and V optics, reducing the number of fixtures required for the same area.
Thanks to its innovative design and engineering, the Round Max offers swift installation, taking as little as 60 seconds. It's the perfect choice for illuminating oil and gas refineries, shipyards, power plants, and various industrial applications.
Key Features
- Flexible Installation: 8 different mounting options.
- Instant Illumination and Restrike: Four lumen outputs provide 320-1000W HID/MH equivalent lighting (12,000 to 26,000 Lm).
- Quick Installation: 60 seconds installation time.
Why Specify the Round Max Series
- Up to 26,000 lumens reduces the total fixture count needed per area
- Instant illumination and restrike — no warm-up delay like legacy HID
- 60-second installation cuts labor cost on new builds and retrofits
- 10-year LED / 7-year driver warranty
Specs
| Electrical Parameters | |
|---|---|
| L70 | 112,000 hrs@149°F | 112,000 hrs@140°F | 110,000 hrs@131°F |
| Warranty | LEDs: 10 years, Driver: 7 years |
| Power Factor | ≥0.90 |
| Supply Wire | 12-18AWG, Rated 90°C |
| Surge Protection | 10KV |
| THD | <20% |
| Voltage/Frequency | 100-277V AC, 347-480V AC 50/60Hz |
| Dimming | 0-10V, Range 10-100% |
| Power | 80W | 120W | 150W | 200W |
| Rated Input Current (120V AC) | 0.740A | 1.111A | 1.388A | 1.851A |
| Rated Input Current (277V AC) | 0.320A | 0.481A | 0.601A | 0.802A |
| Rated Input Current (347V AC) | 0.256A | 0.384A | 0.480A | 0.640A |
| Rated Input Current (480V AC) | 0.185A | 0.277A | 0.347A | 0.462A |
| Optical Parameters | |
|---|---|
| Correlated Color Temperature (CCT) | 3000K/4000K/5000K |
| Color Rendering Index (CRI) | 80 CRI |
| Available Beam Angle | T1/T3/T5/30°/60° |
| Lumen Efficacy* | 148Lm/W |
| Lumen Output* | 12,157Lm | 17,388Lm | 21,771Lm | 26,076Lm |
| Mechanical Parameters | |
|---|---|
| Hardware | 316 Stainless Steel |
| Lens Material | Tempered Glass or Polycarbonate |
| Mounting Options | Pendant, Ceiling, Stanchion, Wall, Yoke, Junction Box, Stanchion slip fitter, MM3, CMP, MM2 |
| Product Weight | 21.6lbs/9.8kg |
| Housing Material | Copper-free (< 0.4%) aluminum |
| Package Weight | 23.7lbs/10.8kg |
| Cable Entry | (6) 3/4" NPT |
| Package Dimensions (LxWxH) | 12.8x12.8x10.5in (325x325x265mm) |
| Product Dimensions (LxWxH) | 12.8×12.5x9.1in (326x316x230mm) |
| Environmental Parameters | |
|---|---|
| Ambient Operating Temperature | -40°F ~ +149°F(-40°C ~ 65°C) | -40°F ~ +140°F(-40°C ~ 60°C) | -40°F ~ +131°F(-40°C ~ 55°C) |
| EPA Wind Rating (FT2) | 1.342 (Yoke), 1.372 (Ceiling), 1.222 (Stanchion), 1.860 (MM3, CMP, MM2) |
| T-Code Rating | CID2 - T4A, CIID1 - T4A (Junction Box Only for CID2 - T4A; MM3, CMP, MM2 Only for CID2 - T4A, CIID2 - T4A.) |
* Value calculated based on 5000K, 80 CRI and Clear glass, varies to different spec. CRI 70 & CRI 90 optional, DLC available with CRI 70 only.
Compliance
| Classifications |
|---|
| Class I Division 2, Group A, B, C, D |
| Class I Zone 2, Group IIC |
| Class II Division 1 Group E, F, G |
| Class II Division 2, Group F, G |
| Class III |
| Zone 21, Group IIIC |
| Certifications |
|---|
| CSA C22.2 No. 137 |
| CSA C22.2 No. 250.0 |
| DLC Standard (See Notes) |
| FCC Part 15, Subpart B |
| Intertek ETL |
| UL 1598 |
| UL 1598 Wet Locations |
| UL 1598A |
| UL 1598A Marine Outside Type (Salt Water) |
| UL 844 |
| Ratings |
|---|
| IK08 (Glass) |
| IK10 (PC) |
| IP66 |
| NEMA 4X |
| Salt Spray 720 hrs (ASTM B117) |
| Simultaneous Presence |
* Not all product variations listed are DLC qualified. Visit www.designlights.org/search to confirm qualification.
Downloads
Spec Sheets
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Specification | ROUND MAX Series – Full Specification Sheet | 7/21/2026 |
IES
| Document Type | Description | Updated | Download |
|---|---|---|---|
| IES | ROUND MAX Series – IES Photometric Data Files | 7/21/2026 |
Marketing Materials
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Brochure | Brochure - ATEX, IECEx, UKEX Certified Products | 7/21/2026 | |
| Brochure | Brochure - Built for Harsh Environments | 7/21/2026 | |
| Brochure | Brochure - Hazloc - UL Certified Products | 7/21/2026 | |
| Brochure | Brochure - Quick Selection Guide | 7/21/2026 | |
| Brand Kit | Red Sky Lighting Brand Guidelines and Logos | 7/21/2026 |