ROUND MAX HARSH Series
Overview
Unmatched power and brightness—the Round Max Harsh Series brings big performance to the Round Series lineup, designed for indoor mid-to-high bay and outdoor general area applications. Delivering up to 26,000 lumens with type I, III, V, 30°, and 60° optics, it reduces the fixtures needed while outshining the competition. Innovative engineering enables installation in as little as 60 seconds, and polycarbonate or tempered glass lens options provide flexibility for shipyards, power plants, and heavy manufacturing facilities requiring rugged, instant illumination with restrike capability.
Classifications, Ratings, Certifications
INFO
High-Output Round LED for Shipyards, Power Plants & Heavy Industry
Shipyards and heavy manufacturing facilities need the Round Max's output with extra corrosion protection — the Round Max Harsh Series adds NEMA 4X durability to the same high-lumen platform.
Unmatched power and brightness — the Round Max Harsh Series brings big performance to the Round Series lineup. Designed for indoor mid-to-high bay and outdoor general area applications, it delivers up to 26,000 lumens with type I, III, V, 30°, and 60° optics.
Innovative engineering enables installation in as little as 60 seconds, and polycarbonate or tempered glass lens options provide flexibility for shipyards, power plants, and heavy manufacturing facilities requiring rugged, instant illumination with restrike capability.
Key Features
- Flexible Installation: 7 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 Harsh Series
- Up to 26,000 lumens reduces fixture count per area
- NEMA 4X-rated for shipyard, marine, and heavy-manufacturing corrosion resistance
- 60-second installation cuts labor cost
- 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, 120V AC, 208-277V 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 |
| 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 |
| Product Dimensions (L×W×H) | 10.6×9.1in (270×230mm) |
| Package Dimensions (L×W×H) | 13×11in (330×280mm) |
| 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) |
* 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
| Certifications |
|---|
| CSA C22.2 No. 250.0 |
| DLC Standard (See Notes) |
| FCC Part 15, Subpart B |
| UL 1598 |
| UL 1598 Wet Locations |
| UL 1598A |
| UL 1598A Marine Outside Type (Salt Water) |
| Ratings |
|---|
| IK08 (Glass) |
| IK10 (PC) |
| IP66 |
| NEMA 4X |
| Salt Spray 720 hrs (ASTM B117) |
* Not all product variations listed on this page are DLC qualified. Visit www.designlights.org/search to confirm qualification.
Downloads
Spec Sheets
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Specification | ROUND MAX HARSH Series – Full Specification Sheet | 7/21/2026 |
IES
| Document Type | Description | Updated | Download |
|---|---|---|---|
| IES | ROUND MAX HARSH Series – IES Photometric Data Files | 7/21/2026 |
Technical Documents (Installation Manuals)
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Installation Manual | ROUND MAX HARSH Series – Installation Manual | 7/21/2026 |
Certificates
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Certificates | ROUND MAX HARSH Series – UL1598A Marine Certificate of Compliance | 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 |