MODULAR MAX HARSH Series
Luminaire Type
Overview
The Modular Max Harsh Series delivers powerful performance with lumen output up to 66,000 and luminous efficacy up to 166 lm/W, while remaining over 25% lighter than comparable floodlights. Rigorous testing ensures optimal performance under extreme conditions from -49°F to +149°F, with an outstanding thermal design providing durable operation. Its versatile, intelligent design works equally well as a floodlight or high bay solution, and recyclable metal alloy housing supports sustainability. Backed by a 7-year standard warranty (10-year extended) and UL1598/1598A ratings, it's built for demanding, harsh industrial applications.
Classifications, Ratings, Certifications
INFO
Lightweight High-Lumen LED Flood & High Bay for Harsh Environments
Harsh industrial sites that need the Modular Max Series' lumen output and light weight, plus extra corrosion protection, get both in the Modular Max Harsh Series.
The Modular Max Harsh Series delivers powerful performance with a high lumen output of up to 66,000 lumens and excellent luminous efficacy of up to 166 lm/W, achieved while maintaining a lightweight and compact design — over 25% lighter than comparable floodlights.
Rigorous testing ensures optimal performance under extreme conditions from -49°F to +149°F, with an outstanding thermal design providing durable operation. Its versatile, intelligent design works equally well as a floodlight or high bay solution.
Key Features
- Wide Range Selection: Offering 15,000-66,000 Lm.
- Easy Installation: Easy wiring, more room for wiring.
- Safe and Reliable Heat Transfer: Usable in high/low ambient temperatures: -49°F to +149°F for 15,000-30,000 Lm; -49°F to +131°F for 37,000-66,000 Lm.
- Compact and Light-Weight Design: Over 25% lighter than comparable floodlights.
Why Specify the Modular Max Harsh Series
- UL1598/UL1598A wet-location and marine-rated for harsh-duty projects
- Over 25% lighter than comparable floodlights
- Standard 7-year / extended 10-year warranty
- DLC Premium qualified on select configurations
Specs
| Electrical Parameters | |
|---|---|
| L70 | 230,000 hrs@149°F | 230,000 hrs@131°F |
| Warranty | Standard: 7 Years, Extended: 10 years |
| Power Factor | >0.90 |
| Supply Wire | 12-18AWG, Rated 90°C min | 12-17AWG, Rated 90°C min |
| Surge Protection | 10KV |
| THD | <20% |
| Voltage/Frequency | 100-277V AC, 347-480V AC, 50/60Hz |
| Dimming | 0-10V, Range 10% - 100% |
| Power (W) | 90 | 120 | 190 | 260 | 310 | 380 | 440 |
| Rated Input Current @277V AC (A) | 0.361 | 0.481 | 0.762 | 1.043 | 1.244 | 1.524 | 1.765 |
| Rated Input Current @347V AC (A) | 0.288 | 0.384 | 0.608 | 0.833 | 0.993 | 1.217 | 1.409 |
| Rated Input Current @480V AC (A) | 0.208 | 0.278 | 0.44 | 0.602 | 0.718 | 0.88 | 1.019 |
| Rated Input Current @120V AC (A) | 0.833 | 1.111 | 1.759 | 2.407 | 2.87 | 3.519 | 4.074 |
| Optical Parameters | |
|---|---|
| Correlated Color Temperature (CCT) | 2700K / 4000K / 5000K |
| Color Rendering Index (CRI) | 80 CRI |
| Available Beam Angle | 30° / 60° / 90° / 120° / T2 / T3 / T5 |
| Lumen Output (Lm)* | 15074 | 19854 | 29148 | 37730 | 47974 | 59028 | 66313 |
| Lumen Efficacy (Lm/W)* | 166 |
| Mechanical Parameters | |
|---|---|
| Hardware | Stainless steel 316 |
| Lens Material | Tempered Glass or Polycarbonate |
| Mounting Options | Pendant, Straight Yoke, Angled Yoke, Chain, Stanchion, Hook |
| Product Weight | 21.8 lbs / 9.9 kg | 36.3 lbs / 16.5 kg |
| Housing Material | Copper-free (< 0.4%) die-cast aluminum |
| Package Weight | 23.9 lbs / 10.9 kg | 40.1 lbs / 18.2 kg |
| Cable Entry | (5) 3/4" NPT** |
| Product Dimensions (L×W×H) | 14.1×9.8×7.4 in (357×250×189 mm) | 9.9×14.1×7.4 in (505×357×189 mm) |
| Package Dimensions (L×W×H) | 19.7×13.4×11.8 in (500×340×300 mm) | 23.6×19.7×11.8 in (600×500×300 mm) |
| Environmental Parameters | |
|---|---|
| Ambient Operating Temperature | -49°F ~ +149°F (-45°C ~ 65°C) | -49°F ~ +131°F (-45°C ~ 55°C) |
| EPA Wind Rating (FT2) | 1.753 (Yoke), 1.888 (Stanchion) | 2.864 (Yoke), 2.999 (Stanchion) |
| Vibration Resistance | 3G (ANSI C136.31)*** |
| Corrosion Resistance | Salt Spray 720 hrs (ASTM B117) |
* Value calculated based on 5000K, 80 CRI and Clear glass; varies by different spec.
** Shipped with four blind plugs; Top entry open for pendant-mount models; Rear entry open for yoke-mount models.
*** Yoke Mount Only
Compliance
| Certifications |
|---|
| CSA C22.2 No. 250.0 |
| DLC Premium (See Notes) |
| FCC 47 CFR Part 15, Subpart B |
| UL 1598 |
| UL 1598 Wet Locations |
| UL 1598A |
| UL 1598A Marine Outside Type (Salt Water) |
| Ratings |
|---|
| 3G Vibration (ANSI C136.31) |
| IK08 (Glass) |
| IK10 (Glass, Special ordering) |
| IK10 (PC) |
| IP66 |
| IP67 |
| NEMA 4X |
| Salt Spray 720 hrs (ASTM B117) |
* Not all product variations are DLC qualified. Visit www.designlights.org/search to confirm qualification.
Downloads
Spec Sheets
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Specification | MODULAR MAX HARSH Series – Full Specification Sheet | 7/21/2026 |
IES
| Document Type | Description | Updated | Download |
|---|---|---|---|
| IES | MODULAR MAX HARSH Series – IES Photometric Data Files | 7/21/2026 |
Technical Documents (Installation Manuals)
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Installation Manual | MODULAR MAX HARSH Series – Installation Manual | 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 |