LINEAR HARSH Series
Luminaire Type
Overview
Built with rugged, copper-free aluminum and NEMA 4X protection, the Linear Harsh Series resists heat, moisture, dust, and vibration in extreme industrial environments. It delivers over 147,000 hours of reliable light output between -40°F and 149°F at up to 151 lm/W efficacy. A built-in wiring compartment with three 3/4-inch NPT entries and WAGO 221 lever connectors simplifies installation, and multiple mounting options—including an optional retrofit bracket—support quick replacement of existing fixtures in coastal facilities, processing plants, and utility areas. Red Sky Lighting backs it with a 10-year warranty.
Classifications, Ratings, Certifications
INFO
NEMA 4X Linear LED Lighting for Extreme Industrial Environments
Coastal facilities and processing plants need linear lighting that can handle heat, moisture, and vibration without failing early — the Linear Harsh Series is rated NEMA 4X for exactly that.
Built with rugged, copper-free aluminum and NEMA 4X protection, the Linear Harsh Series resists heat, moisture, dust, and vibration in extreme industrial environments. It delivers over 147,000 hours of reliable light output between -40°F and 149°F at up to 151 lm/W efficacy.
A built-in wiring compartment with three 3/4" NPT entries and WAGO 221 lever connectors simplifies installation, and multiple mounting options — including an optional retrofit bracket — support quick replacement of existing fixtures.
Key Features
- Easy and Through Wiring: Built-in wiring compartment with three NPT 3/4" entries and WAGO 221 lever connectors for easy wiring.
- Multiple Mounting Options: Pendant, Yoke, Chain, Pole, and Stanchion.
- Rugged Construction: Built to withstand extreme temperatures, vibration, water, and dust. Copper-free aluminum body and frame for corrosion resistance.
- Long Fixture Life: L70 >147,000 hours@149°F. Maintenance-free and safe operation.
Why Specify the Linear Harsh Series
- NEMA 4X rated for coastal facilities, processing plants, and utility areas
- Optional retrofit bracket simplifies fixture replacement
- 10-year LED / 7-year driver warranty
- DLC Standard qualified on select configurations
Specs
| Electrical Parameters | |
|---|---|
| L70 | 147,000 hrs @149°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 | 30W | 40W | 60W | 80W |
| Rated Input Current (120V AC) | 0.277A | 0.370A | 0.555A | 0.740A |
| Rated Input Current (277V AC) | 0.120A | 0.160A | 0.240A | 0.320A |
| Rated Input Current (347V AC) | 0.128A | 0.192A | 0.256A |
| Rated Input Current (480V AC) | 0.092A | 0.138A | 0.185A |
| Optical Parameters | |
|---|---|
| Correlated Color Temperature (CCT) | 3000K/4000K/5000K |
| Color Rendering Index (CRI) | 80 CRI |
| Lumen Efficacy** | 151 Lm/W |
| Lumen Output** | 4,142 Lm | 5,403 Lm | 8,802 Lm | 11,536 Lm |
| Mechanical Parameters | |
|---|---|
| Hardware | Stainless Steel 316 |
| Lens Material | Polycarbonate |
| Mounting Options | Pendant, Yoke, Chain, Pole, Stanchion |
| Product Weight | 11.0 lbs / 5.0 kg | 14.68 lbs / 6.66 kg |
| Housing Material | Copper-free (< 0.4%) aluminum |
| Package Weight | 13.1 lbs / 6.0 kg | 16.78 lbs / 7.66 kg |
| Cable Entry | (3) 3/4" NPT |
| Product Dimensions (L×W×H) | 23.6×5.0×6.6 in (600×127×168 mm) | 47.2×5.0×6.6 in (1200×127×168 mm) |
| Package Dimensions (L×W×H) | 26.4×5.9×7.9 in (670×150×200 mm) | 50.4×6.3×8.3 in (1280×160×210 mm) |
| Environmental Parameters | |
|---|---|
| Ambient Operating Temperature | -40°F ~ 149°F (-40°C ~ 65°C) |
| EPA Wind Rating (FT2) | 1.463 (Yoke), 1.448 (Stanchion) | 1.972 (Yoke), 1.957 (Stanchion) |
* LNR2-40-347-480V Dimming Unavailable
** Value calculated based on 5000K, 80 CRI and Clear PC; varies to different spec. 70 CRI & 90 CRI optional, DLC available with 80 CRI only.
Compliance
| Certifications |
|---|
| CE LVD/EMC |
| CSA C22.2 No. 250.0 |
| DLC Standard (See Notes) |
| FCC Part 15, Subpart B |
| RoHS |
| UKCA |
| UL 1598 |
| UL 1598 Wet Locations |
| UL 1598A |
| UL 1598A Marine Outside Type (Salt Water) |
| Ratings |
|---|
| IK08 |
| IK10 |
| IP66 |
| NEMA 4X |
| Salt Spray 720 hrs (ASTM B117) |
| Salt Spray 720 hrs (ISO 9227) |
* Not all product variations listed on this page are DLC qualified. Visit www.designlights.org/search to confirm qualification. DLC available with CRI 80 models only.
Downloads
Spec Sheets
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Specification | LINEAR HARSH Series – Full Specification Sheet | 7/21/2026 |
IES
| Document Type | Description | Updated | Download |
|---|---|---|---|
| IES | LINEAR HARSH Series – IES Photometric Data Files | 7/21/2026 |
Technical Documents (Installation Manuals)
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Installation Manual | LINEAR 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 |