BLOCK MINI HARSH Series
Overview
The Block Mini Harsh Series is a compact, NEMA 4X-rated LED luminaire engineered for tough industrial environments, providing protection against water, dust, and corrosive elements ideal for coastal facilities, chemical plants, and food processing sites. Its factory-sealed, corrosion-resistant housing eliminates external sealing fittings and performs reliably in ambient temperatures up to 149°F, with an L70 lifetime exceeding 219,000 hours. Compact and lightweight for easy installation in tight or low-clearance spaces, it offers clear, diffused, Type II, and Type III lens options, backed by Red Sky Lighting's 10-year warranty.
Classifications, Ratings, Certifications
INFO
NEMA 4X Compact LED Lighting for Harsh, Corrosive Spaces
Tight, corrosive environments — coastal facilities, chemical plants, food processing — need a compact fixture that resists moisture and salt without a hazardous-location price tag.
The Block Mini Harsh Series is a compact and powerful LED luminaire series engineered for tough industrial environments. This versatile lighting solution is NEMA 4X-rated, providing protection against water, dust, and corrosive elements — ideal for coastal facilities, chemical plants, food processing sites, and other demanding applications.
The factory-sealed Block Mini Harsh Series eliminates the need for external sealing fittings, simplifying installation and maintenance. Its corrosion-resistant housing ensures durability in environments exposed to moisture, salt spray, or chemicals, with excellent thermal management performing reliably in ambient temperatures up to 149°F and an L70 lifetime of over 219,000 hours.
Key Features
- Thermal Management: Safe and reliable heat transfer. Heat sink designed to perform in high ambient temperatures up to +149°F. L70 >219,000 hours@149°F.
- Compact and Light Weight Design: For easy handling, especially when access to limited space with low mounting heights.
- 5 Mounting Options: Pendant, Yoke, Ceiling, Stanchion, and Wall.
Why Specify the Block Mini Harsh Series
- NEMA 4X-rated for wet, corrosive, and marine environments
- Compact, factory-sealed design simplifies install and maintenance
- Clear, diffused, Type II, and Type III lens options for targeted or general lighting
- 10-year warranty
Specs
| Electrical Parameters | |
|---|---|
| L70 | 219,000 hrs@149°F | 127,000 hrs@147°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 | 120-277V AC | 347-480V AC |
| Dimming | 0-10V, Range 10-100% |
| Power (W) | 21W | 40W | 50W | 60W |
| Rated Input Current @277V AC (A) | 21W (0.084) | 40W (0.16) | 60W (0.24) |
| Rated Input Current @347V AC (A) | 50W (0.16) |
| Rated Input Current @480V AC (A) | 50W (0.115) |
| Rated Input Current @120V AC (A) | 21W (0.194) | 40W (0.37) | 60W (0.555) |
| Optical Parameters | |
|---|---|
| Correlated Color Temperature (CCT) | 3000K / 4000K / 5000K |
| Color Rendering Index (CRI) | 80 CRI (70 CRI & 90 CRI optional, longer leadtime) |
| Available Beam Angle | T2 / T3 / T5 |
| Lumen Output (Lm)* | 2977 | 5617 | 6945 | 8100 |
| Lumen Efficacy (Lm/W)* | 140 |
| Mechanical Parameters | |
|---|---|
| Hardware | 316 Stainless Steel |
| Lens Material | Tempered Glass or Polycarbonate |
| Mounting Options | Pendant, Yoke, Ceiling, Stanchion, Wall |
| Product Weight | 10.5lbs/4.8kg | 10.8lbs/4.9kg | 11.7lbs/5.3kg |
| Housing Material | Copper-free (< 0.4%) die-cast aluminum |
| Package Weight | 12.6lbs/5.8kg | 12.9lbs/5.9kg | 13.8lbs/6.3kg |
| Cable Entry | (1) 3/4" NPT w/3' 18/6 Leads (L/N/G, Dim+/Dim-/12V) |
| Product Dimensions (L×W×H) | 9.7×8.3×5.1in (245×210×129mm) |
| Package Dimensions (L×W×H) | 13.4×11×8.3in (340×280×210mm) |
| Environmental Parameters | |
|---|---|
| Ambient Operating Temperature | -40°C~+65°C(-40°F~+149°F) | 64°C(147°F) |
| EPA Wind Rating (FT2) | 0.998 (Yoke), 1.134 (Ceiling), 0.792 (Stanchion) |
* Value calculated based on 5000K, 80 CRI and clear glass; varies to different spec. 70 CRI & 90 CRI optional.
Compliance
| Certifications |
|---|
| CSA C22.2 No. 250.0 |
| 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 |
| IP67 |
| NEMA 4X |
| Salt Spray 720 hrs (ASTM B117) |
Downloads
Spec Sheets
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Specification | BLOCK MINI HARSH Series – Full Specification Sheet | 7/21/2026 |
IES
| Document Type | Description | Updated | Download |
|---|---|---|---|
| IES | BLOCK MINI HARSH Series – IES Photometric Data Files | 7/21/2026 |
Technical Documents (Installation Manuals)
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Installation Manual | BLOCK MINI 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 |