BLOCK H1 Series
Luminaire Type
Overview
The Block H1 Series delivers high-performance, explosion-proof illumination for hazardous and corrosive environments, achieving 146 lm/W efficacy. Its rugged, copper-free aluminum housing with stainless steel hardware resists corrosion, vibration, water, and dust, while separated LED and driver chambers with external cooling fins ensure excellent heat dissipation up to 140°F. With an L70 life exceeding 121,000 hours, expanded mounting options including Pendant, Yoke, Pole, Ceiling, Stanchion, and Wall, and certification for Class I Division 1 and 2 areas, it's ideal for oil and gas, marine, and petrochemical facilities, backed by a 10-year warranty.
Classifications, Ratings, Certifications
INFO
Explosion-Proof Flood & High Bay Lighting Built for Class I Div 1
Facilities that can't risk an ignition source need a fixture engineered from the ground up for Class I Division 1 — the Block H1 Series delivers that protection with industry-leading efficacy.
Designed for hazardous and corrosive environments, the upgraded Block H1 Series delivers high-performance illumination with enhanced thermal management and expanded mounting flexibility for retrofit and new installations. At 146 lumens per watt, it's certified for explosion-proof use where flammable gases, vapors, and combustible dusts are present — including oil and gas rigs, petrochemical plants, and other hazardous corrosive facilities.
Rugged construction, separated LED and driver chambers, and superior heat dissipation ensure reliable operation in the most demanding industrial applications, with an L70 rated life exceeding 121,000 hours at 140°F.
Key Features
- Rugged Hazardous Location Design: Copper-free aluminum housing with stainless steel hardware built to resist corrosion, vibration, water, and dust.
- Excellent Heat Dissipation: Separated LED and driver chambers with external cooling fins for reliable performance up to +140°F.
- Long Fixture Life: L70 >121,000 hours @140°F for dependable operation and reduced maintenance costs.
- Expanded Mounting Options: Now available in Pendant, Yoke, Pole, Ceiling, Stanchion, and Wall configurations for easier retrofit and new installations.
Why Specify the Block H1 Series
- Certified for Class I Division 1 & 2 and Zone 1 & 2 — one fixture covers more of the site
- 146 lm/W efficacy cuts energy costs versus legacy HID fixtures
- 10-year LED / 7-year driver warranty with factory replacement
- Six mounting configurations reduce SKU complexity for engineers and buyers
Specs
| Electrical Parameters | |
|---|---|
| L70 | 121,000 hrs @140°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 (W) | 80W | 100W | 120W | 150W |
| Rated Input Current @277V AC (A) | 0.32 | 0.401 | 0.481 | 0.601 |
| Rated Input Current @347V AC (A) | 0.256 | 0.32 | 0.384 | 0.48 |
| Rated Input Current @480V AC (A) | 0.185 | 0.231 | 0.277 | 0.347 |
| Rated Input Current @100V AC (A) | 0.74 | 0.925 | 1.111 | 1.388 |
| Optical Parameters | |
|---|---|
| Correlated Color Temperature (CCT) | 3000K / 4000K / 5000K |
| Color Rendering Index (CRI) | 80 CRI |
| Available Beam Angle | 25° / 60° / 120° |
| Lumen Efficacy* | 146 Lm/W |
| Lumen Output (Lm)* | 11777 | 14416 | 17416 | 21141 |
| Mechanical Parameters | |
|---|---|
| Hardware | 316 Stainless Steel |
| Lens Material | Tempered Glass |
| Mounting Options | Pendant, Yoke, Pole, Stanchion, Ceiling, Wall |
| Product Weight | 33.5lbs/15.2kg | 33.7lbs/15.3kg |
| Housing Material | Die-Cast Aluminum |
| Package Weight | 35.6lbs/16.2kg | 35.8lbs/16.3kg |
| Cable Entry | (3) 3/4" NPT |
| Product Dimensions (L×W×H) | 12.9×10.7×8.6in (328×271×218mm) |
| Package Dimensions (L×W×H) | 15.1×13.9×10in (383×353×255mm) |
| Environmental Parameters | |
|---|---|
| Ambient Operating Temperature | -40°F ~ +140°F (-40°C ~ +60°C) |
| EPA Wind Rating (FT2) | 1.715 (Yoke), 1.735 (Pole), 1.452 (Stanchion), 1.578 (Wall) |
| T-Code Rating | C1D1 – T6, C1D2 – T4A, C2D2 – T4A |
| Vibration Resistance | 1.5G (ANSI C136.31) |
* Value calculated based on 5000K, 80 CRI and clear glass; varies by different spec. 70 CRI & 90 CRI optional, DLC available with 70 CRI only.
Compliance
| Classifications |
|---|
| Class I Division 1, Groups C, D |
| Class I Zone 1, Group IIB |
| Class I Zone 2, Group IIC |
| Class II Division 2, Groups F, G |
| Zone 22, Group IIIB |
| Class I Division 2, Groups A, B, C, D |
| Class II Division 1 Group E, F, G |
| Class II Division 2, Group F, G |
| Class III |
| Certifications |
|---|
| CSA C22.2 No. 137 |
| 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) |
| UL 844 |
| Ratings |
|---|
| IK09 |
| IP66 |
| 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 | BLOCK H1 Series – Full Specification Sheet | 7/21/2026 |
IES
| Document Type | Description | Updated | Download |
|---|---|---|---|
| IES | BLOCK H1 Series – IES Photometric Data Files | 7/21/2026 |
Certificates
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Certificates | BLOCK H1 Series – UL1598 Non Hazardous Certificate of Compliance | 7/21/2026 | |
| Certificates | BLOCK H1 Series – UL1598A Marine Certificate of Compliance | 7/21/2026 | |
| Certificates | BLOCK H1 Series – UL844 Hazardous 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 |