ROUND MAX EMERGENCY HARSH Series
Overview
The Round Max Emergency Harsh Series is a UL 924-certified LED solution engineered for harsh and hazardous environments, delivering 6,000-29,000 lumens at up to 150 lm/W with an integrated LiFePO4 battery providing 3,000 lm for 90 minutes or 1,500 lm for 180 minutes during power loss. Built with marine-grade aluminum, NEMA 4X, IP66/67, and IK10 protection with 3G vibration resistance, it withstands explosive, high-vibration, chemically demanding conditions. An L70 lifetime exceeding 102,000 hours, five beam options, and eight mounting configurations suit oil and gas, chemical plants, and marine terminals.
Classifications, Ratings, Certifications
INFO
UL 924 Emergency LED for Harsh, Corrosive Environments
Harsh-duty sites need emergency lighting that survives the same corrosive conditions as the primary fixtures — the Round Max Emergency Harsh Series delivers both in one NEMA 4X unit.
The Round Max Emergency Harsh Series is a UL 924-certified LED solution engineered for harsh and hazardous environments, delivering 6,000-29,000 lumens at up to 150 lm/W with an integrated LiFePO4 battery providing 3,000 lm for 90 minutes or 1,500 lm for 180 minutes during power loss.
Built with marine-grade aluminum, NEMA 4X, IP66/67, and IK10 protection with 3G vibration resistance, it thrives in explosive, high-vibration, chemically demanding conditions, with an L70 lifetime exceeding 102,000 hours.
Key Features
- Reliable Emergency Protection: UL 924-certified, LiFePO4 battery system delivering 3,000 lm for 90 minutes or 1,500 lm for 180 minutes.
- Adaptable to Every Application: Five beam options and eight mounting configurations.
- Built for the Toughest Conditions: NEMA 4X, IP66/67, IK10, and 3G vibration rated.
Why Specify the Round Max Emergency Harsh Series
- UL 924 emergency certified with a LiFePO4 battery for long service life
- NEMA 4X protection matches harsh-duty primary Round Max Harsh fixtures
- Eight mounting configurations for maximum layout flexibility
- 5-year fixture / 3-year battery warranty
Specs
| Electrical Parameters | |
|---|---|
| L70 | >102,000 hrs@60°C |
| Warranty | Fixture: 5 years, Battery: 3 years |
| Power Factor | ≥0.90 |
| Supply Wire | 18-12AWG |
| Surge Protection | 10KV |
| THD | <20% |
| Voltage/Frequency | 100-277VAC 50/60Hz |
| Dimming | 0-10V, Range 10%-100% |
| Power | 40W | 50W | 65W | 85W | 130W | 160W | 200W |
| Battery | LiFePO4 Rechargeable battery |
| Charge Time | 24 hours |
| Emergency Run Time* | 3,000Lm@90mins / 1,500Lm@180mins |
| Rated Input Current (120V AC) | 0.370 | 0.463 | 0.602 | 0.787 | 1.204 | 1.481 | 1.852 |
| Rated Input Current (277V AC) | 0.160 | 0.201 | 0.261 | 0.341 | 0.521 | 0.642 | 0.802 |
| Optical Parameters | |
|---|---|
| Correlated Color Temperature (CCT) | 3000K/4000K/5000K |
| Color Rendering Index (CRI) | 80 CRI |
| Available Beam Angle | 30°/ 60°/T1/T3/T5 |
| Lumen Efficacy* | 150Lm/W |
| Lumen Output* | 6,039Lm | 7,580Lm | 9,873Lm | 12,957Lm | 19,714Lm | 23,551Lm | 28,654Lm |
| Mechanical Parameters | |
|---|---|
| Hardware | Stainless steel 316 |
| Lens Material | Tempered Glass or Polycarbonate |
| Mounting Options | Pendant, Ceiling, Yoke, Wall, Stanchion slip fitter, Stanchion, Pole, Junction Box |
| Product Weight | 28lbs / 12.7kg |
| Housing Material | Marine Grade Aluminium |
| Package Weight | 30.64lbs / 13.9kg |
| Cable Entry | (5) NPT 3/4" |
| Product Dimensions (L×W×H) | Flat lens: И13x10.7 in (И330x271.5 mm) / Drop lens: И13x12.9 in (И330x327.3 mm) |
| Package Dimensions (L×W×H) | 18.9x15.35x15.35 in (480x390x390 mm) |
| Environmental Parameters | |
|---|---|
| Ambient Operating Temperature | 32°F ~+140°F (0°C ~ +60°C) | 32°F ~ +131°F (0°C ~ +55°C) |
| Vibration Resistance | 3G (ANSI C136.31) ** |
| Corrosion Resistance | Salt Spray 720 hrs (ASTM B117) |
| EPA Wind Rating (FT2/m²) | 1.14 (Ceiling)/1.47 (Yoke)/1.49 (Stanchion Slip Fitter)/1.22 (Stanchion)/1.61 (Junction Box) |
* Value calculated based on 5000K and CRI80 and Clear glass, varies to different spec.
** Yoke Mount Only
Compliance
| Certifications |
|---|
| CSA C22.2 No. 141 |
| 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) |
| UL 924 |
| Ratings |
|---|
| 3G Vibration (ANSI C136.31) |
| IK08 (Glass) |
| IK10 (PC) |
| IP66 |
| IP67 |
| NEMA 4X |
| Salt Spray 720 hrs (ASTM B117) |
Downloads
Spec Sheets
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Specification | ROUND MAX EMERGENCY HARSH Series – Full Specification Sheet | 7/21/2026 |
IES
| Document Type | Description | Updated | Download |
|---|---|---|---|
| IES | ROUND MAX EMERGENCY HARSH Series – IES Photometric Data Files | 7/21/2026 |
Technical Documents (Installation Manuals)
| Document Type | Description | Updated | Download |
|---|---|---|---|
| Installation Manual | ROUND MAX EMERGENCY 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 |