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LINEAR LOW PRO HARSH Series

LINEAR LOW PRO HARSH Series

SKU LNH

Luminaire Type

Overview

The Linear Harsh Series is built for heavy, harsh industrial installations exposed to moisture, dirt, dust, corrosion, and vibration, replacing fluorescent T12, T8, and T5HO fixtures across four wattages from 3,500 to 13,000 lumens. Its heat sink is engineered for high ambient temperatures up to 55°C and as low as -40°C, with an L70 life exceeding 147,000 hours for maintenance-free, safe operation. Rugged, copper-free aluminum construction resists extreme temperatures, vibration, water, and dust, and an optional 90-minute emergency lighting mode delivers up to 1,500 lumens during power outages.

Classifications, Ratings, Certifications

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INFO

CE & UKCA-Certified LED Fluorescent Replacement for Harsh Conditions

European and UK harsh-duty projects need a fluorescent replacement with the right certifications on hand — the Linear Series Harsh brings CE/UKCA compliance to punishing industrial environments.

The Linear Harsh Series LED luminaire is built for installations in heavy and harsh industrial applications where moisture, dirt, dust, corrosion, and vibration may be present, or NEMA 3 and 4X areas where wind, water, snow, or high ambient temperatures can be expected.

It's a perfect solution to replace existing fluorescent lighting systems (T12, T8, and T5HO) with four wattages from 3,500 to 13,000 lumens, and provides up to 1,500 lumens of illumination for 90 minutes of emergency lighting during a power outage.

Key Features

  • Thermal Management: Safe and reliable heat transfer, engineered for ambient temperatures up to +55°C and as low as -40°C.
  • Long Fixture Life: L70 >147,000 hrs@55°C. Maintenance-free and safe operation.
  • Rugged Construction: Built to withstand extreme temperatures, vibration, water, and dust. Copper-free aluminum body and frame for corrosion resistance.

Why Specify the Linear Series Harsh

  • CE and UKCA certified for European and UK projects
  • Direct replacement for T12, T8, and T5HO fluorescent fixtures
  • Optional 90-minute emergency mode delivers up to 1,500 lumens
  • 5-year warranty
Specs
Electrical Parameters
L70 147,000 hrs @55°C
Warranty 5 Years
Power Factor ≥0.90
Supply Wire 1mm²-4mm², Rated 90°C
Surge Protection L/N-FG 6KV, L-N 4KV
THD <20%
Voltage/Frequency 100-240V AC 50/60Hz
Power 25W | 50W | 75W | 100W
Rated Input Current (220V AC) 0.127A | 0.253A | 0.379A | 0.505A
Optical Parameters
Correlated Color Temperature (CCT) 4000K/5700K/Red/Green/Blue/Amber
Color Rendering Index (CRI) Ra>70
Available Beam Angle 110°
Lumen Efficacy* 150 Lm/W
Lumen Output* 4,089 Lm | 7,453 Lm | 11,313 Lm | 14,612 Lm
Lumen Output (EM)* EM12 - 12W (2,217Lm@90Mins) | EM12 - 12W (2,303Lm@90Mins)
Mechanical Parameters
Hardware 316 Stainless Steel
Lens Material Polycarbonate
Mounting Options Low Ceiling, High Ceiling, Wall, Eyebolt, Pole
Product Weight 13.9 lbs / 6.3 kg | 21 lbs / 9.5 kg
Housing Material Marine Grade Aluminium
Package Weight 10 lbs / 7.3 kg | 23.1 lbs / 10.5 kg
Cable Entry (4) M20/M25
Product Dimensions (L×W×H) 29.4×6.2×4.4 in (747×158×111 mm) | 52.4×6.2×4.4 in (1332×158×111 mm)
Package Dimensions (L×W×H) 31.9×8.7×6.7 in (809×220×170 mm) | 54.7×8.7×6.7 in (1388×220×170 mm)
Environmental Parameters
Ambient Operating Temperature -40°C ~ +55°C, 0°C ~ +50°C (Emergency)
EPA Wind Rating (FT2/m2) 1.528 / 0.142 | 2.722 / 0.253
Ambient Operating Humidity 5% - 95% RH
Optimal Operating Temperature 25°C

* Value calculated based on 5700K and clear PC; varies to different spec.

Downloads
Spec Sheets
Document Type Description Updated Download
Specification LINEAR LOW PRO HARSH Series – Full Specification Sheet 7/21/2026
IES
Document Type Description Updated Download
IES LINEAR LOW PRO HARSH Series – IES Photometric Data Files 7/21/2026
Technical Documents (Installation Manuals)
Document Type Description Updated Download
Installation Manual LINEAR LOW PRO HARSH Series – Installation Manual 7/21/2026
Installation Manual LINEAR LOW PRO HARSH Series – Installation Manual 7/21/2026
Certificates
Document Type Description Updated Download
Certificates LINEAR LOW PRO HARSH Series – CE LVD EMC Certificate of Compliance 7/21/2026
Certificates LINEAR LOW PRO HARSH Series – RoHS Certificate of Compliance 7/21/2026
Certificates LINEAR LOW PRO HARSH Series – UKCA 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

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