The LHX1 Installed LED Highbay is ideal for use in very high and large hazardous work areas.  ATEX, IECEx and UKEX certified to Zones 1 and 21, these high powered, ceiling mounted lamps have a lumen output of up to 12,996 lumens and are IP66/67 rated making them perfect for both indoor and outdoor use. 2 versions available, 12 or 16  LED configurations.

Product Information

The LHX1 ATEX certified LED Highbay  is the ideal fixed lighting solution for safely and efficiently illuminating very high and large hazarous area work spaces.  A broad range consisting of 2 different LED arrays, beam angles that range from narrow to extra wide and light output up to 12.996 lumens ensures an ideal choice for every situation.

ATEX and IECEx certified for safe use in potentially explosive atmospheres Zones 1 and 21, the range is IP66/67 certified, and is ideal for both indoor and outdoor use; a full range of fixing accessories ensures the light can be directed exactly where it is needed.

With a T4 temperature class, a lower ambient temperature of -50°C and high temperature versions up to +65°C, LHX Highbays can be used in a wide range of hazardous area environments.

  • Powerful and Safe Illumination

    Safely and brightly illuminate large areas with up to 26K lumens light output

  • Direct the light where it's needed

    Available with beam angles of  36°/ 45°/ 62°/ 102°, you can direct the light just where you need it

  • Robust Design and Construction

    A cast aluminium body and toughened glass ensure long life and reduced overall costs

Features and Benefits

Light Output

  • Options for light output from 6,483 lumens to 12,996 - allowing you to choose according to your specific light level requirements
  • Available in beam angles 36°, 45°, 62° and 102°  - allow the light to be directed where needed
  • 5000K white light for bright, crisp lighting that's ideal for general work area illumination


  • ATEX, IECEx and UKCA certified for gas Zone 1 and Dust Zone 21
  • T4 temperature class
  • An IP66/67 rating means the LFX Floodlite is suitable for both indoor and outdoor use
  • With all models having a lower ambient limit of - 50°C and high temperature versions up to +65°C being available, the LFX range is ideal for even the most extreme environments


  • Simple design ensures quick and easy installation
  • 2 versions available; 12 or 16 LED arrays
  • A robust and durable aluminium body with strengthened glass ensure long life and resistance to damage
  • Ultra long life LEDs, configured to give a projected L70 figure of 145,000 hours
  • 5 year warranty

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Gas Zone: 1 and 2

Dust Zone: 21 AND 22

Power: LEAD

Model: 16 LED, 90W


Gas Zone: 1 and 2

Dust Zone: 21 AND 22

Power: LEAD

Model: 16 LED, 60W


Gas Zone: 1 and 2

Dust Zone: 21 AND 22

Power: LEAD

Model: 12 LED, 67.5W


Gas Zone: 1 and 2

Dust Zone: 21 AND 22

Power: LEAD

Model: 12 LED, 45W

Technical Information

Product Reference LHX1S
Code II 2 G D Ex eb mb IIC T4 Gb Ex tb IIIC T110 °C Db

ExVeritas 19 ATEX 0586X

IECEx EXV 19.0079X

ExVeritas 21 UKEX 0939X

Input Voltage Range

88 - 140 AC;

180 - 277 VAC

Input Power 67.5W 45W 90W 60W
Frequency 50 - 60 Hz
Power Factor >0.90 >0.95
Enclosure Size Small
Lumen Output (Max)* 9,724 6,483 12,996 8,644
LEDs 12 LED 12 LED 16 LED 16 LED
Beam Angles Narrow (36°), Medium (45°), Wide (62°), Ultra Wide (102°)
Ingress Protection IP66/IP67***
Gas Temp. Class T4
Weight 9.5kg
Dust Surface Temp. 110°C
Lower Temp. Limit -50°C
Upper Temp. Limit 55°C 65°C 45°C 55°C
Colour Temperature 5000K
  • All the information has been gathered under laboratory conditions, the user must regard the values given as approximate.
  • Changes may be made to the above specification without notification, details are available on request.
  • *Lumen output figures stated are for 230V AC
  • **LH1S-12-55 and LH1S-12-65 do not have through wiring capability
  • ***IP rating dependant upon the gland fitted

Light Output Diagram

Product Dimensions


LHX Product Information

(PDF, 916 KB)

Download file - LHX Product Information

LHX Highbay Instructions

(PDF, 1.77 MB)

Download file - LHX Highbay Instructions
Download file - LHX Highbay ATEX Certificate
Download file - LHX Highbay UKEX Certificate
Download file - LHX Highbay IECEx Certificate

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