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Brand: Wolf Safety
Wolf Safety LHX1 Highbay Hazardous Area LED Highbay Light
Description
Ceiling-mounted LED highbay for large hazardous halls and process buildings
The Wolf Safety LHX1 Highbay is a ceiling-mounted LED luminaire for lighting large hazardous areas from height. Wolf certifies the LHX range to ATEX, IECEx and UKEX for gas Zone 1 and dust Zone 21 and describes it as suitable for indoor and outdoor use, with an IP67 rating.
The LHX1 is the small housing and has 12 or 16 LEDs. It uses the same optical and electrical platform as the LFX Floodlite, but it is supplied for hanging or ceiling fixing rather than for aiming from a wall bracket, with hanging brackets available as an accessory. Typical locations are compressor halls, workshops, loading bays and covered process structures.
LHX1 Highbay datasheet values
| Parameter | Specification |
|---|---|
| Manufacturer | Wolf Safety Lamp Company, Sheffield, UK |
| LHX1 references | LHX1S-12-55, LHX1S-12-65, LHX1S-16-45, LHX1S-16-55 |
| Certified for | Gas Zone 1 and dust Zone 21 (ATEX, IECEx, UKEX) |
| Ex code | II 2 G Ex eb mb IIC T4 Gb and II 2 D Ex tb IIIC T110 °C Db |
| Certificate numbers | ExVeritas 19 ATEX 0586X, IECEx EXV 19.0079X, ExVeritas 21 UKEX 0939X |
| Supply | 88 to 140 VAC or 180 to 277 VAC, 50 to 60 Hz |
| Power factor | Above 0.90 |
| Beam angle options | Narrow, medium, wide or ultra wide (36, 45, 62 and 102 degrees) |
| Gas temperature class | T4 |
| Dust surface temperature | 110 °C |
| Ambient limits | Lower -50 °C; upper 45 to 65 °C by reference |
| Colour temperature | 5000 K |
| Protection | IP66/67 depending on gland fitted |
| Weight | 9.5 kg (small housing) |
Rating by reference
Power and light output depend on the reference. Maximum lumen output is quoted at 230 VAC.
| Reference | Input power | Max lumens | Upper ambient limit |
|---|---|---|---|
| LHX1S-12-55 | 67.5 W | 9,724 lm | 55 °C |
| LHX1S-12-65 | 45 W | 6,483 lm | 65 °C |
| LHX1S-16-45 | 90 W | 12,996 lm | 45 °C |
| LHX1S-16-55 | 60 W | 8,644 lm | 55 °C |
The same datasheet lists the large LHX2 housing with 24 or 32 LEDs, up to 25,932 lumens, and a weight of 15.5 kg. Wolf states that LHX1S units are not provided with through wiring unless the customer specifies it.
Planning a highbay installation
At mounting heights of several metres a luminaire has to be accessed for cleaning and eventual servicing, so plan access equipment and isolation arrangements at the design stage. A narrower beam reaches the floor with more intensity from a high mounting point, while a wide optic gives smoother coverage under a lower roof.
Ask for the IES file to model uniformity and illuminance levels before ordering, and select the reference whose upper ambient limit exceeds the hottest expected temperature near the roof, where warm air collects. Use certified cable entries, keep the fixing suspended load within the capacity of the structure, and follow the Wolf manual for installation.
Documents and quotation
The attached document is the Wolf Safety LHX Highbay product information sheet (SL113 DF612 issue 4), which covers the LHX1 and LHX2 housings. Certificates and the instruction manual are available separately from Wolf Safety.
For a quotation, send the reference, voltage, beam angle and hanging accessory needs. For related items see Automation Accessories.
Datasheets & Documents
- Datasheet Wolf Safety LHX Highbay product information sheet (SL113 issue 4) Download
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About brand
Wolf Safety is a Sheffield manufacturer of ATEX and IECEx certified lighting for hazardous areas, with a history in mining safety lamps going back more than a century. Its portable, temporary, installed and area luminaires are used by maintenance, inspection and shutdown teams working where flammable gas, vapour or dust may be present.
Hazardous-area lighting ranges
The Wolf Safety catalogue covers rechargeable handlamps and torches, headtorches, linkable temporary floodlights and luminaires, tank lighting kits, installed linear, floodlight, highbay and bulkhead luminaires, and towerlite area lights. Supporting products include ATEX transformers, splitter boxes, cable reels, extension cables and ventilation fans.
Certification and application
Wolf Safety publishes ATEX, IECEx and UKEX certificates alongside its datasheets, so buyers can check the zone, gas group and temperature class before a lamp is issued to a work crew. Typical uses include tank and vessel entry, plant turnarounds, refinery and offshore inspection rounds, and emergency lighting where a hazardous atmosphere is possible.
Sourcing through Seven Star LLC
Seven Star LLC supplies Wolf Safety lighting to customers in Oman and the GCC and can quote against the datasheet model, voltage and zone requirements of each project.
Related products
Frequently Asked Questions
What zones is the LHX1 certified for?
Gas Zone 1 and dust Zone 21, under ATEX, IECEx and UKEX certification.
What is the difference between LHX1 and LHX2?
LHX1 is the small housing with 12 or 16 LEDs. LHX2 is the large housing with 24 or 32 LEDs.
What is the maximum light output of the LHX1?
Up to 12,996 lumens at 230 VAC for the 16 LED, 90 W reference.
What supply voltage does it accept?
88 to 140 VAC or 180 to 277 VAC at 50 to 60 Hz.
How is it mounted?
As a ceiling or hanging luminaire, with an adjustable bracket kit supplied and hanging brackets available as an accessory.
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