ATEX Zone 1/2
Stone SERIES
The Stone Series is a high-performance, explosion-proof lighting solution designed for Zone 1 and Zone 2 hazardous areas. Its slim linear design makes it ideal for industrial environments such as petrochemical plants, manufacturing facilities, and processing areas.
Built from copper-free aluminium with a UV-stabilised polycarbonate diffuser, it features IP66 ingress protection and IK08 impact resistance for reliable use in harsh conditions. Delivering up to 139 lm/W with L70 ≥100,000 hours, it ensures energy-efficient, low-maintenance operation.
With a wide -40°C to +55°C operating range, multiple mounting options, and ATEX & IECEx certification, the Stone Series is a durable, versatile solution for general-purpose hazardous area lighting.
At Kellwood Lighting, Our team is here to help you find the most suitable light fittings for your project. You can enquire about this specific product via the link on this page. Alternatively feel free to speak to a member of our team on +44 (0)1387 255816.
| Series Code | STO |
|---|---|
| Lengths | 2ft to 4ft |
| Lumen Maintenance | L70B50 ≥100,000 hours @ 25°C |
| Nominal Power (Range) | 18W to 64W |
| Key Materials | Copper-free Aluminium Housing and Polycarbonate Diffuser |
| Primary Conformities | CE, RoHS, ATEX ,IECEx |
| Warranty | 5 Years |
LIGHT DISTRIBUTION OPTIONS
Please note - images shown are intended to be illustrative only.
For exact data, please refer to specific product photometry, available in the above download section.
A summary of the light's specifications is shown below. Please refer to the product data sheets (available in the Downloads section) for further details.
| Chip Brand, & Model | Osram GW PSLT33.PM |
|---|---|
| Light Emission | Direct |
| CCT | 3000K, 4000K, 5000K, 5700K |
| CRI | ≥70 |
| Symmetric Light Distribution | 120° |
| Lens Opacity | Clear |
| Ingress Rating | IP66 |
|---|---|
| Impact Resistance | IK08 |
| Ambient Usage Tolerance | -40°C to 55°C |
| Ambient Storage Tolerance | -20°C to 40°C |
| Input Voltage | 100-277VAC |
|---|---|
| Input Frequency (VAC) | 50-60Hz |
| Power Factor | >0.98 |
| THD | <10% |
| Electrical Connection | Terminal Block |
|---|---|
| Inlet Thread | M25, NPT3/4", M20 |
| Fixture Primary Materials | M25, NPT3/4", M20 |
| Fixture Finish | Powder Coated |
| Lens(es) Material | Polycarbonate |
| Mounting Styles | Twin Surface, Twin Pipe Clamp, Pendant |
|---|---|
| Available Product Colours | Grey |
ATEX: Ex II 2 G D
IECEx
Our lights are used by
I am delighted to have used Kellwood...
- P. Nisbet, Wabtec Corporation
a project that was well planned and promptly accomplished
- E. McHugh, Loganair
Where others let us down, Kellwood did not
W. Coley, Barking Abbey School
...my client is over the moon with the end results
A. Fraser, MacLean Electrical
I'd certainly recommend them
V. Richardson, Stolle Europe
I'm more than pleased with the guys. I'd recommend them to anyone
G. Gray, Logoplaste
