ATEX Zone 1

Rankine Series
Low Bays

Explosion Proof LED Low Bay Lighting

Hazardous area low bay lights

The Rankine Series is a mid-power, high-efficacy range of hazardous area low bay lights.

ATEX and IECEx certified, they are suitable for Zones 1/2 (gas) and 21/22 (dust). Featuring efficient light sources, marine-grade aluminium housings, and IP66 protection, they ensure long-term performance in harsh environments.

Each unit comes with an ATEX-certified cable gland and stopping plug, with inlet threads machined to specification. Quick installation is supported by multiple mounting options and a wire-in, wire-out terminal block - removing the need for extra junction boxes.

Available in various wattages and beam angles - wide (120°), medium (80°), and narrow (15°) -the Rankine Series suits both area and spot lighting in petrochemical, offshore, and industrial settings.

Designed for safety, reliability, and efficiency, they provide excellent visibility with minimal maintenance and energy use.

The team at Kellwood Lighting is here to help you find the best product for your project. You can enquire about the Rankine Series Light via the link above the Performance Summary table. Alternatively feel free to speak to one of our lighting design team on +44 (0)1387 255816.

Performance Summary
Series Code	RAN2	RAN3
Nominal Power (Range)	30W or 60W
Luminaire Efficacy @ CRI>70 5700K CCT	132 to 139 lm/W	125 to 130 lm/W
Lumen Output @ CRI>70 5700K CCT	3,960 to 7,920 lm	3,900 to 7,500 lm
Lumen Maintenance (TM21 Calculated)	L80B10 ≥76,000 hours	L80B10 ≥86,000 hours
Optics	120°	15°, 80°
Primary Conformities	ATEX, IECEx, CE
Warranty	5 Years

Downloads

Optic Distribution Design Features Typical Applications Case Studies Gallery Related Products

LIGHT DISTRIBUTION OPTIONS

S-15º

B-80º

120º Optic

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.

Low bay hazardous area lights designed for
purpose

Impact Resistance: Engineered for durability, the Rankine Series features a shock-and vibration-resistant tempered glass lens and a copper-free aluminium alloy housing. Designed to withstand impacts of up to 20 joules (IK10), it significantly reduces the risk of early failure in hazardous environments. Optional wire-guard protection can raise the glass diffuser's rating from IK08 to IK10.
High Lumen Efficacy & Long Life: Delivering up to 139 lm/W at CRI>70 and 5700K, the Rankine Series combines high-output performance with energy efficiency. With a projected lumen maintenance of L70 at 120,000 hours, it ensures long-term reliability with minimal maintenance.
Flexible Mounting Options: Designed for fast, adaptable installation, the Rankine Series supports multiple mounting methods including eye bolt, universal bracket, surface mount, and pipe clamp. Each unit is supplied with an inlet thread machined to specification, ensuring compatibility with on-site requirements and reducing setup time.
Industrial Build Quality: Rated for operation in temperatures from -40°C to +55°C, and protected to IP66, the Rankine Series is built to perform in extreme conditions. Its corrosion-resistant construction makes it an ideal choice for offshore, petrochemical, and industrial environments.
Safe and Streamlined Wiring: The terminal compartment is isolated from the LED light source, providing easy access during installation and maintenance. Wire-in, wire-out capability removes the need for additional junction boxes, reducing complexity and cost.

TYPICAL
APPLICATIONS

Petroleum Industry
Power Generation
Power Transmission
Machine Manufacturing

Case Studies

Vivergo Fuels

Vivergo Fuels is a £350M plant producing two high-value commodities which historically have been imported into the UK. Kellwood Lighting were tasked with providing an explosion-proof lighting system for a new vapour combustion unit being built on-site.

Read More about our Vivergo Fuels work

Gallery

Specifications

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.

Light Source and Photometric Parameters
Series	RAN2	RAN3
Nominal Power (Range)	30W or 60W
Chip Brand, & Model	Osram Duris S5	Luxeon 5050
Luminaire Efficacy @ CRI>70 5700K CCT	132 to 139 lm/W	125 to 130 lm/W
Lumen Output @ CRI>70 5700K CCT	3,960 to 7,920 lm	3,900 to 7,500 lm
Lumen Maintenance (TM21 Calculated)	L80B10 ≥76,000 hours	L80B10 ≥86,000 hours
Light Emission	Direct
CCT	3000K*, 4000K, 5000K, 5700K
CRI	>70, >80*
Symmetric Light Distribution	120°	15°, 80°
Asymmetric Light Distribution	N/A
Lens Opacity	Clear

Environmental
Ingress Rating	IP66
Impact Resistance	IK10/IK08 or IK10/IK10 - see data sheet
Ambient Usage Tolerance	-40° to 55°C
Ambient Humidity Tolerance	0% to 90% RH
Ambient Storage Tolerance	-40° to 55°C

Electrical
Input Voltage	100-240VAC
Input Frequency (VAC)	50-60Hz
Power Factor	>0.98
THD	<10%
Surge Protection	5KV

Physical/Mechanical
Electrical Connection	Terminal Block
Inlet Thread	M25, NPT3/4", M20
Fixture Primary Materials	Aluminium Alloy
Fixture Finish	Powder Coated
Lens(es) Material	Tempered Glass

Dimming/Controls
Dimming Options	N/A
Built-in Controls	N/A

Options/Accessories
Mounting Styles	Surface Mount Brackets, Eyebolts, Pipe Clamp Mount, Stanchion Mount
Available Product Colours	Orange (RAL2011), Grey (RAL7040)
Miscellaneous Accessories	Wire Guard

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.

Standards

ATEX: Ex II 2 G D

Ex d IIB T5 or T6 Gb
Ex t IIIC T95°C or T80°C Db IP66

IECEx

LVD (Directive 2014/35/EU)
EMC (Directive 2014/30/EU)
RoHS (Directive 2011/65/EU)
ErP (Directive 2009/125/EC)

Please refer to the Declaration of Conformity (DoC) and/or product data sheets for individual standards, or contact our Technical Team for further clarification on certification and compliance.

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