LEGACY PRODUCT - HESTON SERIES
This product is no longer part of our core range. We may still hold some stock, or be able to manufacture it as a "special", but you might want to consider the alternatives below:
Alternatively, please contact us on:
lightingsales@kellwood.co.uk
+44 (0)1387255816
Commercial Linear
Heston
Series
High-output, premium T8 tubes for application in all commercial and industrial environments
Kellwood's Heston Series range LED T8 tubes were developed as a multi-purpose solution for existing fluorescent tube replacement. Ultra-high efficacy chips produce more light and less heat than competitor products allowing for lower running costs, brighter fixtures and longer lifetimes.
Our lighting design team is here to help you find the most suitable light fitting for your project. You can enquire about the Heston series product via the link on this page. Alternatively feel free to speak to one of our team on +44 (0)1387 255816.
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 | Jufei-Epistar SMD2835 |
|---|---|
| Light Emission | Direct |
| CCT | 3000K, 4000K, 5000K, 6000K |
| CRI | >80, >90, >95 |
| Lens Opacity | Clear, Frosted |
| Ingress Rating | IP20 |
|---|---|
| Ambient Usage Tolerance | -20° to 40°C |
| Ambient Humidity Tolerance | 10% to 80% RH |
| Ambient Storage Tolerance | -40° to 85°C |
| Input Voltage | 220-240VAC |
|---|---|
| Driver Brand(s) | Letron, XY Power, Inventronics |
| Input Frequency (VAC) | 50-60Hz |
| Power Factor | ≥0.95 |
| THD | <20% |
| Electrical Connection | Retrofit (Non-Dimming) |
|---|---|
| Fixture Primary Materials | Aluminium |
| Fixture Finish | Anodise |
| Lens(es) Material | UV Stabilised Polycarbonate |
| Dimming Options | 1-10V, DALI (External Driver - Non-Retrofit) |
|---|
| Mounting Styles | Fixed End Caps, Rotatable End Caps |
|---|---|
| Miscellaneous Accessories | Clear Cover |
CE
TUV
SAA
VOE
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.
| Series Code | HES |
|---|---|
| Nominal Power (Range) | 11W to 30W |
| Lengths | 2ft, 4ft, 5ft, 6ft |
| Luminaire Efficacy @ CRI>80 4000K CCT | 140 to 152 lm/W |
| Lumen Output @ CRI>80 4000K CCT | 1400 to 4440 lumens |
| Lumen Maintenance (TM21 Reported) | L70B50 ≥50,000 hours |
| Primary Conformities | CE (EMC, LVD, RoHS, ErP) |
| Warranty | 5 Years |
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 variety of lengths, wattages and beam angles make the Heston Series well suited for a wide range of retrofit applications whilst optional locking rotatable end caps simplify installation. A range of CCT and optional CRI 95 ensure the Heston series can be used in both industrial and commercial applications.
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- 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
