LED Bollard Lighting

LED Bollard Light Flat Top Cone Reflector
Cosham 20W

Name: LED Bollard Light Flat Top Cone Reflector – Cosham 20W
Brand: Gemma Lighting
Availability: InStock

20W Cosham LED bollard light with a flat top for modern and efficient outdoor lighting

The Cosham 20W LED Bollard Light Flat Top Cone Reflector delivers high-performance outdoor lighting with an IP65 / IK10 rating for durability and vandal resistance.

Built with extruded die-cast aluminium and a UV-stabilised polycarbonate diffuser, it ensures high efficiency while providing a symmetrical light spread with minimal upward glare through its silver optical controller.

At 20W, it delivers up to 3,001 lumens (LED rating) and 2,551 lumens (luminaire flux), achieving an efficacy of 128 lumens per watt. The warm white version provides 2,596 lumens (LED rating), 2,206 lumens (luminaire flux), and 110 lumens per watt efficacy.

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Gallery

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Datasheet

Install Guide

Photometry

Images

BIM files

Code	Description	LED Rating (lm)	Total Power (W)	Lum. Flux (lm)	Efficacy (llm/cW)
Standard
CB20-A3C-00-B	Cosham - 20W - LED - AC - 6000K - Std - Black	3,001	20	2,551	128
CB20-A3N-00-B	Cosham - 20W - LED - AC - 4000K - Std - Black	3,001	20	2,551	128
CB20-A3W-00-B	Cosham - 20W - LED - AC - 3000K - Std - Black	2,596	20	2,206	110
CB20-A3X-00-B	Cosham - 20W - LED - AC - 2700K - Std - Black	2,596	20	2,206	110
Standard-Emergency
CB20-A3C-01-B	Cosham - 20W - LED - AC - 6000K - Std - E3 - Black	3,001	20	2,551	128
CB20-A3N-01-B	Cosham - 20W - LED - AC - 4000K - Std - E3 - Black	3,001	20	2,551	128
CB20-A3W-01-B	Cosham - 20W - LED - AC - 3000K - Std - E3 - Black	2,596	20	2,206	110
CB20-A3X-01-B	Cosham - 20W - LED - AC - 2700K - Std - E3 - Black	2,596	20	2,206	110
Standard - Mini Photocell
CB20-A3C-04-B	Cosham - 20W - LED - AC - 6000K - Std - M/Photocell - Black	3,001	20	2,551	128
CB20-A3N-04-B	Cosham - 20W - LED - AC - 4000K - Std - M/Photocell - Black	3,001	20	2,551	128
CB20-A3W-04-B	Cosham - 20W - LED - AC - 3000K - Std - M/Photocell - Black	2,596	20	2,206	110
CB20-A3X-04-B	Cosham - 20W - LED - AC - 2700K - Std - M/Photocell - Black	2,596	20	2,206	110
Standard - Mini Photocell - Emergency
CB20-A3C-10-B	Cosham - 20W - LED - AC - 6000K - Std - M/Photocell - E3 - Black	3,001	20	2,551	128
CB20-A3N-10-B	Cosham - 20W - LED - AC - 4000K - Std - M/Photocell - E3 - Black	3,001	20	2,551	128
CB20-A3W-10-B	Cosham - 20W - LED - AC - 3000K - Std - M/Photocell - E3 - Black	2,596	20	2,206	110
CB20-A3X-10-B	Cosham - 20W - LED - AC - 2700K - Std - M/Photocell - E3 - Black	2,596	20	2,206	110
Dali
CB20-A3C-20-B	Cosham - 20W - LED - AC - 6000K - Dali - Black	3,001	20	2,551	128
CB20-A3N-20-B	Cosham - 20W - LED - AC - 4000K - Dali - Black	3,001	20	2,551	128
CB20-A3W-20-B	Cosham - 20W - LED - AC - 3000K - Dali - Black	2,596	20	2,206	110
CB20-A3X-20-B	Cosham - 20W - LED - AC - 2700K - Dali - Black	2,596	20	2,206	110

Note: Bollard will continue to work at 50% for 3Hrs in emergency mode. Legend: Std = Standard. DALI = DALI Driver. Astro = AstroDIM Driver. M/Photocell = Mini Photocell. PIR = PIR Sensor. E3 = Emergency. 6K = Cool White (6000K). 4K = Neutral White (4000K). 3K = Warm White (3000K). 2.7K = Extra Warm White (2700K). 2.2K = Ultra Warm White (2200K). Note: Small 575mm Height Bollard (5.0Kg) - Change CB20 to CBS20.

Key Features & Benefits:

Wattage: 20W
LED Rating (lm): 3,001 (4000K & 6000K) | 2,596 (2700K & 3000K)
Luminaire Flux (lm): 2,551 (4000K & 6000K) | 2,206 (2700K & 3000K)
Luminaire Efficacy (lm/W): 128 (4000K & 6000K) | 110 (2700K & 3000K)
Material: Extruded die-cast aluminium with a UV-stabilised polycarbonate diffuser
Optical Control: Silver optical controller for reduced glare and even light distribution
Colour Temperature Options: Extra Warm White (2700K), Warm White (3000K), Neutral White (4000K), Cool White (6000K)
LED Lifespan: Over 100,000 hours
Control Options: DALI, Mini Photocell, AstroDIM, PIR Sensor, 3hr Emergency, 180° Spill Shield
Mounting Options: Flange Plate or 300mm Bolt-on Root Mount
Vandal Resistance: Tamper-proof fixings for added security
Easy Maintenance: Removable head for quick access to LED and driver
Customisation: Available in any painted RAL finish
Operating Temperature Range: Standard: -20°C to +40°C, Emergency: 0°C to +40°C

The Cosham 20W LED Bollard Light Flat Top Cone Reflector is perfect for outdoor areas such as prestigious grounds, car parks, parks and gardens, walkways, security zones, and amenity spaces. Designed for efficiency and longevity, it meets Dark Skies recommendations (3000K + dimmable option) and is bat & insect-friendly (2700K + dimmable option).

Width: ⌀180mm

Height: 1000mm/575mm

Length: N/A

Weight: 6.4kg/7.2kg

Cosham 20W [6000K – Cool White]:

IP65 Black Flat Head LED Bollard with silver optical controller and UV stabilised polycarbonate diffuser – Size [1000mm/650mm] x ø180mm. 20W with 2,640lm LED rating and minimum Luminaire Flux of 2,249lm from 6000K LEDs. IK10 Housing with tamper proof fixings. LED Life span of 100,00hrs using Osram LEDs and Osram Driver. To contain integral [3Hr Emergency / Mini Photocell / PIR Sensor]. As Gemma Lighting – Cosham 20W.

Cosham 20W [4000K – Neutral White]:

IP65 Black Flat Head LED Bollard with silver optical controller and UV stabilised polycarbonate diffuser – Size [1000mm/650mm] x ø180mm. 20W with 2,640lm LED rating and minimum Luminaire Flux of 2,249lm from 4000K LEDs. IK10 Housing with tamper proof fixings. LED Life span of 100,00hrs using Osram LEDs and Osram Driver. To contain integral [3Hr Emergency / Mini Photocell / PIR Sensor]. As Gemma Lighting – Cosham 20W.

Cosham 20W [3000K – Warm White]:

IP65 Black Flat Head LED Bollard with silver optical controller and UV stabilised polycarbonate diffuser – Size [1000mm/650mm] x ø180mm. 20W with 2,233lm LED rating and minimum Luminaire Flux of 1,898lm from 3000K LEDs. IK10 Housing with tamper proof fixings. LED Life span of 100,00hrs using Osram LEDs and Osram Driver. To contain integral [3Hr Emergency / Mini Photocell / PIR Sensor]. As Gemma Lighting – Cosham 20W.

Cosham 20W [2700K – Extra Warm White]:

IP65 Black Flat Head LED Bollard with silver optical controller and UV stabilised polycarbonate diffuser – Size [1000mm/650mm] x ø180mm. 20W with 2,233lm LED rating and minimum Luminaire Flux of 1,898lm from 27000K LEDs. IK10 Housing with tamper proof fixings. LED Life span of 100,00hrs using Osram LEDs and Osram Driver. To contain integral [3Hr Emergency / Mini Photocell / PIR Sensor]. As Gemma Lighting – Cosham 20W.

Notes: Delete as required.