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18W LED Bulkhead IP65 Microwave Sensor CCT - Black

£6999
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Knightsbridge Sherpa 18W LED bulkhead combines a microwave motion sensor with a CCT-switchable LED gear tray in a die-cast aluminium housing. The sensor detects movement through the opal polycarbonate diffuser, triggering the light without requiring a wall-mounted PIR, and the CCT switch on the gear tray allows selection between 3000K (1680lm), 4000K (1790lm) or 6000K (1810lm) output depending on the application.

Designed for outdoor wall and soffit mounting in commercial, residential and industrial settings, the bulkhead suits building perimeters, bin stores, car parks, pathways and loading bays where motion-activated lighting reduces energy use and deters unauthorised access. The IP65 rating seals the housing against dust ingress and water jets from any direction, allowing year-round outdoor use in UK weather. The 360mm diameter and 92mm projection give enough coverage for doorways and alcoves without dominating smaller wall areas.

The die-cast aluminium body dissipates heat from the 18W SMD LED array, supporting the 50,000-hour L70B50 rating. The anti-vandal polycarbonate diffuser resists impact without shattering, making the fitting suitable for public-facing and unsupervised locations. The black powder-coat finish hides dust and weathering better than lighter colours in high-particulate environments. The constant-current driver operates on 230V 50Hz mains and the fitting carries a 5-year manufacturer warranty.

Specification
Diameter 360 mm
Projection 92 mm
Construction Die-cast aluminium
Finish Black
Class I
IP Rating IP65
Primary Voltage 230V 50Hz
Diffuser Opal
Lamp Technology SMD LED
Dimmable No
L70B50 50000
Energy Rating (Class) post 2021 SLR C
Beam Angle 110
CCT 3000/4000/6000 K
Lumens 1680/1790/1810 lm
Lumens (Light Source only) 3000 lm
Wattage 18
Efficacy 132.6 lm/W
CRI >85
Driver Type Constant Current
Warranty 5
Downloads

Product Specification Sheet

Product Manual

Frequently Asked

How does the microwave sensor work?

The microwave sensor detects movement through the polycarbonate diffuser using radio frequency waves, triggering the light when motion is detected within range. This differs from PIR sensors which detect infrared heat. The sensor is integrated into the fitting, so no separate wall-mounted PIR is needed.

How do I change the colour temperature?

The LED gear tray inside the bulkhead has a CCT selector switch accessible when the diffuser is removed. The switch allows selection between 3000K warm white, 4000K neutral white, or 6000K cool white. The colour temperature is set during installation and is not dynamically adjustable once fitted.

Is it suitable for coastal locations?

The IP65 rating and die-cast aluminium construction provide good resistance to moisture and dust, but coastal environments with salt spray can accelerate corrosion of metal fittings. Regular cleaning and inspection are recommended in marine locations.

What detection range does the sensor have?

Microwave sensor range varies with mounting height and angle. Typical detection range for this type of sensor is 8-12m radius when mounted at 2.5-3m height, but consult the product manual for specific coverage data and adjustment instructions.

Shipping & Returns

Free worldwide delivery

Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

Returns

30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.

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    Description

    The Knightsbridge Sherpa 18W LED bulkhead combines a microwave motion sensor with a CCT-switchable LED gear tray in a die-cast aluminium housing. The sensor detects movement through the opal polycarbonate diffuser, triggering the light without requiring a wall-mounted PIR, and the CCT switch on the gear tray allows selection between 3000K (1680lm), 4000K (1790lm) or 6000K (1810lm) output depending on the application.

    Designed for outdoor wall and soffit mounting in commercial, residential and industrial settings, the bulkhead suits building perimeters, bin stores, car parks, pathways and loading bays where motion-activated lighting reduces energy use and deters unauthorised access. The IP65 rating seals the housing against dust ingress and water jets from any direction, allowing year-round outdoor use in UK weather. The 360mm diameter and 92mm projection give enough coverage for doorways and alcoves without dominating smaller wall areas.

    The die-cast aluminium body dissipates heat from the 18W SMD LED array, supporting the 50,000-hour L70B50 rating. The anti-vandal polycarbonate diffuser resists impact without shattering, making the fitting suitable for public-facing and unsupervised locations. The black powder-coat finish hides dust and weathering better than lighter colours in high-particulate environments. The constant-current driver operates on 230V 50Hz mains and the fitting carries a 5-year manufacturer warranty.

    Specification
    Diameter 360 mm
    Projection 92 mm
    Construction Die-cast aluminium
    Finish Black
    Class I
    IP Rating IP65
    Primary Voltage 230V 50Hz
    Diffuser Opal
    Lamp Technology SMD LED
    Dimmable No
    L70B50 50000
    Energy Rating (Class) post 2021 SLR C
    Beam Angle 110
    CCT 3000/4000/6000 K
    Lumens 1680/1790/1810 lm
    Lumens (Light Source only) 3000 lm
    Wattage 18
    Efficacy 132.6 lm/W
    CRI >85
    Driver Type Constant Current
    Warranty 5
    Downloads

    Product Specification Sheet

    Product Manual

    Frequently Asked

    How does the microwave sensor work?

    The microwave sensor detects movement through the polycarbonate diffuser using radio frequency waves, triggering the light when motion is detected within range. This differs from PIR sensors which detect infrared heat. The sensor is integrated into the fitting, so no separate wall-mounted PIR is needed.

    How do I change the colour temperature?

    The LED gear tray inside the bulkhead has a CCT selector switch accessible when the diffuser is removed. The switch allows selection between 3000K warm white, 4000K neutral white, or 6000K cool white. The colour temperature is set during installation and is not dynamically adjustable once fitted.

    Is it suitable for coastal locations?

    The IP65 rating and die-cast aluminium construction provide good resistance to moisture and dust, but coastal environments with salt spray can accelerate corrosion of metal fittings. Regular cleaning and inspection are recommended in marine locations.

    What detection range does the sensor have?

    Microwave sensor range varies with mounting height and angle. Typical detection range for this type of sensor is 8-12m radius when mounted at 2.5-3m height, but consult the product manual for specific coverage data and adjustment instructions.

    Shipping & Returns

    Free worldwide delivery

    Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

    Returns

    30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.