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Knightsbridge 4ft 32W DALI CCT Adjustable LED Batten - White

£5799
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Knightsbridge 4ft DALI CCT adjustable LED batten delivers 32W of integrated LED light through a 1225mm pressed steel and polycarbonate housing finished in white. The CCT adjustment allows switching between three colour temperatures—3000K warm white, 4000K neutral white, and 5700K daylight—via a selector on the driver, making it adaptable to different work environments without changing the fitting.

Designed as a direct replacement for conventional 4ft fluorescent battens in offices, warehouses, workshops and utility spaces, the fitting includes rear and end conduit fixing points that align with existing fluorescent mounting positions. The DALI control gear integrates into simple room or networked building management systems, allowing centralised dimming and scene control across multiple fittings. A hinged gear tray and push-fit loop-in-loop-out terminals reduce installation time by allowing daisy-chained wiring without junction boxes.

The opal polycarbonate diffuser spreads the LED array into an even 105° beam with a CRI of >85, minimising harsh shadows and glare in task lighting applications. At 4000K the fitting outputs 4480lm from the 32W LED, giving an efficacy of 140lm/W. The L70B50 rating of 60,000 hours predicts the LED will retain 70% of initial output after approximately seven years of continuous use, reducing maintenance frequency compared to fluorescent tubes.

Specification
Length 1225 mm
Width 61 mm
Projection 71 mm
Construction Pressed steel
Construction 2 & polycarbonate
Finish White
Class I
IP Rating IP20
Primary Voltage 230V 50Hz
Diffuser Opal
Lamp Technology LED
L70B50 60000
Energy Rating (Class) post 2021 SLR D
Beam Angle 105
CCT 3000/4000/5700 K
Light Colour CCT
Lumens 3790/4480/4120 lm
Lumens (Light Source only) 4970 lm
Wattage 32
Efficacy 157.16 lm/W
CRI >85
Driver Type DALI
Warranty 5
Downloads

Product Specification Sheet

Product Manual

Frequently Asked

How is the CCT adjusted?

A selector switch on the DALI driver allows you to choose between 3000K warm white, 4000K neutral white, and 5700K daylight. The setting is chosen during installation and requires access to the gear tray to change later.

Can this be dimmed?

Yes. The DALI control gear integrates into DALI-compatible building management systems for full dimming and scene control. It also supports push-dimming via a DALI push-button interface where no building system is present.

Is it a direct replacement for fluorescent battens?

Yes. The 1225mm length, rear and end conduit fixing points, and similar mounting profile make this a direct swap for conventional 4ft fluorescent fittings. The push-fit loop-in-loop-out terminals allow daisy-chained wiring without modifying the existing electrical layout.

What does the IP20 rating mean?

IP20 means the fitting is protected against solid objects larger than 12.5mm but offers no moisture protection. This batten is suitable for indoor dry environments only—offices, workshops, storage areas—and should not be used in damp or outdoor locations.

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 4ft DALI CCT adjustable LED batten delivers 32W of integrated LED light through a 1225mm pressed steel and polycarbonate housing finished in white. The CCT adjustment allows switching between three colour temperatures—3000K warm white, 4000K neutral white, and 5700K daylight—via a selector on the driver, making it adaptable to different work environments without changing the fitting.

    Designed as a direct replacement for conventional 4ft fluorescent battens in offices, warehouses, workshops and utility spaces, the fitting includes rear and end conduit fixing points that align with existing fluorescent mounting positions. The DALI control gear integrates into simple room or networked building management systems, allowing centralised dimming and scene control across multiple fittings. A hinged gear tray and push-fit loop-in-loop-out terminals reduce installation time by allowing daisy-chained wiring without junction boxes.

    The opal polycarbonate diffuser spreads the LED array into an even 105° beam with a CRI of >85, minimising harsh shadows and glare in task lighting applications. At 4000K the fitting outputs 4480lm from the 32W LED, giving an efficacy of 140lm/W. The L70B50 rating of 60,000 hours predicts the LED will retain 70% of initial output after approximately seven years of continuous use, reducing maintenance frequency compared to fluorescent tubes.

    Specification
    Length 1225 mm
    Width 61 mm
    Projection 71 mm
    Construction Pressed steel
    Construction 2 & polycarbonate
    Finish White
    Class I
    IP Rating IP20
    Primary Voltage 230V 50Hz
    Diffuser Opal
    Lamp Technology LED
    L70B50 60000
    Energy Rating (Class) post 2021 SLR D
    Beam Angle 105
    CCT 3000/4000/5700 K
    Light Colour CCT
    Lumens 3790/4480/4120 lm
    Lumens (Light Source only) 4970 lm
    Wattage 32
    Efficacy 157.16 lm/W
    CRI >85
    Driver Type DALI
    Warranty 5
    Downloads

    Product Specification Sheet

    Product Manual

    Frequently Asked

    How is the CCT adjusted?

    A selector switch on the DALI driver allows you to choose between 3000K warm white, 4000K neutral white, and 5700K daylight. The setting is chosen during installation and requires access to the gear tray to change later.

    Can this be dimmed?

    Yes. The DALI control gear integrates into DALI-compatible building management systems for full dimming and scene control. It also supports push-dimming via a DALI push-button interface where no building system is present.

    Is it a direct replacement for fluorescent battens?

    Yes. The 1225mm length, rear and end conduit fixing points, and similar mounting profile make this a direct swap for conventional 4ft fluorescent fittings. The push-fit loop-in-loop-out terminals allow daisy-chained wiring without modifying the existing electrical layout.

    What does the IP20 rating mean?

    IP20 means the fitting is protected against solid objects larger than 12.5mm but offers no moisture protection. This batten is suitable for indoor dry environments only—offices, workshops, storage areas—and should not be used in damp or outdoor locations.

    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.