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1 Way 10-150W Trailing Edge Pull Cord Dimmer Switch - Smoked Bronze

£2499
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Knightsbridge 1-way trailing edge pull cord dimmer switch supports incandescent loads from 10-150W or LED loads from 5-100W, controlled via a pull-cord mechanism with integrated dimming. A single pull switches the light on or off; holding the cord dims the light up or down to the desired brightness. The switch includes a built-in potentiometer for tuning the dimming curve to match specific bulb types, reducing flicker and improving compatibility.

Designed for bathrooms, bedrooms and other rooms where wall-switch access is impractical, the pull cord extends 1.5m from the switch body, allowing it to be mounted on a ceiling or high on a wall with the cord hanging within reach. The 75mm diameter circular body is 36mm deep and fits ceiling roses or surface-mounted back boxes. The trailing edge technology works best with dimmable LED and low-voltage halogen lamps; always verify compatibility with the lamp manufacturer before installation.

The smoked bronze finish is a dark metallic tone partway between gunmetal and aged brass, providing a contrast accent against white ceilings or pairing with darker interiors. The body is constructed from premium-grade steel and ABS, rated Class II (double-insulated) with IP20 protection for dry indoor locations. The switch is certified to EN 60669-2 and carries a 2-year warranty.

Specification
Diameter 75 mm
Height 36 mm
Construction Premium grade steel
Construction 2 & ABS
Finish Smoked Bronze
Class II
IP Rating IP20
Primary Voltage 230V 50Hz
Cable Length 1.5 m
Warranty 2
Downloads

Product Specification Sheet

Product Manual

Frequently Asked

What's the difference between trailing edge and leading edge dimming?

Trailing edge dimmers (like this model) reduce voltage at the end of each AC waveform cycle, making them compatible with most dimmable LED and electronic low-voltage transformers. Leading edge dimmers cut the start of the waveform and work better with traditional incandescent and mains-voltage halogen bulbs. Trailing edge technology reduces buzzing and flicker with modern LED lamps.

Can this be used in a bathroom?

Yes, provided it's installed outside bathroom zones 0, 1 and 2 as defined by Part P Building Regulations. The IP20 rating means it must not be exposed to direct water spray. Most bathroom installations mount the switch on the ceiling outside the shower/bath zone with the pull cord hanging within reach.

How is the dimming curve adjusted?

The built-in potentiometer is a small dial or screw adjustment accessible on the switch body (see the product manual for exact location). Turning the potentiometer changes the minimum and maximum brightness levels, allowing the dimmer to be tuned for specific bulb types and reducing flicker or dropout at low settings.

What happens if I use it with a non-dimmable LED bulb?

Non-dimmable LED bulbs may flicker, buzz, or fail to dim smoothly when used with this switch. Always use dimmable-rated LED bulbs and verify compatibility with the bulb manufacturer. Some budget dimmable LEDs also perform poorly; branded dimmable LEDs from Philips, Osram or similar tend to give better results.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

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Every product arrives brand new with the full manufacturer warranty. Found it cheaper elsewhere? Ask us about a price match.

Installation

Fits standard UK back boxes

Designed to fit standard UK back boxes for a straightforward swap of your existing fittings.

Ordering with us

Free delivery over £99

Free delivery on orders over £99, in the UK and worldwide. Easy returns within 14 days, subject to our returns policy. Full manufacturer warranty included.

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    Description

    The Knightsbridge 1-way trailing edge pull cord dimmer switch supports incandescent loads from 10-150W or LED loads from 5-100W, controlled via a pull-cord mechanism with integrated dimming. A single pull switches the light on or off; holding the cord dims the light up or down to the desired brightness. The switch includes a built-in potentiometer for tuning the dimming curve to match specific bulb types, reducing flicker and improving compatibility.

    Designed for bathrooms, bedrooms and other rooms where wall-switch access is impractical, the pull cord extends 1.5m from the switch body, allowing it to be mounted on a ceiling or high on a wall with the cord hanging within reach. The 75mm diameter circular body is 36mm deep and fits ceiling roses or surface-mounted back boxes. The trailing edge technology works best with dimmable LED and low-voltage halogen lamps; always verify compatibility with the lamp manufacturer before installation.

    The smoked bronze finish is a dark metallic tone partway between gunmetal and aged brass, providing a contrast accent against white ceilings or pairing with darker interiors. The body is constructed from premium-grade steel and ABS, rated Class II (double-insulated) with IP20 protection for dry indoor locations. The switch is certified to EN 60669-2 and carries a 2-year warranty.

    Specification
    Diameter 75 mm
    Height 36 mm
    Construction Premium grade steel
    Construction 2 & ABS
    Finish Smoked Bronze
    Class II
    IP Rating IP20
    Primary Voltage 230V 50Hz
    Cable Length 1.5 m
    Warranty 2
    Downloads

    Product Specification Sheet

    Product Manual

    Frequently Asked

    What's the difference between trailing edge and leading edge dimming?

    Trailing edge dimmers (like this model) reduce voltage at the end of each AC waveform cycle, making them compatible with most dimmable LED and electronic low-voltage transformers. Leading edge dimmers cut the start of the waveform and work better with traditional incandescent and mains-voltage halogen bulbs. Trailing edge technology reduces buzzing and flicker with modern LED lamps.

    Can this be used in a bathroom?

    Yes, provided it's installed outside bathroom zones 0, 1 and 2 as defined by Part P Building Regulations. The IP20 rating means it must not be exposed to direct water spray. Most bathroom installations mount the switch on the ceiling outside the shower/bath zone with the pull cord hanging within reach.

    How is the dimming curve adjusted?

    The built-in potentiometer is a small dial or screw adjustment accessible on the switch body (see the product manual for exact location). Turning the potentiometer changes the minimum and maximum brightness levels, allowing the dimmer to be tuned for specific bulb types and reducing flicker or dropout at low settings.

    What happens if I use it with a non-dimmable LED bulb?

    Non-dimmable LED bulbs may flicker, buzz, or fail to dim smoothly when used with this switch. Always use dimmable-rated LED bulbs and verify compatibility with the bulb manufacturer. Some budget dimmable LEDs also perform poorly; branded dimmable LEDs from Philips, Osram or similar tend to give better results.

    Shipping & Returns

    Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

    Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

    To arrange a return, call us on 020 8149 5199 or use our contact page.