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1 Gang 2 Way 10-200W LED Intelligent Dimmer - Matt Black Rounded Edge

£1499
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Knightsbridge CL2191MBB is a 1-gang 2-way intelligent dimmer switch rated for 10-200W incandescent loads or 5-150W LED loads, finished in matt black with a rounded edge metal plate. The dimmer operates via a push on/off rotary control with a matching matt black cap, and can switch between trailing-edge and leading-edge modes to match different dimmable lamp types without replacing the fitting.

Pre-set to trailing-edge mode for LED compatibility, the dimmer includes built-in overload and overheat protection plus a fitted inrush current limiter (ICL) that reduces power surges when lamps are switched on. The 2-way switching configuration allows the same circuit to be controlled from two separate switch positions, making it suitable for hallways, landings and larger rooms where control from both ends is needed. The dimmer fits a standard 25mm minimum back box depth and uses screw terminals for fixed wiring.

The matt black finish is a premium-grade steel construction with a low-sheen coating that hides fingerprints and pairs well with monochrome, industrial and contemporary interiors. The rounded edge profile softens the visual impact compared to sharp-edged plates and sits flush to the wall with a 7.5mm projection once installed. The 87.75mm square faceplate matches standard UK single-gang dimensions.

Knightsbridge recommends using this dimmer with a single lamp type and wattage per circuit — mixing different lamp brands, technologies or wattages on the same dimmer can result in uneven dimming performance or flickering. For multi-lamp circuits, ensure all lamps are the same model and rated as dimmable.

Specification
Height 87.75 mm
Width 87.75 mm
Projection 7.5 mm
Min. Mounting Box Depth 25mm
Construction Premium grade steel
Finish Matt Black
Class I
IP Rating IP20
Primary Voltage 230V 50Hz
Earth Terminal Yes
Terminal Screw
Warranty 2
Downloads

Product Specification Sheet

Frequently Asked

What's the difference between trailing-edge and leading-edge modes?

Trailing-edge mode is optimised for dimmable LED and low-voltage halogen lamps, while leading-edge mode suits traditional incandescent and mains-voltage halogen. This dimmer ships pre-set to trailing-edge for LED compatibility, but can be switched to leading-edge by following the instructions in the datasheet if required for older lamp types.

Can I use this with any dimmable LED bulb?

Most dimmable LED bulbs work with this dimmer, but performance varies by brand and model. For best results, use the same brand and model of dimmable LED across all bulbs on the circuit. Mixing different LEDs can cause flickering or uneven dimming.

What back box depth is required?

A 25mm minimum back box depth is needed. The faceplate adds 7.5mm projection from the wall once installed.

What does 2-way switching mean?

2-way switching allows the same lighting circuit to be controlled from two separate switch positions — for example, a dimmer at each end of a hallway or landing. This requires the correct wiring configuration between the two switch positions.

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 CL2191MBB is a 1-gang 2-way intelligent dimmer switch rated for 10-200W incandescent loads or 5-150W LED loads, finished in matt black with a rounded edge metal plate. The dimmer operates via a push on/off rotary control with a matching matt black cap, and can switch between trailing-edge and leading-edge modes to match different dimmable lamp types without replacing the fitting.

    Pre-set to trailing-edge mode for LED compatibility, the dimmer includes built-in overload and overheat protection plus a fitted inrush current limiter (ICL) that reduces power surges when lamps are switched on. The 2-way switching configuration allows the same circuit to be controlled from two separate switch positions, making it suitable for hallways, landings and larger rooms where control from both ends is needed. The dimmer fits a standard 25mm minimum back box depth and uses screw terminals for fixed wiring.

    The matt black finish is a premium-grade steel construction with a low-sheen coating that hides fingerprints and pairs well with monochrome, industrial and contemporary interiors. The rounded edge profile softens the visual impact compared to sharp-edged plates and sits flush to the wall with a 7.5mm projection once installed. The 87.75mm square faceplate matches standard UK single-gang dimensions.

    Knightsbridge recommends using this dimmer with a single lamp type and wattage per circuit — mixing different lamp brands, technologies or wattages on the same dimmer can result in uneven dimming performance or flickering. For multi-lamp circuits, ensure all lamps are the same model and rated as dimmable.

    Specification
    Height 87.75 mm
    Width 87.75 mm
    Projection 7.5 mm
    Min. Mounting Box Depth 25mm
    Construction Premium grade steel
    Finish Matt Black
    Class I
    IP Rating IP20
    Primary Voltage 230V 50Hz
    Earth Terminal Yes
    Terminal Screw
    Warranty 2
    Downloads

    Product Specification Sheet

    Frequently Asked

    What's the difference between trailing-edge and leading-edge modes?

    Trailing-edge mode is optimised for dimmable LED and low-voltage halogen lamps, while leading-edge mode suits traditional incandescent and mains-voltage halogen. This dimmer ships pre-set to trailing-edge for LED compatibility, but can be switched to leading-edge by following the instructions in the datasheet if required for older lamp types.

    Can I use this with any dimmable LED bulb?

    Most dimmable LED bulbs work with this dimmer, but performance varies by brand and model. For best results, use the same brand and model of dimmable LED across all bulbs on the circuit. Mixing different LEDs can cause flickering or uneven dimming.

    What back box depth is required?

    A 25mm minimum back box depth is needed. The faceplate adds 7.5mm projection from the wall once installed.

    What does 2-way switching mean?

    2-way switching allows the same lighting circuit to be controlled from two separate switch positions — for example, a dimmer at each end of a hallway or landing. This requires the correct wiring configuration between the two switch positions.

    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.