Sale Icon
Review Icon
Free Delivery Icon

1 Gang 2 Way LED Dimmer Switch 5–150W Matt White Screwless Knightsbridge SF2191MW

Model No. SF2191MW by: Knightsbridge
Availability: Normally In Stock

£16.48

Ex. VAT
List price £54.92
You save £38.44!
Free Delivery
(over £100+VAT, applies to zone A only , £6 +VAT otherwise)
Click & Collect
Order online & collect in store

This is the 1 Gang 2 Way LED Dimmer Switch 5–150W Matt White Screwless Knightsbridge SF2191MW available at SparksDirect.co.uk for the best price. The Knightsbridge SF2191MW Intelligent LED Dimmer Switch delivers advanced lighting control with a sleek, modern aesthetic. Designed for contemporary interiors, this 1 gang 2 way dimmer allows you to control lighting from multiple locations while maintaining smooth and precise brightness adjustment.

Engineered for compatibility with modern lighting systems, it supports 5–150W dimmable LED loads as well as traditional lighting types. Its intelligent dimming technology allows switching between leading-edge and trailing-edge modes, ensuring optimal performance across a wide range of lamps while reducing flicker and improving stability.

Finished in a premium matt white screwless flat plate, this dimmer offers a clean, minimalist look with no visible fixings. Built from durable steel and designed for easy installation, it provides both style and long-term reliability for residential and commercial applications.

Note: Do not use in a mixed environment i.e. difference brands of lamps or different wattages of lamps in same fitting.

Features & Benefits

  • 1 Gang 2 Way Dimmer – Control lighting from one or two locations
  • 5–150W LED Compatibility – Designed for modern dimmable LED lamps
  • Intelligent Dimming Technology – Switchable between trailing-edge and leading-edge modes
  • Push On/Off + Rotary Control – Smooth, intuitive brightness adjustment
  • Anti-Flicker Performance – Stable dimming for improved lighting quality
  • Trimming Function – Fine-tune performance for specific lamp types
  • Inrush Current Limiter (ICL) – Reduces startup surges for longer lifespan
  • Overload & Overheat Protection – Built-in safety features
  • Screwless Low Profile Design – Premium flat plate with clean finish
  • Matt White Finish – Ideal for modern interiors

Technical Specifications

  • Product Code: SF2191MW
  • Type: 1 Gang Intelligent LED Dimmer Switch
  • Switching: 2 Way
  • Load Capacity:
    - 5–150W LED
    - 10–200W incandescent
    - 10–150W halogen (various types)
  • Voltage: 230V AC, 50Hz
  • Operation: Push on/off with rotary dimming
  • Dimming Mode: Switchable trailing-edge / leading-edge
  • Material: Premium grade steel
  • Finish: Matt White (screwless flat plate)
  • Dimensions: 87.5mm × 87.5mm
  • Projection: 4.3mm
  • Minimum Back Box Depth: 25mm
  • IP Rating: IP20 (indoor use)
  • Class: Class I
  • Terminal Type: Screw terminals
  • Terminal Capacity: 2 × 1.0mm² or 2 × 1.5mm²
  • Protection Features: Overload, over-temperature, ICL
  • Standards: BS EN 60669 compliant
  • Suitable for dimmable lamps only
  • Overload and overheat protection for added safety
  • Integrated Inrush Current Limiter (ICL) to protect circuits and extend lifespan
  • Warranty: Typically 2 years

Three Reasons Customers Recommend This Product

  1. Excellent LED Compatibility: Intelligent dimming reduces flicker and improves performance with modern lamps.
  2. Premium Design: Screwless matt white finish gives a high-end, minimalist look.
  3. Advanced Features: Built-in protection and adjustable dimming modes provide flexibility and reliability.

Who Can Install This

This dimmer should be installed by a qualified electrician or registered installer (e.g., Part P certified in the UK). As it involves mains voltage wiring and dimming circuitry, professional installation ensures compliance with BS 7671 regulations and guarantees safe operation.

Who Needs This Product

  • Homeowners upgrading to modern LED dimming systems
  • Electricians installing high-spec decorative wiring accessories
  • Interior designers creating premium lighting environments
  • Renovation projects requiring multi-way dimming control
  • Commercial spaces needing reliable and flexible lighting adjustment
Switches & Sockets Specific
Back Box Depth 35mm
Brand Knightsbridge
Colour White
Finish Style Matt
Gang 1
Insert No Insert
Plate Dimensions 87.5mm x 87.5mm
Plate Material Metal
Plate Projection / Protrusion 4.3mm
Type LED Dimmer

Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.

Need more detailed specs?

Ask a question

Note: HTML is not translated!

Shipping

Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.

Returns

We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.