BG Brushed Steel Screwless Flat Plate 4 Gang Light Switch 3x Dual Mode LED Dimmer 1x 2 Way Custom Switch - Supplied as Separate Grid Parts (Assembly Needed)
BG Brushed Steel Screwless Flat Plate 4 Gang Light Switch 3x Dual Mode LED Dimmer 1x 2 Way Custom Switch - Supplied as Separate Grid Parts (Assembly Needed)
What you receive (supplied as separate parts, assembly needed):
- 1x RFR34FP - Grid Frame 3 + 4 Gang - For Screwless Metal
- 1x RFBS4 - Grid Front Plate Screwless - 4 Gang
- 3x RBSDLT - Grid Intelligent Dual Mode Dimmer Module, 2 Way
- 1x RBS12 - Grid 20AX Switch Module 2 Way, SP
Which bulbs: the dimmer is rated 5 to 150W per dimmer in trailing edge mode (the default setting) and 5 to 100W in leading edge mode, for dimmable LED, halogen and incandescent lamps. Use dimmable lamps only and keep the total load within this range.
Back box: use a 35mm deep back box for an easy fit, as the dimmer module is deep. The manufacturer minimum is 25mm, but a shallow box leaves little room for the wiring.
Fitting: clip the modules into the frame, wire, fix the frame to the back box, fit the screwless flat front plate, then push on the dimmer knob. Installation by a competent person is recommended.
Questions before you order? Call us on 0333 880 3399.
Dimmer module technical specifications (RBSDLT)
| Standard(s) | BS EN 60669-2-1 |
| Voltage | 220-240V AC |
| Dimmable LED | Trailing: 5-150W, Leading: 5-100W |
| Tungsten/Incandescent | Trailing: 5-150W, Leading: 5-100W |
| Halogen | Trailing: 5-150W, Leading: 5-100W |
| Type | Switchable Leading/Trailing Edge (set to Trailing Edge as default) |
| Terminal Capacity | 2 x 1mm² & 2 x 1.5mm² |
| Mounting Box Depth (Min) | 25mm |
Your grid switch arrives as a kit: a front plate, a metal grid frame and the switch modules you chose. Modules clip into the frame, the frame screws to the back box, and the plate fits over the top.
Safety first: Only fit this yourself if you are competent to do electrical work. Work must meet BS 7671, and some jobs (for example new circuits, or work in bathrooms) are notifiable under Part P in England and Wales. If in doubt, use a registered electrician.
- Switch the circuit off at the consumer unit and confirm it is dead with a voltage tester before touching any wiring.
- Unscrew the old switch, take a photo of the wiring and label which cable goes to which terminal.
- Check the back box is deep enough: at least 25 mm for switches, 35 mm for dimmers and larger plates (see the spec sheets below).
- Clip each module into the grid frame from the front, in the order shown on this listing, with the 'TOP' marking facing up.
- Wire each module: one-way uses COM and L1, two-way uses COM, L1 and L2, and an intermediate takes both pairs of strapper wires. For dimmers and 20A modules, follow BG's leaflet below.
- Connect the earth (green/yellow) cable to the earth terminal on the grid frame or metal plate.
- Screw the grid frame to the back box, then fit the front plate. Screwless plates clip over the frame.
- Switch the power back on and test every switch and dimmer.
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