2 Gang Dolly/Momentary Switch Invisible Plate Stainless Steel Button: 1 Gang Momentary Switch + 1 Gang 2 Way Dolly

This is the Forbes and Lomax 2GTBELL/S, a two gang composed of one gang momentary switch and one gang two way dolly switch invisible plate with stainless steel button, 2G button dimmer controller, manufactured by Forbes and Lomax.

The Forbes and Lomax Dolly Switch

The Forbes and Lomax Dolly Switches are On/off Switches available in 2-way, Intermediate and double pole versions. Retractive dolly switches can be used as dimmer controllers when connected to a dimmer pack or dimming system. 2-way-and-off switches can be used to operate blinds.

The Forbes and Lomax dolly switches can be mixed with Button Dimmer Controllers on the same plate, however they can not be combined with rotary dimmers. The Forbes & Lomax dolly switches are available in: the Invisible Lightswitch® Range, the Antique Bronze Range, the Stainless Steel Range, the Aged Brass Range, the Unlacquered Brass Range, the Nickel Silver Range, and the Verdigris Range.

Technical Information - Forbes and Lomax Dolly Switch

• The Forbes and Lomax Dolly Switch Conforms to BS EN 60669 - 1: 1999 when assembled to appropriate plate and grid and
• installed correctly. ASTA Certificate No: 16240
• All Forbes and Lomax dolly switches require British standard 35mm deep flush wall boxes (to be ordered separately).
• Voltage: 250V AC, 50Hz
• Current rating: 20AX
• Terminal capacities: 4 x 1mm2 (Flex), 4 x 1.5mm2 (Solid), 3 x 2.5mm2 (Solid), 2 x 4mm2 (Solid), 1 x 6mm2 (Solid). 
• Ambient Operating Temperature: -5 degrees to +40 degrees Celsius
• IP rating: IP2XD
• Max. installation altitude: 2000m
• No. of operations: 10.000 
• Dimensions: 1-2 gang rocker switch 86mm x 86mm; 3-4 gang 146mm x 86mm. 

The Forbes and Lomax Button dimmers

• Standards, Approvals & Directives: Button dimmer Conforms to BS EN 60669 - 1: 1999 when assembled to appropriate plate and grid and installed correctly. ASTA Certificate No: 16240
• Button dimmers are manufactured from brass and finished to complement or match the cover plates.
• They feature a solid brass button
• All products clearly printed with BSNo’s, ratings, etc
• They are contact-closure momentary switch
• Button dimmers are screwed to appropriate grids.
• All the Forbes and Lomax buttons are available in the complete range of plate finishes: Unlacquered Brass, Antique Bronze, Stainless Steel, Polished Nickel, Verdigris and Invisible.
• Supply voltage: 250V AC, 50Hz
• Current rating: 4A
• Ambient operating temperature: -5 degrees to 40 degrees Celsius
• Max. installation altitude: 2000m
• IP Rating: IP2XD
• No of operations: 40.000
• Terminal capacity: 3 x 1mm (Flex), 2 x 1mm (Solid), 2 x 1.5mm (Solid), 1 x 2mm (solid), and 1 x 2.5mm (Solid). 
• Button dimmer dimensions: 23mm width x 50.3mm height x 30.5mm depth. 
• Manufactured by Forbes and Lomax
• This is a Forbes & Lomax 2 button dimmer - 1 momentary switch and 1 two way dolly switch
• Finish: invisible plate with Stainless Steel button
• All Forbes and Lomax switches and sockets require British standard 35mm deep flush wall boxes.
• The Forbes and Lomax Momentary / contact closure switches require an in-line dimmer pack to enable them to work as a dimmer. They can be used for lighting control and home automation systems. The dimmer pack has to be located in an accessible void, out of earshot; any noise generated when dimming will come from the dimmer pack - no noise will be emitted from the switch itself. 
• All momentary switches (contact-closure switches) require an in-line dimming pack to enable them to work as a dimmer, or a relay pack to have an ON/OFF function. The button dimmer controller allows dimming from more than one location, and it can be used to control home automation systems.
• Dimensions: 22.2mm diameter button dimmer, with no plastic trim.
• You can achieve multiple switching locations on one lighting circuit by wiring the buttons in parallel; all the locations must have momentary controls, and each location can be used to dim. However, you cannot use normal switches on the same circuit as the button dimmer. 
• To use a momentary control as a simple ON/OFF switch, you need to put a link to the in-line relay pack. 

Please note: The button dimmer / momentary switch will only work in conjunction with an inline dimmer (see the required items). The way it works is: one in-line dimmer (impulse dimmer) per button dimmer. For 50-1000W 4A dimming you can order the ID0401 and for LED dimming you can use ID0101LE. 

About the Forbes and Lomax Invisible Range

Inspired by the glass switches of the 1930s but with all the advantages of modern technology, the Invisible Lightswitch® by Forbes and Lomax has become synonymous with Forbes & Lomax. The transparent acrylic plates are secured without the use of fixing screws. The plate sits flush to the wall and is supplied with Brass, Brushed Brass, Nickel Silver, Stainless Steel or Antique Bronze switches or dimmers. Each acrylic plate comes with a primed aluminium underplate which can be either painted or used as a template where wallpaper is used.

• Forbes and Lomax Invisible Range is available in the following: Dolly Switch, Rotary Dimmer, Button Dimmer, and Rocker Switch. Furthermore, a full range of socket outlets are available, including power outlets, European sockets, telecom and data, audio and visual, fused connection and floor sockets.
• Inspired by the glass switches of the 1930s but with all the advantages of modern technology, the Invisible Lightswitch has become synonymous with Forbes & Lomax.
• The transparent acrylic plates are secured without the use of fixing screws. The plate sits flush to the wall and is supplied with brass, nickel silver, stainless steel or antique bronze switches or dimmers.
• Each acrylic plate has a 0.5mm underplate which can be either painted or used as a template where wallpaper is used.
• All switches conform to BSEN 60669-1:2018. 13amp sockets conform to BS1363-2:2016 +A1: 2018, 2amp and 5amp sockets conform to BS546:1950
• Single plates measure 86mm x 86mm and double plates measure 146mm x 86mm
• All Forbes & Lomax switches and sockets require British standard 35mm deep flush wall boxes, but we recommend 47mm for ease of installation

Integrating Forbes & Lomax Switches with Lighting Control and Home Automation Systems

• Forbes & Lomax contact closure push buttons and toggle switches can be used as controls for panel-based home automation systems such as Mode Edin, Lutron Homeworks, Crestron KNX, Control 4, Rako and many more.
• The switches connect to these systems using contact closure interfaces. Once connected, different functions can be assigned to the switches via programming in the system’s software. Typical examples of functions would be selecting and dimming a lighting zone or scene, cycling through multiple scenes, switching the “whole house off”, raising and lowering window shades, etc.
• Cover plates can be custom engraved with text to denote the functions of each switch. Whilst our contact closure push buttons and toggles function as the front-end controls (an alternative to standard “keypads”), it is the lighting control systems and “panel” of dimmers, which are hidden away in an electrical closet, that would handle the lighting loads.
• The contact closure interfaces can either be housed in the back boxes behind the Forbes & Lomax switches or in the electrical closet with the system’s processor. If the interfaces are located with the processor, data cables would need to be run from each switch location back to the interfaces. If the interfaces are in the back boxes behind the switches, the switch locations can be wired together as a network. One must bear in mind the size of the interfaces, when considering housing them in the back boxes behind the switches.

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?

• button-dimmer-forbes.pdf (684.09 kB)
• dolly-switch-assembly.pdf (480.75 kB)
• dolly-switch-forbes1.pdf (532.26 kB)
• forbes-instr-electricians.pdf (492.5 kB)
• forbes Invisible Range.pdf (129.89 kB)
• gbell Integrating Forbes Lomax with Home Automation (154.22 kB)