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Lithoss Select switch — architectural push-button, handcrafted in Belgium
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Switch collection · Flagship

Select.
The Lithoss
flagship switch.

Handcrafted in Belgium. 18 standard finishes.
Available in Select, Opera Select, and Circum Select.

24V mechanical KNX on board Casambi battery Casambi mains UL listed · E538637
Select — Bronze Antique, handcrafted in Belgium
The original

Select. The switch Lithoss began with.

Select is where it began. The square frame Bart Spillemaeckers designed first, still made in the same workshop in Pittem, still finished by hand. Opera Select and Circum Select extend the collection to additional frame formats. Through Florian Designs, the original Select square frame is now available in the US for the first time.

Select The original frame · US double-gang box · Mudring adapter
Opera Select Rectangle · US single-gang box · Direct mount
Circum Select Round · European box · FD can source for US projects
Available frames

Three frames. One collection.

Select, Opera Select, and Circum Select share the same finish library, technology variants, and engraving options.
The frame is the only variable.

Lithoss Select — original square frame
Select

The founding form. The square frame Bart Spillemaeckers designed at the turn of the century. Mounts on a US double-gang electrical box with a Lithoss mudring adapter.

Designed 2001 · Pittem, Belgium UL E538637 · LED variants · 24V
Lithoss Opera Select — rectangular frame
Opera Select

The rectangular frame for US and international single-gang electrical boxes. Direct mount. No adapter required.

UL E538637 · LED variants · 24V
Lithoss Circum Select — round frame
Circum Select

The round frame. Requires a European-standard electrical box. FD can source compatible boxes for US projects. Not on UL cert E538637. Uses identical internal components to listed versions. Confirm with AHJ before specifying.

Confirm with AHJ before specifying
Gallery

Select in every finish and format.

Opera, Square, and engraved variants across the finish library

Select Opera 1T Stainless
Select Opera 1T Gunpowder
Select Opera 4T Brushed Brass
Select Opera Matt Black and Brushed Brass
Chrome finish detail
Select Opera 4T Stainless
Select Opera 4T Gunpowder
Select Opera Bronze Antique
Lithoss engraving — room labels
Lithoss engraving — pictograms
Select Opera 11-button Stainless
Textured Black finish detail
Select Square — US double-gang installation
Select product detail
Select — plate edge detail
Select LED indicator
Select LED indicator — white
Select — back-lit LED engraving
Finishes

18 standard finishes. Every finish made to order.

Select any finish to preview it on the switch. All finishes are made to order in Pittem, Belgium. Request a sample card to review in the actual space before specifying.

Finishes 56 Peach, 57 Mint, and 99 Custom RAL are outside UL cert E538637. All other standard finishes are within scope.

Select a finish to preview it on the switch

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Technology · Three integration paths

One switch. Three ways to integrate.

Select, Opera Select, and Circum Select share the same finish library, technology variants, and engraving options.
The technology inside is the only variable.
Choose the path that matches the control system on the project.

24V dry contact

Works with the system you're installing.

Momentary dry contact. No hardware at the wallbox. Two wires per button into the rack module. Wire it, map it, programme the scene. With or without LED feedback in white or amber.

Crestron · Control4 · Lutron HomeWorks · Savant · Vantage · RTI
UL E538637·Select & Opera Select·24V
Best for
Any US project with an existing control system. The default specification path.
KNX on board

Chip-on-board. No external module.

KNX chip integrated directly onto the PCB. RGB LED feedback. Optional temperature sensor. ETS-programmable from the standard toolchain. One device per location. No module to source or wire separately.

29V SELV · NEC Class 2 · ETS native
Best for
Projects specifying an open, addressable bus protocol. Growing in US luxury specification.
Casambi wireless

Bluetooth mesh. No bus wiring between keypads.

No gateway for local operation. No low-voltage wire between keypads. Battery variant requires NEC 210.70 review for code-required locations.

Mains variant operates continuously and functions as a mesh repeater.

Casambi Mains: no UL certificate held. Confirm compliance with FD before specifying.
Best for
Wireless-first projects, retrofit, and hospitality with Casambi-compatible fixtures.
For designers The finish, frame, and engraving are identical across all three paths. Specify the finish once. The technology variant follows the control system on the project.
US installation

Wallbox compatibility.

Select · The original
US double-gang · Mudring required
The original square frame. Mounts on a US double-gang box with a Lithoss mudring adapter. 6-32 screws · 83.3mm centers · 45mm minimum depth.
Opera Select
US single-gang · Direct mount
Mounts directly on a standard US single-gang box. No adapter required. 6-32 screws · 83.3mm centers · 45mm minimum depth.
Circum Select
European box required
Requires a European-standard electrical box. FD can source compatible boxes for US projects. Contact us at the specification stage.
Engraving

Etched into the material.
Not printed on it.

Engraving offers a refined way to personalize buttons and cover plates with text or symbols that become part of the material itself. As each surface is etched, the underlying tone is revealed, creating a subtle contrast that adds a crafted and enduring detail to any interior.

Engraving adds approximately one week to production. Orders may be placed with engraving specifications to follow — production begins on the mechanical and finish work immediately.

Explore engraving guide →
Lithoss engraved switch buttons — room labels and pictograms
Mechanical
Cut directly into the finished surface. Clean, architectural, tactile.
Resin-filled
Engraved and filled with contrasting resin for maximum legibility. Standard for room labels.
Back-lit
LED illuminated from behind. Visible in low-light — suited to hospitality and bedroom applications.

Available to trade professionals.

One application. One set of terms. Trade pricing from day one.