Image source: Flos — Kelvin LED Base
© Flos and the respective rights holders. Quoted to accompany INTEBEE's independent design commentary and research.
Kelvin LED Base
Flos's original Kelvin LED angle-poise table lamp with optical dimming and energy-saving Green Mode.
165 × 480 × 581 mm
2009
Official product information
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Description
Overview
Kelvin LED Base is a table lamp from Flos's Kelvin LED line: emitting direct light, with a double pantograph arm and an adjustable head. Flos credits the design to Antonio Citterio with assistant Toan Nguyen, 2009, and offers it in White and Black.
Construction
Flos describes a fused aluminium alloy body with a die-cast aluminium outer head and an injection-moulded methacrylate diffuser. The arm is an extruded aluminium alloy square tube (12×12 mm), CNC machined to house a stainless-steel load-compensation spring and injection-moulded acetal resin sliding blocks, with 3 mm steel wire outer tie rods and an ABS base cover.
Specifications
- Light source: integrated LED module, 8 W, 523 lm, 3000 K, CRI > 90
- Control: electronic ON/OFF switch with an optical sensor on the head to dim the light; optional Green Mode for automatic brightness adjustment
- Electrical: 100-240 V, 50/60 Hz, insulation class III, remote driver included, IP20, indoor dry location
- Dimensions: width 165 mm, length 581 mm, height 480 mm; weight 4 kg; clear cord 1800 mm
- Energy class: F
Story
Spring inside the arm
The Flos description lists a double pantograph arm and an extruded aluminium alloy square tube of 12×12 mm that is CNC machined to house a stainless-steel load-compensation spring, together with acetal resin sliding blocks and 3 mm steel wire outer tie rods. The head carries an electronic ON/OFF switch with an optical sensor that dims the light.
Green Mode
An optional Green Mode enables automatic brightness adjustment for energy efficiency, according to Flos. The professional sheet lists the lamp as energy class F, with a service-replaceable LED source and an end-user-replaceable control gear.
More by Antonio Citterio
Hera Chair
Antonio Citterio's 2018 armless dining chair with a polymer shell and metal or wood feet
Repos Ottoman
The matching Repos footrest with a removable cover and four-star base
ID Air
Antonio Citterio's ID Air: an office chair with a one-piece perforated plastic backrest
ID Mesh
Antonio Citterio's ID Mesh: a spacer-fabric net backrest on a slim two-part frame
Collection
Kelvin LED
The Kelvin LED family by Antonio Citterio with Toan Nguyen (2009) for Flos: the Base is the original lamp; Kelvin won the Red Dot Product Design award in 2025.