Rayonshine

Horizontal Serge Mouille Ceiling Lamp A

$490.00 USD

SKU: M-202112071440-5

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Three Arm

Ceiling Luminaire · 1958 Design

Watch: White Ceiling Light Video Demonstration

01 Overview A 1958 Silhouette, Suspended

A sculpture first — a lamp second. Three steel arms reach into the room, each ending in a quiet diffuser of light.

The Three Arm Ceiling Lamp (1958) is a suspended interpretation of the original Three Arm Floor Lamp, preserving the dynamic, sculptural aesthetic of the mid-century original. Every lighting solution in the family carries the designer's signature hardware: the way the arms meet the diffusers, the washer-and-hex-screw fittings, the quiet form of the reflector, and the refined geometry of the steel tubes. Offered in black or white lacquered finishes with warm brass ball joints, it anchors a dining room, hallway, or kitchen island with quiet presence.

02 Finishes Lacquered Aluminium Body

Finish 01

Black

Lacquered aluminium & steel

Finish 02

White

Lacquered aluminium & steel

03 Signature Details Four Hallmarks

Detail 01

Arm-to-Diffuser Joint

The pivot where each steel arm meets its conical diffuser — a signature connection that defines the lamp's reaching, organic geometry and allows the shades to sit at a precise angle.

Detail 02

Washer & Hexagonal Screw

Fully visible six-sided screw hardware paired with a washer at every junction — an honest, machined detail, borrowed directly from the industrial vocabulary of the 1958 original.

Detail 03

Reflector Form

Elongated conical reflectors deliver soft, directional light downward while showing a quietly graphic silhouette from below — functional and sculptural at once.

Detail 04

Refined Steel Tubes

Slender tubular arms with a consistent diameter — no tapering, no ornament — let the geometry of the piece do all the work. Brass ball joints anchor each connection.

04 Proportions Two Configurations

3heads L 150cm x H 50cm

6heads L 220cm x H 50cm

3heads — Standard

DimensionsL 150cm x H 50cm

ImperialL 59" x H 19.7"

Weight≈ 5 kg

Bulbs3 × E26/E27 · 18W max

CanopyØ 12 × H 21 cm

6heads — Extended

DimensionsL 220cm x H 50cm

ImperialL 86.6" x H 19.7"

Weight≈ 10 kg

Bulbs6 × E26/E27 · 18W max

CanopyØ 12 × H 21 cm

05 Materials & Craft Three Pillars

Lacquered Aluminium

The reflectors and arms are finished in durable lacquer — matte black or crisp white — giving the piece its graphic silhouette against any ceiling.

Steel Tubes

Slender, consistent-diameter steel arms carry the electrical and structural load. Refined, unornamented, and allowed to speak purely through geometry.

Brass Ball Joints

Warm brass spheres anchor each pivot point — the piece's only applied warmth against otherwise cool metal. The brass will patinate subtly over time.

06 Product Notes At a Glance

Bulbs Not Included

E26/E27 · 18W max per arm

Dimmable Ready

Use a dimmable bulb + dimmer switch

Hardwired Indoor

AC 110–240V · IP20 dry use

07 Specifications Technical Data

Dimensions	3heads: L 150cm x H 50cm / L 59" x H 19.7" 6heads: L 220cm x H 50cm / L 86.6" x H 19.7" Ceiling canopy: Ø 12 × H 21 cm / Ø 4.7″ × H 8.3″
Weight	3heads ≈ 5 kg · 6heads ≈ 10 kg
Packing size	3heads: L 130 × W 36 × H 23 cm
Materials	Lacquered aluminium, steel, brass ball joints
Finishes	Black · White (body & shade match)
Socket	E26 or E27 · 18W max per bulb
Bulbs	Not included · 3 bulbs (3heads) or 6 bulbs (6heads)
Dimmable	Yes — with dimmable bulb and compatible dimmer switch
Switch	Works with standard household switches and dimmers
Voltage	AC 110–240V, full-range
Wiring	Hardwired (ceiling mount)
IP rating	IP20 — indoor use only, not waterproof
Environment	Indoor
Certifications	North America Europe Australia Middle East

Indoor use only. IP20-rated for dry interior environments — not suitable for bathrooms, wet rooms, or outdoor installations. Always respect the 18W-per-arm maximum bulb rating.

08 Installation Setup Notes

Hardwired ceiling installation — a licensed electrician is recommended for safe mounting, wiring, and canopy attachment.
Fits a standard ceiling junction box. All mounting hardware and the canopy plate (Ø 12 × H 21 cm) are included in the box.
Install 3 bulbs (3heads version) or 6 bulbs (6heads version), E26 or E27 base, 18W maximum per arm. Warm white (2700K–3000K) is recommended for the most flattering light.
For dimming, pair a dimmable LED bulb with a compatible TRIAC dimmer switch. The lamp itself supports full-range AC 110–240V worldwide.
Check bulb orientation before powering on — the conical reflectors direct light downward, so use standard (not reverse-base) bulbs for the best effect.

09 Questions Frequently Asked

Are bulbs included?

No. The lamp takes standard E26 or E27 screw-base bulbs — 3 bulbs for the 3heads version and 6 bulbs for the 6heads version. Each arm is rated for 18W maximum. We recommend warm white (2700K–3000K) dimmable LED bulbs at 5–10W for the most flattering glow and lowest heat output.

Is the lamp dimmable?

Yes. The lamp works with standard household switches and is compatible with dimmers. To dim the light, install dimmable LED bulbs and pair them with a TRIAC-compatible dimmer switch (e.g. Lutron Skylark, Leviton Decora). The lamp itself does not have a built-in dimmer.

What's the difference between the 3heads and 6heads versions?

Only the length and light output differ — the structural design, finish, and signature hardware are identical. The 3heads is L 150cm (~5 kg) — suited to most dining tables, kitchen islands, and hallways. The 6heads is L 220cm (~10 kg) — designed for larger tables, double-length islands, and more dramatic interior statements. The 6heads version needs more ceiling clearance and a stronger junction box.

Can I use Three Arm on both 110V and 220V circuits?

Yes. The lamp supports full-range AC 110–240V and is certified for North America, Europe, Australia, and the Middle East — no additional transformer required. Just pair it with bulbs rated for your local voltage.

Can I install it in a bathroom or covered outdoor area?

No. Three Arm is IP20-rated for dry indoor use only — not suitable for bathrooms, wet rooms, saunas, covered porches, or any outdoor installation. Keep the lamp away from moisture, steam, and direct heat sources.

Will the brass ball joints tarnish over time?

The brass joints develop a subtle, natural patina with time — a gentle deepening of tone that many owners prefer as part of the piece's character. To slow patination, wipe the joints gently with a dry soft cloth; to maintain the original bright finish, a non-abrasive brass polish can be used sparingly. Never use household cleaners on the lacquered arms and diffusers.

Do I need a professional electrician to install this?

Yes, we strongly recommend a licensed electrician. The lamp is hardwired, needs a secure ceiling junction box rated for its weight (especially the 10 kg 6heads version), and must be properly grounded. A professional will also ensure correct dimmer compatibility if you plan to use one.

How do I clean the lamp?

With the power off, gently dust the arms, diffusers, and canopy with a soft dry microfiber cloth. For the lacquered surfaces, avoid household cleaners, solvents, and abrasives — they can damage the finish. For the brass joints, a dry soft cloth is sufficient; a mild brass polish can be applied sparingly if a brighter finish is desired.

10 Downloads Spec · Install

↓ Data Sheet ↓ Assembly Instructions

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1958 Heritage Design

◉

Brass Ball Joints

✦

Global Certification

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Dimmable Ready

Rayonshine — Serge Mouille

The arm,
the line,
the light.

Hand-formed steel arms and directional shades — a mid-century silhouette that draws light like a line in the air.

Explore →

The idea

Light, drawn rather than hung.

Not just illuminating a room, but sculpting it. Every single angle is a masterpiece.

02Principles

4 Reasons You'll Love This Light

Directional light

Each shade pivots to aim a soft, focused pool of light exactly where it is needed — task, accent, or wash.

Articulated & adjustable

Jointed arms rotate and reposition, so a single fixture adapts to many rooms, walls, and moods.

Sculptural silhouette

Slender black arms and organic shades read as a piece of art, even when the light is off.

Made to last

Hand-welded joints, balanced counterweights, and a matte finish built for decades of daily use.

03The articulated system

One fixture, three directions

↓ 00°DownA pool of light on a table, desk, or reading chair.

↑ 180°UpA soft wash across the ceiling for ambient glow.

→ 90°OutwardA grazing beam that brings texture to a wall or art.

04The craft of steel

Mastered balance. Steel meets skill.

01 · Shaping the arm

02 · Welding the joint

03 · Forming the shade

04 · Matte-black finish

05 · Balancing and wiring

01
Steel Rod Forming
Solid steel rod is measured, cut, and bent into the long, tapering arms that define the silhouette.
02
Joints & Welding
Pivots and counterweights are welded in place, giving each arm a smooth, deliberate range of motion.
03
Shaping the Shade
The organic diffuser is spun and trued so light gathers and throws in one clean direction.
04
Matte-Black Finish
Frame and shade exterior are finished in deep matte black; the inner shade stays pale to warm the glow.
05
Balanced & Assembled
Each piece is assembled, wired, and hand-balanced so every joint holds its pose without drifting.

05Anatomy & specification

Craft & Control.

Structure	Lacquered aluminium & steel, brass ball joints
Shade	Elongated conical reflector (directional downlight)
Finish	Matte black lacquer · visible washer & hex-screw hardware
Light source	E26 / E27 · 18W max per head · bulb not included
Color temp.	2700–3000K recommended (by bulb)
Adjustability	Rotating arms + independently rotating shades
Mounting	Ceiling / wall / floor (by form)
Rating	Dry-rated, indoor · made in China

Series-typical figures; exact values vary by size and head count.

06Signature details

It's all in the details

FILM

01Arm-to-diffuser jointThe pivot where each steel arm meets its conical diffuser — the signature connection that sets each shade at a precise angle.

02Washer & hex screwA visible six-sided screw and washer at every junction — honest, machined hardware.

03Reflector formElongated conical reflectors cast soft, directional downlight and a graphic silhouette from below.

04Refined steel tubesSlender arms of constant diameter — no taper, no ornament — anchored by brass ball joints.

07In situ

Define your corner

01 / Living

Over the reading chair

A single arm reaches across the sofa, dropping a warm pool exactly where a book is held.

Aimed light for late-night reading
Warm, focused glow without overhead glare
Arm folds flush against the wall when idle

02 / Dining

Above the table

The ceiling form spreads several shades outward, lighting a whole table without a bulky fixture.

Even coverage across a full table setting
Low profile keeps sightlines open
Each arm angles independently to the seating

03 / Bedside

Beside the bed

The ceiling lamp arcs low over the bed, its arm angled down — light exactly where it's needed, nightstand left clear.

Directional beam for reading in bed
Frees the nightstand from a lamp base
Arm folds back flush against the ceiling by day

08Compare the forms

Feature	Horizontal Serge Mouille Ceiling Lamp A	Leaning Serge Mouille Ceiling Lamp B	Serge Mouille Wall Sconce	Serge Mouille Floor Lamp
Mount	Ceiling	Ceiling	Wall	Floor
Arms / heads	3	5	1–2	1 or 3
Size (L×H)	L150 × H65 cm	L190 × H70 cm	arm 60–120 cm	Ø45×H160 · Ø145×H218 cm
Best for	Dining / hall	Open room	Bedside / hall	Reading · statement
Adjustable	Yes	Yes	Yes · 90°	Yes

Sizes are nominal; bulbs (E26/E27, 18W max) not included · made in China.

“Light, drawn like a line in the air.”

Shape the room
with steel and light.

Shop the Series →

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