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Quintessence round. The system solution for excellent visual comfort

Large luminaire spacing, high uniformity and excellent visual comfort

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Special features of Quintessence round
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Very high visual comfort

The darklight reflector combines maximum visual comfort with an optimum light output ratio.

Suitable for office workstations

ERCO develops luminaires with the specifications of good glare control and high visual comfort. UGR values are used as support for purely norm-referenced lighting. With downlights though this should not be carried out using 'blanket' values, but should be implemented according to the individual arrangement of luminaires in the room.

Covered or flush mounting detail

As standard, all recessed luminaires have overlapping installation details. Flush mounting rings are available as accessories.

Quintessence sets standards in terms of visual comfort, efficiency and quality of light for recessed luminaires. The product range consists of downlights, lens wallwashers and directional spotlights. Characteristics of Quintessence downlights and lens wallwashers are their good glare control and high uniformity of illumination. The 90° beam angle and a 40° cut-off allow wide luminaire spacing for efficient general lighting.

Quintessence round in the application

Millenia Tower, Singapore. Architecture: Kevin Roche. Lighting design: Nipek, Singapur; Million Lighting, Singapore. Photography: Kawana Masano.

The Shrine of our Lady Rosary of NamYang, South Korea. Architect: Mario Botta, Mendrisio. Lighting design: bitzro & partners, Seoul. Photography: Efrain Mendez Tabares, Spain

Künstlerhaus Wien Albertina Modern. Architecture: NHM architects, Vienna. Lighting design: Alles oder Licht, Vienna. Electrical engineering: Ing. Sumetzberger GmbH, Vienna. Photography: Gustavo Allid Bernasconi, Vienna

Hemerycksalen at the Louis de Geer Concert and Congress Centre, Norrköping. Lighting design: Ramboll. Installation: Bravida. Photography: Johan Elm, Stockholm.

Forum Groningen, Groningen. Architecture: NL Architects, Amsterdam. Photography: Roos Aldershoff, Amsterdam.

Central Tower Lobby, Guangzhou. Lighting design: Isometrix Lighting Design. Photography: Jackie Chan, Sydney.

China Design Museum, Hangzhou. Architecture: Álvaro Siza, Porto. Photography: Jackie Chan, Sydney.

Valdemarsvik Sparbanken, Valdemarsvik. Architecture: White Arkitekter AB, Gothenburg. Lighting design: Tindra design AB, Linköping; LH ingenjörsbyrå AB, Vimmerby; Elkonstruktioner i Östergötland AB, Linköping. Electrical installation: Lundgrens elinstallationer AB, Norrköping. Photography: Johan Elm, Stockholm.

University of Ulster, Belfast. Architecture: Todd Architects, Belfast. Lighting design: Delap and Waller, Antrim. Photography: Gavriil Papadiotis, London.

Private apartment, Düsseldorf. Architecture: Triade Architects, Düsseldorf. Photography: Thomas Mayer, Neuss.

Individualise Quintessence round for your use case

With our “ERCO individual” service we offer you extensive options for the individualisation of series products as well as support in the development of sophisticated special luminaires. In order to match Quintessence round even more efficiently to your project requirements, further variants are available on request in addition to the series configuration. These include, for example:

Reflector: coated matt gold, matt silver or matt champagne
Connection: 3- or 5-pole plug with connection cable (Wago or Wieland)
Mounting ring: 10,000 further colours
Ceiling channel system

Do you have further requirements with the product?

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Product features in detail

1 ERCO darklight reflector

Downlight: cut-off angle 40°
Polymer, aluminium vaporised, mirror-finish

Wallwasher reflector

Cut-off angle 80°
Polymer, aluminium vaporised, mirror-finish

2 ERCO LED-module

High-power LEDs: warm white (2700K or 3000K) or neutral white (3500K or 4000K)
Directional luminaire with collimating lens made of optical polymer

3 Diffuser or lens

Made of optical polymer
Diffuser lens, wide flood, extra wide flood or lens system, wallwash
Directional luminaire with Spherolit lens narrow spot, spot or flood

4 Mounting ring

Covered mounting detail
Fixing for ceiling thicknesses of 1-25mm (size 3-4) or 1-30mm (size 5-7)
Polymer, white
For flush mounting: mounting ring to be ordered separately, fixing for ceiling thicknesses of 12.5–25mm

5 Housing

Cast aluminium, designed as heat sink
Rotatable through 360°
Fixing ring: polymer, black
Fixing of the beam direction
Directional luminaire: 0°-30° tilt. Lockable angles of tilt and rotation

6 Control gear

Switchable, phase dimmable, DALI dimmable or Casambi Bluetooth
Phase dimmable version: Dimming with external dimmers possible (trailing edge)

1 ERCO darklight reflector

Downlight: cut-off angle 40°
Polymer, aluminium vaporised, mirror-finish

Wallwasher reflector

Cut-off angle 80°
Polymer, aluminium vaporised, mirror-finish

2 ERCO LED-module

High-power LEDs: warm white (2700K or 3000K) or neutral white (3500K or 4000K)
Directional luminaire with collimating lens made of optical polymer

3 Diffuser or lens

Made of optical polymer
Diffuser lens, wide flood, extra wide flood or lens system, wallwash
Directional luminaire with Spherolit lens narrow spot, spot or flood

4 Mounting ring

Covered mounting detail
Fixing for ceiling thicknesses of 1-25mm (size 3-4) or 1-30mm (size 5-7)
Polymer, white
For flush mounting: mounting ring to be ordered separately, fixing for ceiling thicknesses of 12.5–25mm

5 Housing

Cast aluminium, designed as heat sink
Rotatable through 360°
Fixing ring: polymer, black
Fixing of the beam direction
Directional luminaire: 0°-30° tilt. Lockable angles of tilt and rotation

6 Control gear

Switchable, phase dimmable, DALI dimmable or Casambi Bluetooth
Phase dimmable version: Dimming with external dimmers possible (trailing edge)

Quintessence round: Light effect and planning aid

Lighting tool

Light distribution

Ambient lighting produced by wide beam light distribution.

Lighting technology
Luminaire arrangement

Downlights

Wide beam, rotationally symmetrical light distribution for general lighting.

Light source
12.1W - 32.4W
1187lm - 4346lm
Downlights

Downlights

For uniform ambient lighting with high visual comfort, the spacing (d) between two Quintessence downlights may be up to approximately 1.5 times the height (h) of the luminaire above the working plane.

Arrangement: d ≤ 1.5 x h

The wall offset should be half the luminaire spacing.

Arrangement: a = d / 2

Emphasis of objects or architectural elements.

Lighting technology
Luminaire arrangement

Richtstrahler

Very narrow to wide beam, rotationally symmetrical light distribution for accent lighting.

Light source
2W - 24.3W
198lm - 3259lm
Richtstrahler

Richtstrahler

Quintessence directional luminaires accentuate artwork, products and architectural details effectively. The ideal angle of tilt (α) for this is around 30°. The object is modelled without distorting the effect as a result of excessive shadowing. It also prevents shadows cast by the observer.

Arrangement: α = 30°

Vertical illuminance for brightening and dividing the space.

Lighting technology
Luminaire arrangement

Lens wallwashers

Asymmetrical light distribution for highly uniform wallwashing.

Light source
8.1W - 32.4W
791lm - 4346lm
Lens wallwashers

Lens wallwashers

For uniform vertical illuminance, the distance (a) of Quintessence lens wallwashers from the wall should be around one third of the room height (h).

Arrangement: a = 1/3 x h

For good longitudinal uniformity, the spacing (d) of Quintessence lens wallwashers may be up to 1.3 times the offset from the wall (a).

Arrangement: d ≤ 1.3 x a

The optimal wall offset and luminaire spacing for each product are indicated in the wallwasher tables in the catalogue and the product data sheets.

Downloads

Product brochure

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Product images

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I have a question about Quintessence round.

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