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Quintessence round. The system solution for excellent visual comfort

Large luminaire spacing, high uniformity and excellent visual comfort

Special features of Quintessence round
View product description

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.

Tunable white technology

Just as the colour temperature outdoors changes continuously during the day, the colour temperature of indirect lighting can be adjusted indoors to e.g. support lighting concepts for Human Centric Lighting.

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 high-efficiency product family consists of downlights, lens wallwashers and directional spotlights in round and square designs. Characteristic of Quintessence downlights and lens wallwashers is their good glare control and high uniformity of illumination. The 90° beam angle and a 40° cut-off allow wide luminaire spacing between downlights and therefore high-quality, efficient ambient lighting. Tunable white technology also enables the colour temperature of the light to be modified. Human Centric Lighting concepts are thus supported, matched to the incident daylight.

Quintessence round in the application

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

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

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

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

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.

Philharmonic Orchestra, Stettin. Architecture: Estudio Barozzi Veiga, Barcelona. Photographer: Dirk Vogel, Dortmund.

University of Neubrandenburg, Building 4, Neubrandenburg / Germany. Architecture: A&S GmbH Neubrandenburg. Lighting design: NEIB - Neubrandenburger Elektro-Ingenieur-Büro GmbH. Installation: EIM GmbH Elektro-Installation-Montage, Greifswald. Photography: Frieder Blickle, Hamburg.

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

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

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

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)
Chip-on-board LED: tunable white (2700-6500K)
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)
Chip-on-board LED: tunable white (2700-6500K)
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
12W - 32W
1190lm - 4400lm
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

Vertical illuminance for brightening and dividing the space.

Lighting technology
Luminaire arrangement

Lens wallwashers

Asymmetrical light distribution for highly uniform wallwashing.

Light source
8W - 32W
790lm - 4400lm
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.

Emphasis of objects or architectural elements.

Lighting technology
Luminaire arrangement

Directional luminaires

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

Light source
2W - 24W
200lm - 3300lm
Directional luminaires

Directional luminaires

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°

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Product images

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