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Quintessence square. The system solution for excellent visual comfort

Large luminaire spacing, high uniformity and excellent visual comfort

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Special features of Quintessence square
View product description

Very high visual comfort

The low brightness 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 frames 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. Characteristic of Quintessence downlights and lens wallwashers are their good glare control and high uniformity of illumination. The 90° beam angle and a 40° shielding angle allow wide luminaire spacing for efficient general lighting.

Quintessence square in the application

Centre des Congrès Couvent des Jacobins, Rennes. Architecture: Jean Guervilly, Paris. Lighting design: TPFI, Rennes. Photography: Clément Guillaume, Paris.

Wholegreen Bakery, Sydney. Architecture: Sarah Johnson / Lifesize, Sydney. Photography: Jackie Chan, Sydney.

Villa K. architecture: skyline architekten, Wien. Photography: Gustavo Allid Bernasconi.

Offices of w40 Architekten, Wiesbaden. Interior design: w40 Architekten, Wiesbaden. Photographer: Dirk Vogel, Dortmund.

Restaurant Johann Grill in the Kempinski Hotel Berchtesgaden. Architecture: sporer plus, Stuttgart. Photographer: Alexandra Lechner, Frankfurt a.M.

Kosmos restaurant at the Humboldt Villa, Lüdenscheid. Architecture: MTT Architekten, Lüdenscheid. Interior design: Kitzig Interior Design, Bochum. Photography: Dirk Vogel, Altena.

Forsblom gallery, Helsinki. Architecture and lighting design: Gluckman Mayner Architects, New York.

Ikazia hospital, Rotterdam. Architect: EGM Architecten B.V., Dordrecht. Photography: Thomas Mayer, Neuss.

Individualize Quintessence square for your use case

With our “ERCO individual” service we offer you extensive options for the individualization of series products as well as support in the development of sophisticated special luminaires. In order to match Quintessence square 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
Mounting frame: 10,000 further colors
Control: Lutron

Do you have further requirements with the product?

Please contact the consultant team in the following ERCO office:
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Product features in detail

1 ERCO low brightness reflector

Downlight: cut-off angle 40° from horizontal
Aluminum, anodized, satin matt

Wallwasher reflector

Cut-off angle 80° from horizontal
Aluminum, anodized, satin matt

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 frame

Covered mounting detail
Fixing for ceiling thicknesses of 1-30mm
Polymer, white
For flush mounting: mounting frame to be ordered separately, fixing for ceiling thicknesses of 1/2" - 1" / 12.5–25mm

5 Housing

Cast aluminum, designed as heat sink
Fixing frame: polymer, black
Directional luminaire: 0°-20° tilt, 360° rotation. Lockable angles of tilt and rotation

6 Control gear

Switchable, trailing edge dimmable or 0-10V dimmable

Trailing edge dimmable version:

Operation at 120V: Dimming with external dimmers possible

1 ERCO low brightness reflector

Downlight: cut-off angle 40° from horizontal
Aluminum, anodized, satin matt

Wallwasher reflector

Cut-off angle 80° from horizontal
Aluminum, anodized, satin matt

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 frame

Covered mounting detail
Fixing for ceiling thicknesses of 1-30mm
Polymer, white
For flush mounting: mounting frame to be ordered separately, fixing for ceiling thicknesses of 1/2" - 1" / 12.5–25mm

5 Housing

Cast aluminum, designed as heat sink
Fixing frame: polymer, black
Directional luminaire: 0°-20° tilt, 360° rotation. Lockable angles of tilt and rotation

6 Control gear

Switchable, trailing edge dimmable or 0-10V dimmable

Trailing edge dimmable version:

Operation at 120V: Dimming with external dimmers possible

Quintessence square: Light effect and planning aid

Lighting tool

Light distribution

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 - 24.3W
198lm - 3259lm
Directional luminaires

Directional luminaires

Quintessence directional luminaires accentuate artwork, products and architectural details effectively. The ideal angle of tilt (α) for this is around 20°. The object is modelled without distorting the effect as a result of excessive shadowing. It also prevents shadows cast by the observer.

Arrangement: α = 20°

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

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

Download brochure

Product images

Download product images

Do you need further information?

I have a question about Quintessence square.

Please contact the consultant team in the following ERCO office:
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Call an ERCO consultant: {{fon}}

Your contact partners worldwide

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Configure Quintessence square

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Special features of Quintessence square

View product description

Very high visual comfort

Suitable for office workstations

Covered or flush mounting detail

1

ERCO low brightness reflector

Wallwasher reflector

2

ERCO LED module

3

Diffuser or lens

4

Mounting frame

5

Housing

6

Control gear

Trailing edge dimmable version:

1

ERCO low brightness reflector

Wallwasher reflector

2

ERCO LED module

3

Diffuser or lens

4

Mounting frame

5

Housing

6

Control gear

Trailing edge dimmable version:

Directional luminaires

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Downlights

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Lens wallwashers

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Product brochure

Product images

Do you need further information?

I have a question about Quintessence square.

I wish to request a quotation.

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