ERCO uses cookies to help us give you the best experience when you visit. By using this website you consent to the use of cookies. Please see our Data Privacy Policy for more information on cookies.

  • ERCO
  • Stories
  • Order
  • Career

ERCO uses cookies to help us give you the best experience when you visit. By using this website you consent to the use of cookies. Please see our Data Privacy Policy for more information on cookies.

  • ERCO
  • Stories
  • Order
  • Career
Planning Light - Work
Work – light for office- and administrative buildings
Planning Light - Culter
Culture – light for museums and galleries
Planning Light - Shop
Shop – light for worlds of shopping
Planning Light - Community
Community – light for public buildings
Planning Light - Contemplation
Contemplation – light for sacral buildings
Planning Light - Contemplation
Living – light for residential spaces
Planning Light - Contemplation
Public – light for outdoor facilities, bridges and memorials
Planning Light - Contemplation
Hospitality – light for hotels and restaurants
Planning Light - Light Finder
Light Finder 2019
Planning Light - Features Search
Features search
Planning Light - Light Finder

Light Finder

Find the right LED luminaires for your architecture in only a few steps.

Planning Light - Features Search

Features search

Specify the technical requirements to find the right luminaires.

Planning Light - Light Finder

Light Finder

Find the right LED luminaires for your architecture in only a few steps.

Planning Light - Features Search

Features search

Specify the technical requirements to find the right luminaires.

Products - New products
New Products 2019
Products - Indoor
Indoor
Products - Outdoor
Outdoor
Products - All Products
All products
Products - COB
Retail lighting with COB LED
Products - ERCO Individual
ERCO individual
Products - ERCO Casambi
Wireless control of ERCO luminaires with Casambi Bluetooth
Light Finder
Light Finder 2019
Features search
Features search
Light Finder

Light Finder

Find the right LED luminaires for your architecture in only a few steps.

Features search

Features search

Specify the technical requirements to find the right luminaires.

Light Finder

Light Finder

Find the right LED luminaires for your architecture in only a few steps.

Features search

Features search

Specify the technical requirements to find the right luminaires.

Projects - Work
Work – light for office- and administrative buildings
Projects - Cultur
Culture – light for museums and galleries
Projects - Shop
Shop – light for worlds of shopping
Projects - Community
Community – light for public buildings
Projects - Community
Contemplation – light for sacral buildings
Projects - Community
Living – light for residential spaces
Projects - Community
Public – light for outdoor facilities, bridges and memorials
Projects - Community
Hospitality – light for hotels and restaurants
Projects - All Projects
Projects
Projects - Light Guide
Guide
Projects - All Projects

All projects

Let yourself be inspired by reports and photo series about exciting ERCO projects.

Projects - Light Guide

Light Guide

We have summarised our broad planning and design expertise in architectural lighting for you.

Projects - All Projects

All projects

Let yourself be inspired by reports and photo series about exciting ERCO projects.

Projects - Light Guide

Light Guide

We have summarised our broad planning and design expertise in architectural lighting for you.

Light Factory - Company
The Light Factory
Light Factory - ERCO worldwide
ERCO worldwide
Light Factory - Events
Events
Light Factory - Awards
Review of current awards
Light Factory - Purveyor to the court
Purveyor to the court of the British royal house
Light Factory - Career
Career
Light Factory - Career

Career

Find out more about vacancies and development opportunities at ERCO.

Light Factory - Career

Career

Find out more about vacancies and development opportunities at ERCO.

Contact
  • Sales
  • Press
  • Newsletter
  • Lighting Seminars
  • Spot-on
  • Sitemap
  • Legal & Company Info
  • Data protection declaration
Contact - Light Finder
Download
Contact - Light Finder

Downloads

Download our ERCO Program, planning and design data, installation instructions and much more.

Contact - Light Finder

Downloads

Download our ERCO Program, planning and design data, installation instructions and much more.

myERCO
  • Watchlist
  • Login
  • Register
ERCO individual
  • Project-specific product solutions
Order
  • Request an ERCO catalogue
  • The ERCO book 'Light Perspectives'
Service - Light Finder
Download
Service - Light Finder

Downloads

Download our ERCO Program, planning and design data, installation instructions and much more.

Service - Light Finder

Downloads

Download our ERCO Program, planning and design data, installation instructions and much more.

  • Standard for USA/Canada
    120V/60Hz, 277V/60Hz

    • english (USA/CAN)

    Global standard
    220V-240V/50Hz-60Hz

    • deutsch
    • english
    • español
    • français
    • italiano
    • svenska
    • nederlands

    Our contents are shown to you in English. Product data is displayed for a technical region using 220V-240V/50Hz-60Hz.

close
myERCO
You have collected articles in your watchlist
to the watchlist Request quotation
Do you have any questions about our products or services? You can contact your regional contact partner via:
{{fon}}
{{email}}
Find contact data to our worldwide lighting consultants here.
We would be pleased to call you back
Direct message to us
return

We would be pleased to call you back.

Data protection
return

How can we help you?

Data protection

Optical Cut-off

Analogous to the cut-off angle, the optical cut-off indicates the angle outside of which there is no glare. Whereas darklight reflectors have a screening effect, the angle here is achieved only through light guidance by means of the lens.