11.41 Light Dependent Relay 16A

Function and Features

Type 11.41 Light Dependent Relays, “twilight switches”, 1 changeover 16 A, for switching on lamps according to the level of ambient light, supplied with separate photosensitive element. European patent Zero hysteresis for energy saving Italian patent Influence compensation of controlled lights which facilitates installation and use.

Selector with 4 positions:

  • Standard scale (set threshold 1 … 80 lx)
  • High scale (set threshold 30 … 1000 lx)
  • Fixed light (particularly interesting for the test at first installation and for plant maintenance operations)
  • Light off (useful during the holiday period

Features include:

  • First 3 operating cycles of the relay without delay at switching on and off, in order to facilitate the adjustment operations by the installer
  • LED indicators
  • SELV separation between power supply circuit and contacts
  • Double insulation between power supply and photosensor
  • 35 mm rail (EN 60715) mounting
  • Cadmium-free contacts
  • Cadmium-free photosensor element (IC photo diode)


  • Garden and night lighting
  • Shop displays
  • Lighting for parks
  • Streetlights and car park lighting

Technical Data

Contact Specification
Contact Configuration 1 CO (SPDT)
Rated Current/ Maximum Peak Current (A) 16/30 (120 A – 5 ms)



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