11.42 Light Dependent Relay 12A

Function and Features

Type 11.42 Light Dependent Relays, “twilight switches” for switching on lamps according to the level of ambient brightness, supplied with separate photosensitive element. Equipped with LED indicators, 2 independent outputs, separately adjustable, 2 independent sensitivity adjustments, selector with 4 positions:

  • Standard scale (set threshold 1 … 80 lx)
  • High scale (set threshold 20 … 1000 lx)
  • Fixed light (particularly interesting for the test at first installation and for plant maintenance operations)
  • Light off (useful during the holiday period)

First 6 cycles (in total between the two channels) of relay operation without delay at switching on and off, in order to facilitate the adjustment operations by the installer.

Features include:

  • 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) + 1 NO (SPST-NO)
Rated Current/ Maximum Peak Current (A) 12/24 (120 A – 5 ms)



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