12Vdc Light / Dark Activated Relay Module 12Vdc Light / Dark Activated Relay Module
12Vdc light or darkness activated detector module. Adjustable sensitivity. Mains rated relay output activates when light level reaches desired threshold... Electronics > Circuit Boards & Components > Printed Circuit Boards > Development Boards I-42N I-42N I-42N 15.01 Quasar Electronics Limited
Quasar Electronics Limited
Your Cart
Your Cart: Empty

12Vdc Light / Dark Activated Relay Module

12Vdc Light / Dark Activated Relay Module
View Document PDF
(opens in a new tab)
Cebek I-42N (CI042N) - 12Vdc Light / Dark Activated Relay Module
Pre-Assembled Module
View all Cebek Electronic Modules

12Vdc light or dark activated detector module with adjustable sensitivity and mains rated relay output.

The relay is activated when the light level falling on the detector board reaches the desired threshold. The relay is deactivated when the light level increases again.

  • Dark Mode: Automatically turn on electric lights or security devices, etc. when light falls below preset level
  • Light Mode: Automatically turn on electrical devices when ambient light level rises above preset level

N.B. This board is best suited to applications where the change in light level is large and the transition quick e.g. to activate a music box when the lid is opened. It is not recommended for dusk/dawn transitions due to potential for relay chatter at the cusp of changeover (see our 3079B board instead).

  • Light - Dark mode selection switch
  • Detector is mounted on a separate board
  • User adjustable sensitivity
  • LED "active" indicator
  • Reverse polarity protection
  • Screw terminal blocks for all connections
Minimum detection level25 Lux
Maximum detection level130 Lux
Supply Voltage12V dc
Power Supply OptionsPower Supply Module: CFE103 or
UK Plug Power Supply: 660.446UK with connector 777.001UK
Current Consumption (Max)~ 60mA
Standby current5mA
Output1 x SPDT Relay
Maximum Output
Load (Resistive)
Up to 240Vac or 28Vdc @ 7 Amps max. (Relay Datasheet)
Relay ConnectionsNO, NC, C (Relay FAQ)
Dimensions (WxDxH)Main board: 72 x 42 x 20mm
Detector Board: 13 x 25 x 8mm
DIN-RAIL MountC7562
Board ConnectionsScrew terminal blocks
Product FormatPRE-ASSEMBLED Electronic Module
Product Format Info
Item Number:
Cebek I-42N (CI042N)
Total Price:
£12.51 Exc VAT, £15.01 Inc VAT
Stock Info:
In Stock (Our UK Warehouse)
Your Total:

Related Products

Cebek I-104 (CI104) - 230Vac Light Detector Relay Module
£15.55 Exc VAT, £18.66 Inc VAT
In Stock (Our UK Warehouse)
Cebek I-142 (CI142) - 230Vac Darkness Activated Relay Module
£17.84 Exc VAT, £21.41 Inc VAT
In Stock (Our UK Warehouse)
Cookie Info

The cookie settings on this website are set to 'allow all cookies' to give you the very best experience.

If you continue without changing these settings, you consent to this. If you want, you can change your settings at any time by visiting our cookies page.

More About Cookies

Main Menu
Banner Adverts
Christmas Shop 2023
© 2023 Quasar Electronics Limited, all rights reserved worldwide. E & OE.
Exec Time: 0.047792 Seconds Memory Usage: 4.76133 Megabytes