MS1221 Series Dual Relay Series


The MS1221 LightSpot Dual Circuit Series offers high-performance, programmable presence detection for lighting control in offices, open-plan workstations and washrooms

The MS1221 has two outputs, one influenced by the photocell (R1), the other not (R2). This is useful in applications where a fan or water is being controlled in addition to any lighting.



Technical Data


  • Operating Voltage: 230v 50Hz
  • Range: 6mt Diameter at a 2.4mt mounting height with a 360 deg Cone-shaped detection pattern
  • Maximum Recommended Mounting Height: 3.0m
  • Off Delay: 1 minute – 96 hours
  • Photocell: Adjustable 50-5000 lux
  • Max Load: 6 Amps
  • Recommended Circuit Protection: 10 Amps
  • Duel Circuit: 1xVolt Free, 1xSwitched Live
  • Off Delay: Independently Adjustable
  • Pre-Programmed: Yes
  • Colour: White
  • IP Rating: 3X
  • Material: Flame Retardant PC/ABS
  • Operating Temperature: 0oC to 40oC


Programming Tools And Controllers