Set 45


Perfect for synchronising switch on times of indoor and outdoor lighting


The Astro Time Switch can automatically adjust itself for Daylight Saving Time (BST/GMT) and leap year adjustments with up to 10 years of battery backup


The Astro Time Switch incorporates the latest microcontroller technology and is designed to have a high level of immunity.

The perfect time switch for the control and synchronising of display, amenity, security, sign, indoor lighting and outdoor lighting.

Features & Benefits

  • Can be used where it is difficult to install a photocell control.
  • Applications in internal lighting.
  • 7-day programmability incorporating Dusk & Dawn Astronomical tracking set points with traditional time-based events.
  • Channel 1 has solar based and 8 time-based switch points – Channel 2 has 12 time-based switch points.
  • Automatic leap year adjustment.
  • Local and remote load switch override feature.
  • Up to 10 year battery backup.
  • Universal power supply 85 to 265 VAC 50/60 Hz.
  • Outputs are protected by 132 Joule M.
  • Relay Assisted Triac (RAT) switch – reliable switching of reactive loads such as street lighting.
  • Capable of switching reactive loads up to 10 A on each channel.
  • Mountable on a 35mm symmetric DIN Rail for ease of installation.
  • Latitude and Longitude of location can be programmed by the user.
  • Security code program protection and tamper proof cover.
  • Illuminated keypad and backlit LCD display.


EMC – Meets the essential requirements of Directive 2004/108/EC for Electromagnetic Compatibility

LVD – Meets the requirements of the Low Voltage Directive 2006/95/ EC

Technical Specifications

Dimensions90mm x 70 mm x 73mm HxWxD (4 modules wide as per DIN 43880)
MountingSymmetric 35 mm DIN Rail
Warranty3 years standard
Mains Supply85 volts to 350 volts AC - 50/60 Hz
Output2 channels - Relay Assisted Triac (RAT) 10 amp rated supply connected (20 amp Device Max)
Connections4mm² max conductor size (12 AWG)
Standards Compliance & CertificationsMeets the essential requirements of Directive 2004/108/EC forElectromagnetic Compatibility

Meets the requirements of the Low Voltage Directive 2006/95/EC
Operating Temperature-10° C to 45° C
14° F to 131° F
Enclosure ProtectionIP20 , Flame Retardant Plastic with transparent protective cover
Battery Backup10 years @ 20° C - Internal lithium battery
Manual OverideManual overide button (MAN key)
Momentary dry contact teminals
(Normally Open)
Time Accuracy± 1 second per day @20˚C
Product TypeElectronic 1.Y.T., Software Class A. Not suitable for controlling loads where
secure disconnection during conditions of mains abnormality is essential to safety.