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GIC Astronomical Time Switch Astro And Mini


  • Description
  • Specifications
  • Other parts
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GIC manufactures Time Switches in both analog and digital versions that perform the function of controlling the opening and closing of electrical circuits based on a predetermined schedule. Astronomical time switches are programmed to control various loads or electronic utilities routinely according to sunrise and sunset times are also available.


  • Astronomical Time Switch in 35mm
  • Latitude/Longitude precise to the minute with time zone
  • Sunrise/Sunset or Twilight rise/set trigger modes
  • Ease of Programming & Navigation
  • DST, Offset, OFF Hours, Weekly OFF features
  • 12/24 Hour display format
  • 6 years Battery reserve
  • Easy Manual Override & Keypad Lock feature
  • Ideal for Outdoor & Street lighting applications



Supply voltage: 110 - 240V AC / DC

Supply variation: -20% to +10%

Frequency: 50/60 Hz

Power consumption: 6 VA

Programming: Based on Latitude/Longitude precise to the minute with time-zone

Trigger modes: Sunrise/Sunset or Twilight Rise/Set

Offset: 00 to 99 minutes (Programmable)

OFF hours: Programmable

Weekly off: User Defined

DST: User Defined

Number of operating Modes: 3

Description of modes

  • AUTO - As per user defined program settings
  • ON AUTO Instant ON up to next Auto Event
  • AUTO OFF - Instant OFF up to next Auto Event

Minimum switching Time: 1 min

Display: 3 Lines Text LCD

Clock accuracy: ± 2 s/day max. over the Operating Temperature range

Power reserve from factory: 6 Years



Relay output: 1 C/O

Contact rating: 16A (For 'NO') & 5A (For 'NC') @ 240 VAC / 24 VDC (Resistive), Inductive (cos ø = 0.6) :- 6 A @ 250 VAC

Electrical life: 3x10

Mechanical life: 5x10

Utilization Category 

AC - 15: Rated Voltage (Ue): 120/240 V, Rated Current (Ie): 3/1.5 A

DC - 13: Rated Voltage (Ue): 24/125/250 V, Rated Current (Ie): 2.0/0.22/0.11 A


Operating temperature: -10° C to +55° C

Storage temperature: -10° C to +60° C

Humidity (Non condensing): 95% (Rh)

LED indication: Red LED - Relay ON

Enclosure: Flame Retardant UL94-V0

Dimension (W x H x D): 36 X 90 X 65 mm

Weight (unpacked) Approx.: 110 g

Mounting: Base / DIN rail

Degree of protection: IP 20 for Terminals, IP 40 for Enclosure


Certification / Standard


  • Harmonic Current Emissions IEC 61000-3-2
  • ESD IEC 61000-4-2
  • Radiated Susceptibility IEC 61000-4-3
  • Electrical Fast Transients IEC 61000-4-4
  • Surges IEC 61000-4-5
  • Conducted Susceptibility IEC 61000-4-6
  • Voltage Dips & Interruptions (AC) IEC 61000-4-11
  • Conducted Emission CISPR 14-1
  • Radiated Emission CISPR 14-1


  • Cold Heat IEC 60068-2-1
  • Dry Heat IEC 60068-2-2
  • Vibration IEC 60068-2-6
  • Repetitive Shock IEC 60068-2-27
  • Non-Repetitive Shock IEC 60068-2-27

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