SPC-22 GPS Satellite Programmable Clock

Timer control at intersections with the accuracy of GPS technology. The SPC-22 is a programmable clock equipped with four relay outputs. It serves to control electrical or electronic devices according to a predetermined schedule while leveraging the incredible accuracy of GPS satellite clocks.


Its user-friendly Windows software makes it possible to intuitively program schedules as complex as those controlling school signs, street parking signs or multiple-use-lane signs. The application is very flexible, providing quick “daily,” “weekly” and “monthly” programming modes to enter events and exceptions.

The SPC-22 provides several flashing frequencies and does not require a flashing control module. Its four inputs enable the recording of confirmations, alarms and manual bypasses.

Functional characteristics

  • Backlit LCD screen for onsite diagnostics
  • Plug-in module for quick installation and maintenance
  • Data entry and uploading/downloading via USB port (connector included) or Wi-Fi
  • Recording of alarms and backup of events (log)
  • Optional: automatic adjustment to time zones and Daylight Savings Time

Programming software

  • Based on an exception system
  • Daily program offering up to 5 periods (approximately 100 events or exceptions)
  • Unrestricted number of events
  • Unrestricted number of possible day and month combinations
  • Quick programming modes: daily, weekly and monthly
  • Overall result presented in an annual calendar indicating output statuses by date

Technical characteristics

  • Power supply: 90–135 VAC or 10–30 VDC
  • Current draw:
    • 60 mA max. (44 mA Typ) at 24 VDC
    • 105 mA max. (78 mA Typ) at 12 VDC
  • Contact: 3 A at 120 VAC/10 A at 30 VDC
  • Operating temperature range: -34 to +74°C (-30 to +165°F)
  • Dimensions: 178 x 114 x 29 mm (7″ x 4 1/2″ x 1 1/8″)


School Zones

To improve safety in school zones, Orange Traffic has designed LED variable-speed signs to signal speed limit changes during rush hour. Controlled from the SPC-22 programmable clock, the signs can be configured remotely to follow a pre-set schedule using the user-friendly software.

Signs are custom-made to meet your requirements in terms of size and features. The solution can also be used in other urban areas where the speed limit must be highlighted.

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