980 Quaker Hwy. Uxbridge, MA 01569

Control Equipment

Uninterruptible Power Systems (UPS)



Clary’s SP Series are the world’s most advanced Uninterruptible Power Systems (UPS), designed specifically for electronics equipment in IT, Traffic and Security applications. Industry proven, each product in the SP Series delivers on-line double-conversion protection 100% of the time for reliable, continuous, and error-free operation regardless of utility power quality.



Listed by many states as the preferred UPS system for traffic intersection back-up, Clary products are the only products engineered to meet NEMA standards for traffic back-up systems with an operational temperature range of -40°C to +74°C. Clary SP Series are also designed to mount in existing traffic cabinets or in adjacent stand-alone cabinets. Optional NEMA 3R Type II and Type III cabinets are available.


For more information or to receive a quotation please call Marlin Controls, Inc. at 508-278-0446.


  • Compatible with most traffic cabinets
  • Works with intersections that have red LEDs by utilizing flash mode
  • Provides full operation in intersections with all LEDs in all positions
  • Power event counter records number of power utility failures
  • Small size fits most cabinets
  • Non-invasive to cabinet wiring (only utility line is rerouted)
  • Auxiliary contacts allow full operation for short power interruptions and flash operation for longer interruptions or low battery
  • Police panel compatibility allows complete shutdown during emergencies
  • All internal calibrations are digital; no potentiometers to set or fail
  • Intelligent software interface for monitoring and configuration
  • Optional Web-based network interface allows monitoring with common web browsers
  • Economically priced


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Marlin Controls, Inc., founded in 1978, is a multi-faceted corporation specializing in Intelligent Transportation Systems (ITS) . Based in Uxbridge, MA we have served all of New England, New York State and Northern New Jersey for almost 40 years.