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Genuine Stamford Design
12 month warranty
Analog voltage regulator
Self Excited
CE Compliant
Worldwide stock
Tag Model

The COSIMAT N+ is an analogue, 3-phase sensing, auxiliary winding powered automatic voltage regulator (AVR) for improved motor starting performance and sustained short circuit current.

The COSIMAT N+ is provided as an option for alternators in the STAMFORD® | AvK® portfolio. To ensure your COSIMAT N+ is genuine, purchase it from an authorised STAMFORD® | AvK® dealer.


AVR Flyer

Why buy genuine?

Genuine AVR - the beating heart of your alternator

  • Minimise risk of play and equipment failure
  • Maximise power supply security
  • Matched performance capability to ensure alternator stability
  • Tested to react in emergencies, triggering support protection systems
  • Peace of mind

     Download the STAMFORD | AvK AVR Information