Alpha AR High Performance Auxiliary Relays


The Alpha AR Series represents a new generation of electro-mechanical tripping relays for power utility protection and control applications. The AR is built on the Alpha relay platform and provides high performance and reliability while reducing production and supply lead times. Application of the AR auxiliary relays ensures reliable multi-contact operation combined with a high visibility mechanical flag.

Five (5) contact version:                    AR5

Twelve (12) contact version:            AR12

2x Five (5) contact version:              AR25


  • Rugged modular construction
  • High reliability double action contacts for high operate speed and low bounce
  • 5 or 12 heavy duty contact versions available in a wide range of Make and Break combinations
  • Two element version with 5 contacts per element available in a size 2 case
  • Self-reset, hand reset and hand/electrical reset versions
  • Electrical reset interlock
  • High visibility electromechanical flag indication
  • Rated operate voltages available for 30/32, 48, 110, 125, 220, 240, 250 Volts DC or 110, 240V AC nominal auxiliary supplies
  • Rack or flush mounting
  • Compact size 2 draw out case
  • M4 screw terminals
  • Optional gold plated contacts suitable for low currents
  • Optional custom labeling
  • Optional relay operate LED
  • Optional Trip counter
  • Optional electrical reset isolation switch
  • Simple to specify and order




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