Alpha Series: Trip, Auxiliary and Supervision


Alpha Series: Trip, Auxiliary and Supervision

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

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Alpha Series: Trip, Auxiliary and Supervision

Alpha AR High Performance Auxiliary Relays

  • 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
Alpha Series: Trip, Auxiliary and Supervision

Alpha TR High Speed Tripping Relay

  • <8ms operate time
  • User selectable low or high burden operation
  • Complies with ESI 48-4 for high burden operation meeting the requirements of capacitor discharge test
  • Rugged modular construction
  • High reliability double action contacts for highoperate speed and low bounce
  • 5 or 12 heavy duty contacts available in a wide range of Make and Break combinations
  • Self-reset, hand reset and hand/electrical reset versions
  • Electrical reset interlock
  • High visibility electro-mechanical flag indication
  • Rated operate voltages available for 30/32, 48, 110, 125, 220, 240 or 250 Volts DC nominal auxiliary supplies
  • M4 screw terminals
  • Optional relay operate LED
  • Optional trip counter
  • Optional electrical reset isolation switch
  • Simple to specify and order
Alpha Series: Trip, Auxiliary and Supervision

Alpha XR High reliability supervision relays

  • Rugged modular construction
  • High reliability double action contacts
  • 5 heavy duty contact versions available in a range of Make and Break combinations.
  • High visibility electro-mechanical flag indication
  • Self reset and hand reset reverse acting flags options
  • Optional supervision Healthy LED
  • Rated operate voltages available for 30/32, 48, 110,
  • 125, 220, 240 or 250 Volts DC nominal auxiliary supplies
  • Low burden
  • Rack or flush mounting
  • Compact size 2 draw out case
  • M4 screw terminals
  • Simple to specify and order
  • Made in Australia