Reyrolle 7SR45

The Reyrolle 7SR45 Argus self-powered/dual-powered non-directional overcurrent and earth fault relay is developed using the latest generation of hardware technology. Multiple variants, depending on the current transformer (CT), binary input/binary output, power supply, and communication configurations, are available. 

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DESCRIPTION

Basic Features

  • Provides definite-time and inverse-time overcurrent and earth fault protection functions with an operating setting range of 0.1 to 0.2
  • CT powered with an option to connect to an external auxiliary supply to provide additional security and communications port for connection to SCADA
  • Compact and non-draw-out design provide front fascia to the navigation keys, LCD, and front USB port for ease of use
  • Password protection
  • Protection from thermal overload (49)
  • Protection from overcurrent (50, 51)
  • Protection from earth fault (50G, 50N, 51G, 51N)
  • Protection function blocking/inrush current blocking (68)
  • High speed external trip via binary input (49T)
  • Lockout (86)