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Voltage, Frequency and ROCOF (df/dt)

Mains decoupling / Generator Protection / Load shedding
Product Type

About XN22

Distribution & Protection

  • Application Notes
  • Brochure
  • Product Specification
  • Software Manual
  • Technical Manual
  • Software

To learn more about this product line, please contact Aurelius.

The relay XN2 of the easy PROFESSIONAL LINE is a universal mains decoupling relay and contains the protective functions required for the mains parallel operation of power stations:

  • Over- and undervoltage protection
  • Over- and underfrequency protection
  • Phase sequence supervision
  • in addition, for the XN2-1: vector surge (fast decoupling of the generator in case of mains failure)
  • in addition, for the XN2-2: df/dt (fast decoupling of the generator via frequency gradient supervision)

The XN2 is compliant with IEC 60255-1.

Order Variants of the XN2

  • XN2-1 (voltage, frequency, vector surge) – ANSI 27, 59, 78V
  • XN2-2 (voltage, frequency, df/dt) – ANSI 27, 59, 81R

Benefits of the Professional Line

  • Fast DIN rail mounting ⇛ easy and fast mounting
  • Sealable plastic covers ⇛ safe (see if anybody has broken the seal)
  • Super easy settings via front buttons ⇛ fast without computer
  • LED and output relays fault indication ⇛ easy to find out what has happened
  • Compact form factor ⇛ fits in small spaces
  • IT security ⇛ no way to attack via Ethernet
  • Robust and reliable ⇛ well proven reliable quality
  • Wide Range Power Supply ⇛ don’t worry about available supply voltage
  • Integrated Self-Test Procedure (via button) ⇛ fast and easy checks: relays, LEDs

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