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Multilin D60

The D60 is suitable for protecting transmission lines and cables including lines equipped with series compensation. The D60 supports dual-breaker applications and can be applied in single-pole or three-pole tripping applications. The D60 is applicable to different teleprotection schemes and includes inter-relay protection communications via direct fiber as well as different interfaces. The D60 also provides Synchrophasor measurement over Ethernet per IEEE C37.118.

Key Benefits

  • Five zone quad or mho, phase and ground distance protection
  • Complete IEC 61850 Process Bus solution
  • Reliable and secure protection on series compensated lines
  • Superior phase selection algorithm
  • Supports multiple standard pilot schemes
  • Flexible programmable logic for building customized schemes
  • High-speed inter-relay communications
  • Simplified teleprotection interfaces with Direct I/O communications
  • Robust network security enabling Critical Infrastructure Protection
  • Phasor Measurement Unit
  • Ambient temperature monitoring with alarming
  • The D60 supports English, French, Russian, Chinese and Turkish languages on the front panel


  • Overhead lines including series compensated lines and underground cables
  • Single and dual-breaker circuits requiring single pole/three-pole autoreclosing
  • Circuits with in-zone power transformers
  • Secure application with CCVTs Backup protection for generators, transformers and reactors
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