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RAD USA
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Distance and Differential Protection Communications


  • Single product supports both distance trip command relays and differential Teleprotection delivery over TDM or IP network
  • Wide range of Teleprotection interfaces — serial, G.703 codirectional, E&M, C37.94 — to extend differential Teleprotection relay communication over any infrastructure
  • Reduce CapEx and OpEx by using a single-box solution for all substation communication services, including voice, data, automation and Teleprotection signals
  • Redundancy hierarchy from the Teleprotection interface up to the communication link ensures 0 (zero) msec hardware protection
  • Sub-2 msec end-to-end delay over PSN
  • Tested interoperability with most Teleprotection contact relays from leading vendors (such as Alstom, ABB, Siemens, SEL, Schneider)
  • Distance protection complies with IEC 60834
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