Fanox Compact Directional

Fanox SIL-S – Feeder Protection Relay with LPIT (Low-Power Instrument Transformers)

SKU FANOX-SIL-S
Fanox SIL-S is a feeder protection relay specifically designed for use with LPIT (Low-Power Instrument Transformers) in primary and secondary MV distribution. Delivers directional overcurrent and earth fault protection with compact footprint.
Technical documents available — View documents
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Fanox SIL-S — Feeder Protection Relay for LPIT Applications

The SIL-S is optimised for next-generation MV switchgear equipped with Low-Power Instrument Transformers (LPIT), per IEC 61869 series, replacing conventional CTs and VTs with electronic sensors. This enables a significantly more compact installation while maintaining full directional protection capability.

Key Features

  • Compatible with LPIT current and voltage sensors (IEC 61869)
  • Directional overcurrent and earth fault protection
  • Compact design for modern switchgear platforms
  • SICom software compatible for remote configuration and event analysis

Documents Available

EN/ES Datasheet R10 | EN/ES User Manual R005 — available from Fanox downloads portal or on request.

Technical Documentation

Datasheets

User Manuals

Additional Resources