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SIA-B SELF POWERED

SIA-B SELF POWERED

The SIA B is Overcurrent Protection Relay with Self-powered and dual powered (Self-powering + Auxiliary power) options.

Impeccably suited for protection and distribution systems, with minimal space requirement, SIA-B compact relay provides a comprehensive range of functions in an amazingly compact and space-saving housing.

The real advantage is that the installation and subsequent maintenance of external batteries are eliminated. The innovative relay is Self-powered using the operating current through three /1 (<2VA) standard current transformers fitted on the lines. These transformers are also used to obtain current measurements. Besides, SIA-B Relay can be used with an auxiliary power supply (24-230 Vac/dc). The operating costs of the centre are reduced.

SIA-B Standard CT’s Protection Relay offering a high performance previously available only in relays with Vaux:

  • Remote communications for SCADA (Modbus or DNP3.0 protocols).
  • Up to 10 COMTRADE records.
  • Advanced functions.
  • Completely configurable I/O thanks to advanced logic.

Ultra-fast SOTF
Very low start-up levels and minimum consumption <2 VA
Compact design

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The Local Power of Energy, The Control of the Future


relkoenerji With over 30 years of experience, we produce innovative protection and control solutions for electrical transmission and distribution systems. With our local engineering power, we shape the future of energy by developing high-quality technologies in MV, LV, and HV segments.

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