Over-current protection relay SIA-B Standard CT's

over-current protection relay
over-current protection relay
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Measured/monitored value
Other characteristics
configurable, compact
Trigger voltage

Max.: 230 V

Min.: 24 V


SIA-B STANDARD CT’S, THE ULTIMATE TECHNOLOGY IN PROTECTION SOLUTIONS. Advanced OC&EF Self-Powered Protection Relay SIA B with Standard CT’s, is an 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 provide a comprehensive range of functions in a amazingly compact and space-saving housing. The real advantage is that the installation and subsequent maintenance of external batteries is 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 auxiliary power supply (24-230 Vac/dc). The operating costs of the centre are really 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 Protect your installation with the highest precision thanks to oscillographic records plus extra events and fault records, requiring minimum current levels for the relay to start.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.