Advanced OC&EF Self-Powered Relay

The SIA-B OC&EF protection relay provides the ultimate technology in application performance and protection. SIA B with Standard CT’s, is an overcurrent protection relay with self powered and dual powered (Self-powering + Auxiliary power) options.

SIA-B has the advantage of remote communications for SCADA (Modbus or DNP3.0 protocols), up to 10 COMTRADE records, advanced protection functions and a completely configurable I/O thanks to advanced logic  in a amazingly compact and space-saving housing.

Line Protection Relay

Fanox SIL-A Relay has been designed for overcurrent and earth fault protection. Take a step forward in terms of line protection providing advanced communications and more protection functions such as auto-recloser.

Moreover, the ability of being able to choose between standard /1 or /5 CTs easily by software combined with more sensitive measurements provides you the flexibility and reliability you need for a complete line protection.

The safest choice for Overcurrent and Earth Fault Protection

SIA-C Relay has the advantage that It can be Self-powered and Dual-powered (self+auxiliary) depending on the model.

Diferent sizes and model, withdrawable and Self-powered makes the installation and maintenance much easier. Perfect solution for retrofit applications.

Counting with an extensive experience of successfully operating devices in the field worldwide and thanks to these unique advantages, SIA-C enjoys top recognition among users all around the planet.


01 – 05 April 2019
HALL 12 – Stand G08

03 – 06 June 2019
HALL 9 – Stand I15

Fanox relays had become the safest and most compacts Relays aimed at the electrical market, all our Relays can be adapted to the technical specifications and requirements of customers, obtaining the best technical solution to meet their application and assembly needs.

All of our products are developed by specialists and will optimize your safety while reducing maintenance costs.

See our General Technical Catalogue