With Fanox you have a powerful and innovative electronic partner on your side
We support your business with advanced technology and many years of experience
Advanced OC&EF Self-Powered Relay SIA-B is the most reliable dual powered (Self-Powered + Universal Vaux) relay offering a high performance previously available only in relays with Vaux.
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.
Counting with an extensive experience of successfully operating devices in the field worldwide and thanks to the unique advantages, SIA-C enjoys top recognition among users all around the planet.