Line Protection Relays

With Fanox you have a powerful and innovative partner on your side. We support your business with high technology and many years of experience.

Discover our Protection Relays, suitable for Medium and High-voltage protection, providing the safety and reliability needed to operate with confidence.

SIA-F
SF6 & Metalclad Switchgear Protection

Fanox SIA-F is our most competitive and cost-effective solution for overcurrent and earth-fault protection. Like all other Fanox protection relays the compact size with reduced depth makes it easier to install and saves costs.

Additionally  the use of external CTs allows you to modify their relation adapting to your requirements and reducing installation costs while having a wider range power supply.

Protection functions:

  • 50 + 50/51 + 50N/G + 50/51N/G + 86 + PLC + CLP.
  • 49 + 52 + 50BF + TB as additional protection functions.

SIL-A
Advance Line Protection

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.

Protection functions:

  • (2) 50 + 50/51 + (2) 50N/G(1) + 50/51 N/G(1) + 52 + 50BF + 46 + 79 + 74TCS + CLP + 86 + 49T.
  • 49 + 74CT + 37 + 46BC + TB as additional protection functions.

SIL-D
Directional Protection Relays

Fanox SIL-D brings you all features included in our SIL-A relays adding the highly requested Neutral Directional protection function for an even wider protection.

Therefore, SIL-D is 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.

Most noteworthy like SIL-A, 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.

Protection functions:

  • (2) 50 + 50/51 + (2) 50N/G + (2) 50N/51N/67N + 52 + 50BF + 79 + 74TCS + CLP + 86 + 49T + 59N + TB.
  • 67NI_1 + 67NI_2 as additional protection functions.
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