Dual & Self-Powered Protection Relays

Fanox SIA-B and SIA-C dual/self-powered overcurrent and earth-fault protection relays for medium-voltage feeders without auxiliary supply — operating directly from CT secondary current. Compliant with IEC 60255-151; equivalent to SEL-351S, GE P14N self-powered, and Schneider Sepam S20 in cost-sensitive MV applications."