The MiCOM Alstom P44T is a powerful multifunction device, providing distance main protection with heap of backup protection, thermal protection, recording, control, measurement, and monitoring features. The device provides several benefits, including: true subcycle distance tripping; integral digital teleprotection between line ends; powerful, fast, and deterministic PSL logic; NERC compliant cyber security; and communication options right from serial up to IEC 61850 and DNP3 ethernet.