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What is BOCR-3DE Digital Over-current Relay about?

This document summarizes the features of a BOCR-3DE digital overcurrent relay with ammeter. It provides overcurrent, undercurrent, phase loss, phase reversal, and unbalance protection. Key features include microcontroller-based design, display of phase currents, definite and inverse time-current characteristics, trip cause memory, and self-diagnostics. It is applicable for inverter applications from 20-400Hz.

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