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What is Relay Inspection and Testing Guide about?

This document summarizes the testing and inspection of a METASOL MR-4 2a2b protective relay with a 57.7V AC rating and 2NO + 2NC contacts. Section 1 provides general information on the relay. Section 2 describes performing a visual inspection and checks of mechanical components. Section 3 outlines electrical tests of contact continuity, resistance, flag operation, reset operation, and coil resistance. Section A-C details pickup/drop off testing, operating/reset time testing, and relay burden testing along w

Author

Anonymous VXpghP

Language

EN