Tag Archives: acb

Circuit Breaker – 7 Types

Circuit Breaker is one of the most important equipment in the power distribution system. This is because of the function of the equipment itself which is, the ability to open a circuit or to break the circuit during maintenance work or when there is fault in the system without getting damaged. Circuit breaker is a… Read More »

Standard Checks & Tests for MDB, SMDB, DB & Motor Control Center

As a standard practice installer or contractor shall arrange for the witnessing of the following tests on the fully equipped switchboards (main, submain distribution boards and Motor Control Centers MCC) including primary bus bars and connections at the factory, in accordance with IEC 439-1: High voltage power frequency tests on main and auxiliary circuits Dielectric/insulation… Read More »

Air Blast Circuit Breaker | Construction & Operating Mechanism

A circuit breaker is a mechanical switching device, capable of making, carrying and breaking currents under normal circuit conditions. It is also capable of making and carrying currents for a specified time and breaking currents under specified abnormal circuit conditions, such as those of a short circuit. Air Blast Circuit Breaker is one of major component… Read More »

Masterpact NT Circuit breakers and switch-disconnectors IEC from 600 to 1600A User manual

Masterpact NT Circuit breakers and switch-disconnectors IEC from 600 to 1600 A User manual Over the years, other major manufacturers have tried to keep up by developing products incorporating Masterpact’s most innovative features, including the breaking principle, modular design and the use of composite materials. In addition to the traditional features of power circuit breakers… Read More »