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Archive: Category «Low Voltage»

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Form of separation 1 – Requirements

In general, the price of an Assembly will increase with increased levels of separation and/or types of construction. Choosing the arrangement with the most internal barriers will not always lead… Read more

Jan 27, 2011 | Edvard

Form of separation 1 - Requirements

Maintenance Of Molded Case Circuit Breakers (MCCB)

The maintenance of circuit breakers deserves special consideration because of their importance for routine switching and for protection of other equipment. Electric transmission system breakups and equip­ment destruction can occur… Read more

Jan 01, 2011 | Edvard

Molded Case Circuit Breakers (MCCB)

Maintenance Of Low Voltage Circuit Breakers

The deterioration of low voltage circuit breaker is normal and  this process begins as soon as the circuit breaker is installed. If  deterioration is not checked, it can cause failures… Read more

Dec 31, 2010 | Edvard

Maintenance Of Low Voltage Circuit Breakers

Forms of Separation (2) – Fundamentals

In accordance with the Standard, separation of the various elements of an Assembly: busbars, functional units, terminals, can be claimed providing one or more of the following criteria are met:… Read more

Dec 13, 2010 | Edvard

Forms Of Separation - Introduction

Time-Current Curves explained in details

Time-current curves are used to show how fast a breaker will trip at any magnitude of current. The following illustration shows how a time-current curve works. The figures along the… Read more

Dec 07, 2010 | Edvard

Time-Current Curves

Forms of Separation (1) – Introduction

Standard BS EN 60439 Part 1, describes a system for classifying the various forms of separation to be provided principally for: protection against contact with live parts belonging to the… Read more

Dec 04, 2010 | Edvard

Forms Of Separation - Introduction
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