Archive | Circuit Breaker

30 January 2012 ~ 0 Comments

High voltage circuit breaker

As we know about circuit breaker is to protect electrical equipment from abnormal condition such as over load current or short circuit.For Low voltage circuit breaker,i already explain on my last post.Please read my post about miniature circuit breaker (MCB),molded case circuit breaker (MCCB) and residual current circuit breaker (RCCB) for more detail information. For [...]

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07 August 2011 ~ 7 Comments

Accessories for MCCB

As we known,Molded Case Circuit Breaker main function is protection device from overload current and short circuit.It also have a several attachment device for additional protection that we can combine with MCCB. Common accessories used for MCCB such as phase insulation barrier,Shunt trip,Under voltage trip device,rotary handle and change over system.It can provide more protection [...]

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02 August 2011 ~ 0 Comments

Types of Molded Case Circuit Breaker MCCB

Before we make a decision to install Molded case circuit breaker for our application,firstly we need to know about types of MCCB.It important information that we must know to make sure our MCCB can functioning properly to protect our application from electrical failure. As we know the main function of MCCB are to protect our [...]

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31 July 2011 ~ 3 Comments

MCCB protection for induction motor

Circuit breaker is the one of important protection device when installing of electrical induction motor.This time i want shared some information about the major parameter that we need consider when applying Molded case circuit breaker(MCCB) for electric motor. If we not selected the right MCCB for our electric motor application,it will effected to the system [...]

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16 July 2011 ~ 1 Comment

Vacuum circuit breaker

As we know vacuum mean the the pressure is maintained below atmospheric pressure( unit : mm Hg ).So the manufacture made a research and development to design the vacuum circuit breaker based on current cannot jump in vacuum condition. Vacuum Circuit Breaker used the vacuum pressured to extinguish the current arc when it switching.Normally this [...]

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13 July 2011 ~ 1 Comment

Circuit breaker specific features for main switchboard

For circuit breakers specification MUST suitable with installation condition and needed.Main switchboard is the main power supply distribution for factory or building.This unit is a key for entire electrical power supply distribution. Circuit breaker feed the high volume of voltage for all equipment and machine.It also have a high value of short circuit current due [...]

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07 July 2011 ~ 2 Comments

Maintenance for low voltage circuit breakers

Low circuit breaker normally operating at 600 volt AC and below.The common used types of  circuit breaker around the world such as molded case circuit breaker (MCCB) and Air circuit breaker ( ACB ). This low voltage circuit breaker usually used for power distribution and sub power distribution at factory and general industry.It a combination [...]

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