Fuses | Characteristics, Applications & Types of Fuses

Fuse was patented by Thomas Edison in 1890. Fuse is the simplest & cheapest device used for interrupting an electrical circuit under short circuit or excessive. The fuse element is generally made of materials having low melting point, high conductivity and least deterioration due to oxidation e.g., silver, copper etc. Definition of fuse It is … Read moreFuses | Characteristics, Applications & Types of Fuses

Oil Circuit Breakers | Advantages & Disadvantages

Oil circuit breakers are the oldest type of circuit breakers. The separating contacts of the oil circuit breakers are made to separate within the insulating oil which has better insulating properties than air. On the occurrence of the fault as the breaker contacts open under the oil, an arc is struck between the breaker contacts … Read moreOil Circuit Breakers | Advantages & Disadvantages

Circuit Breakers

Question: What is a Circuit Breaker? Answer. Circuit Breaker is a mechanical device designed to close or open contact members, thus closing or opening an electrical circuit under the normal or abnormal conditions. Question: How does a Circuit Breaker different from Switch? Answer. A switch is just a device when can be able to open and close … Read moreCircuit Breakers

Air Blast Circuit Breakers | Working, Advantages & Disadvantages

Air Blast Circuit Breaker is those kind of circuit breaker which operates in air at pressure of 20-30 kg/cm2. It is also good choice to avoid the risk of oil fire, in case of oil circuit breaker. The aim of all kind of circuit breaker is to prevent the re-establishment of arc after current zero by creating … Read moreAir Blast Circuit Breakers | Working, Advantages & Disadvantages

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