Vacuum Circuit Breaker Symbol
The actual layout of the components is usually quite different from the circuit diagram.
Vacuum circuit breaker symbol. The following tables describe the device and show the symbol by area of usage. It is much environment friendly than sf 6 circuit breaker. It requires minimum maintenance compared to other circuit breaker technologies. To build a circuit you need a different diagram showing the layout of the parts on.
Circuit breakerssymbols in svg png jpg dxf dwg formats. Beside that contraction of vcb is user friendly. Fixed mounted breakers or non draw out circuit breaker is represented by the symbol given above. The pressure inside the vacuum interrupter is approximately 10 4 torrent and at this pressure very few molecules are present in the interrupter.
Fuji vacuum circuit breaker for safe operation easy handling and compactness unit. There is no chance of fire hazard like oil circuit breaker. Fuses are devices containing a small piece of special wire that melts when the intensity of the current flowing through it for a certain period of time exceeds a set value thus protecting the rest of the electrical circuit overloads. The top countries of suppliers are japan china from which the percentage of vacuum circuit breaker symbol supply is 2 97 respectively.
When a high current or voltage is interrupted an arc is generated. Cross reference mz081001en effective november 2013. Replacement of vacuum interrupter vi is much convenient. Miniature and molded case circuit breakers are usually discarded when the contacts have worn but power circuit breakers and high voltage circuit breakers have replaceable contacts.
Vacuum circuit breaker has a high insulating medium for arc extinction as compared to the other circuit breaker. This type of breaker is fixed during maintenance the power flow through the breaker needs to be stopped. Mm features compact light mass design vacuum circuit breakers have a small switching stroke as compared with other types of circuit breakers so their breaking unit is small in size. Fuses and electrical protection symbols.
To take full advantage of this feature the operating mechanism has been designed to reduce the size and mass of the. Advantages of vacuum circuit breaker or vcb. The vacuum circuit breaker has mainly two phenomenal properties.