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This would typically be seen in older residential installations where the service was of such a high amperage that the mains required larger breakers than were available (for that panel). Placing two breakers in parallel allowing sharing of the load. Two breakers per (split) phase would total four breakers.
Two breakers of 50 amp rating each (in parallel) provide (generally) 100 amps of protection. Two sets of two would provide mains protection for a 200 amp service.
What else can I help you with?
Which type of circuit breakers used in EHT applications?
SF6 circuit breaker
What metals are used in the construction of circuit breakers?
Copper, Brass and Aluminum.
What devices are used to deliberately create an open circuit when the current exceeds a specific value?
fuses or circuit breakers
Can different rating circuit breakers have the same short circuit characteristics?
Yes, different amperage rating circuit breakers can have the same short circuit characteristics.
Which type of circuit breakers used in railway applications in India?
Vacuum circuit breaker is used in railway applications and as it is used in the applications where current chopping phenomenon is more
3 pole circuit breakers?
3 pole circuit breakers are used for 3 phase lines
Is gold used in circuit breakers?
Certainly not in the case of high-voltage circuit breakers. Probably not in low-voltage circuit breakers, as copper is a better conductor and has a higher melting point.
What objects are bimetallic used in?
Circuit breakers.
Which type of circuit breakers used in EHT applications?
SF6 circuit breaker
Circuit breakers are used for the same purposes as?
fuses
Circuit breakers are used for what?
Circuit breakers prevent excessive current from flowing in the circuit by "tripping" when the current exceeds the circuit breaker rating. This causes the current to be cut off, and is used to protect the wiring as well as the appliances.
Is all circuit breakers automatically reset?
No, not all circuit breakers are automatically reset. Some circuit breakers need to be manually reset by flipping the switch back to the "on" position after they have tripped. Automatic reset circuit breakers are typically used in specific applications where it is important for the circuit to be quickly restored without human intervention.
What circuit breakers can be used in a load center?
The same name breakers as the manufacture of the load center.
What metals are used in the construction of circuit breakers?
Copper, Brass and Aluminum.
Which of these is used in household wirings to prevent accidental fire in case of short circuit?
Fuses & circuit breakers.
Where can Square D circuit breakers be purchased?
Square D circuit breakers can be purchased from various homeware and DIY stores such as Home Depot or Lowes. Websites that specialise in circuit breakers such as Circuit Breaker Service or All Breakers do sell them as well.
Where are the circuit breakers on a 2000 chev Tahoe?
most circuit breakers are under the hood near the battery. major breakers. you have to unscrew cover.
