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Topic :: Circuit Breaker
Resistor switching is used in which type Circuit Breaker ? a) oil filled CB b) Air blast CB c) Gas filled CB
11 31822What is difference between miniture circuit breaker and module case circuit breaker up to 63Amp.
MSPL,
7 14287How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
1730In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?
2 20582
Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks
what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?
how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?
what is circuit recombiner and how it is different from circuit breaker
If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
Merits & Demarits of Oil circuit & Air circuit breakers ?
What is Surge Capacitor? Why it is use in Generator Circuit Breaker?
What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?
how braking & making capacity of circuit breaker is calculated?
how braking & making capacity of circuit breaker are calculated?
When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<
LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values
What is the formula to calculate the rating of a three phase miniature circuit breaker
What is the formula to calculate the rating of a three phase air circuit breaker
