What is a 10ka breaker?
Just so, what does 10ka mean on a breaker?
The 10ka written on the breaker is the maximum load the breaker can interrupt during a short circuit and it means 10,000 amps. The 20 on the actual switch itself means that the breaker should trip at a load of 20 amps. That is a two pole breaker (usually see them used for things like AC, electric dryers, stoves, etc..)
Subsequently, question is, what does 3ka mean? In South Africa, miniature circuit breakers (MCBs) have become so commoditised over the past 20 years that their all-important function has been blurred and, in most cases, misunderstood.
Also, what does kA mean on a circuit breaker?
What is circuit breaker rating?
Circuit Breaker Ratings. The rating of the circuit breaker is given on the duties that are performed by it. It must be capable of carrying fault safely for a short time while the other breaker is clearing the fault. This refers to the short-time capacity of a circuit breaker.