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What to make of the two kA ratings one find on MCB (Miniature Circuit Breakers) Why is there 6 and 10kA for same circuit breaker?(sales) The famous question that causes much confusion: The BS 60898 and IEC 60947 for Euro and African countries. The same breaker but two different kA ratings …come on! Why, why, […]

It is a test button to confirm the operation of the earth leakage… “Duhuh (or something that sounds like that)” he says…I can see that…it is written on the unit…I ask what does it do. Does it push a lever inside and trip the unit mechanically or does it test it electrically as well…what does it […]