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What is ics,icu,icw of load breaker
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Answer Posted / vyara
Ultimate or rated short-circuit breaking capacity
(Icn - EN 60898)
A breaking capacity for which the prescribed conditions,
according to a specified test sequence do
not include the capability of the MCB (Miniature Circuit
Breakers) to carry 0.96 times its rated current for the
conventional time.
Ultimate short-circuit breaking capacity
(Icu - EN 60947-2)
A breaking capacity for which the prescribed conditions,
according to a specified test sequence do
not include the capability of the MCB to carry its
rated current for the conventional time.
Service short-circuit breaking capacity
(Ics - EN 60898)
A breaking capacity for which the prescribed
conditions according to a specified test sequence
include the capability of the MCB to carry 0.96
times its rated current for the conventional time.
Service short-circuit breaking capacity
(Ics - EN 60947-2)
A breaking capacity for which the prescribed
conditions according to a specified test sequence
include the capability of the MCB to carry its rated
current for the conventional time.
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