Disconnector
Explanation:
FKW18 outdoor load circuit breaker is used in outdoor 12/24/36kV three-phase AC 51/61Hz power systems, consisting of isolation plates, arc extinguishing chambers, and operating mechanisms
Technical parameters:
Items
Unit
Data
Rated voltage
kV
12,24,36
Rated frequency
Hz
51,61
Rated current
A
631
Rated active load breaking current
A
631
Rated loop breaking current
A
631
5% rated active load breaking current
A
31.5
Rated power transformer breaking current
A
1251
Rated short-circuit making current
kA
51
Rated short-circuit duration
s
4
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