Miniature Moulded Case Air DC Breaking Capacity 6ka 10ka Vacuum
Electrical Switch Miniature Circuit Breaker (WSB9Z) MCBKey
InformationWSB9Z-63Pole: 1P, 2PVoltage: DC220VkA: 6kA (1P), 7.5kA
(2P)Amps:6, 10, 16, 20, 25, 32,40, 50, 63Width: 18, 36mm
GeneralWSB9Z-63 series DC mini circuit breakers are applied at
direct current circuit system, with rated operation ovltage DC220V,
rated current upto 63A, to make protection of overload and short
circuit, also for infrequent changeover for the lines. The breakers
are used at places of commercial office, residential and similar
buildings.The product meets standards of GB 10963.2 and IEC
60898-2, at advanced international level.Main technical
parameters No.Current ratingInitial stateTest currentTime
limitExpected result1In≤63Cold1.13Int≥1hNot tripping2In≤63Just
follow the last test item1.45Int321s4Type CCold5Int≥0.1sNot
tripping10Int
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