Product Description CNC OEM Factory Air Circuit Breaker
400A 4000A 1250A 3p 42 KaYCW3 series air circuit
breaker(hereinafter called ACB) is suitable for the circuit of AC
50Hz/60Hz with rated service voltage 400V, 690V and rated service
current between 200A and 6300A. It is mainly used to distribute
electric energy and protect circuits and electric equipment against
over-load, under-voltage, short-circuit and single- phase earthing
fault.With intelligent and selective protection functions, the
breaker can improve the reliability of power supply, and avoid
unnecessary power failure. The breaker is applicable for power
stations, factories, mines(for 690V) and modern high-buildings,
especially for the distribution system of intelligentized
building.Standard: IEC/EN 60947-2.Breaking capacity Rated
current In(A)16002000320040006300Rated ultimate short circuit
breaking capacity
Icu(kA)400/415V6580100120135660/690V50658585100Rated service short
circuit breaking capacity
Ics(kA)400/415V556580100135660/690V42657085100Rated short time
withstand current
Icw.1s(kA)400/415V506580100135660/690V42657085100Rated short
circuit making and breaking capacity
Icm(kA)400/415V110176220264297660/690V77143154187220Electric
life80008000800060001500Mechanical life
(Maintenance)300003000020000200005000Mechanical life
(Non-maintenance)200001500012500100002500Dimension(mm) W×H×LDrawout
type3P285×345×351375×451×432435×486×439435×486×439930×486×4394P352×345×351470×451×432550×486×439550×486×439/Fixed
type3P254×251×320362×362×395426×378×395426×378×395/4P324×251×320457×362×395537×378×395537×378×395/Note:
6300A only has 3P drawout typeCompany ProfileOur
Advantages Packaging & Shipping /* January 22, 2024
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a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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