Product Overview:KYN28A-12 armoured removable metal enclosed switch equipment
KYN28A-12 armored removable indoor AC metal-enclosed switchgear (hereinafter referred to as switchgear) complies with the requirements of GB3906, GB/T11022, 1EC60298 and DL/T404. It is suitable for 3.6-12kV AC three-term 50Hz single bus segmented power system. It is used to receive and distribute electric energy and control, protect and monitor circuits.
Specifications and Parameters:
Rated voltage:12kV
Rated current:630,1250,1600,2000,2500,3150A
Material：Cold rolled steel plate/aluminum zinc coated plate
Dimensions (width * depth * height)：800(1000)*1450（1610,1750)*2310mm
Rated current of main busbar:630,1250,1600,2000,2500,3150,4000A
Rated current of branch busbar:630,1250,1600,2000,2500,3150,4000A
Rated frequency:50Hz
Rated short-time withstand current (4s):20,25,31.5,40kA
Rated peak withstand current:50,63,80,100kA
Rated short-circuit breaking current:20,25,31.5,40A
Rated short-circuit closing current:20,25,31.5,40A
Protection level:shell IP4X,The circuit breaker room door is open IP2X
Power frequency withstand voltage:42kV/65kV
Lightning impulse withstand voltage:75kV/125kV
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