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AC metal-enclosed switchgear

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KYN61-40.5 Armored AC Metal-enclosed Switchgear

KYN61-40.5 armored AC metal-enclosed switchgear is suitable for three-phase AC 50HZ, 40.5KV single-bus sectional power system, mainly used in power station, substation, industrial and mining enterprises and high-rise building Distribute electrical energy and control, protect, and monitor the circuit. Meet the requirements of IEC60298, GB3906, DL404 and other standards, and have a perfect "five anti-function."

The main technical parameters:
Rated insulation voltage 40.5KV
Rated frequency 50HZ
Main bus rated current 1250,1600,2000A
Rated bus current 630,1250,1600A
Rated insulation level   Interphase and relatively One isolation fracture
1min power frequency withstand voltage (effective value) 95KV 115KV
Lightning impulse withstand voltage (peak) 185KV 215KV
Auxiliary control circuit power frequency withstand voltage 2000V
Rated short-circuit breaking current 25,31.5KA
Rated short-circuit current (peak) 63,80KA
Rated short-term withstand current (4s) 25,31.5KA
Rated peak withstand current 63,80KA
Control circuit rated voltage Dc or Ac 110/220v
Protection level shell IP4X
Circuit breaker room door or compartment IP2X