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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:
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 | |||||
