Overview
KYN28-12 Withdrawout metal-clad and metal-enclosed switchg is 3.6 ~ 12kv three-phase ac 50Hz single busbar and single bus section system of complete sets of power distribution device. Products conform to the requirements of the standards such as IEC60298, Gb3906, GB/T11022, Dl404 have "five prevention" locking function, as well as configuration WVT/WVS series vacuum circuit breaker, the company also configurable mainstream vacuum circuit breaker at home and abroad, it is a kind of superior performance of the power distribution device. This product is mainly used in power plant, small and medium-sized generator power distribution, industrial and mining enterprises and power system secondary substation ,it is used to control, protection and monitoring electric.
Main technical parameters
Ur | kV | 12 | |
Rated current of the main busbar | A | ≤4000 | |
Rated current of branch busbar | A | ≤4000 | |
Rated insulation level | 1-minute power frequency withstand voltage (RMS value)Ud | kV | 42/48 |
Lightning impulse withstand voltage (peak value)Up | 75/85 | ||
Protection gradeIP | IP4X | ||
sizemm(W×D×H) | mm | 800、1000×1500、1660×2300 |