KYN28-12 (Z) type armoured move open-die exchange metal sealing switch equipment, implement control, protection, monitoring purp
KYN28-12 (Z) type armoured move open-die exchange metal sealing switch equipment, fasten 3.6-12KV three-phase ac 50Hz single busbar and single busbar segmentation system and complete sets of switchgears, mainly used in power plants, generators, industrial and mining enterprises, distribution and bro-ken electric power system of secondary substation by electricity, feeding and large high-voltage electric agencies, implement control, protection, monitoring, with this switchgear meet IEC298, such as GB3906 standards. This switch equipment can be used for the ABB VD4 type vacuum circuit breaker, and can be used ZN63-12 (VS1) type vacuum breakers.
project | unit | data | |
Rated voltage | KV | 3.6 7.2 12 | |
Rated insulation level | 1min industrial frequency tolerance voltage | KV | 42 |
Lightning shock resistance voltage | KV | 75 | |
Rated frequency | Hz | 50 | |
Mistress line rated current | A | 630,1250,1600,2000,2500,3150 | |
Branch busbar rated current | A | 630,1250,1600,2000,2500,3150 | |
4S thermal stability of current (RMS) | KA | 16,20,25,31.5,40,50 | |
Rated dynamic stability current (peak) | KA | 40,50,63,80,100,125 | |
Protection grade | For 1P4X, segregation between shell, breaker room when the door was opened for 1P2X | ||
