Power Distribution Equipment
KYN28S-12 Double-Tier Medium-Voltage Switchgear
10kV Double-Deck Cabinet
Product Details
Specs
Test Report
Model KYN28S-12 is a kind of indoor metalclad drawout switchgear for double circuit breaker. It is a new generation of 12kV system power distribution unit independently developed by our company.The device has the characteristics of compact structure, reasonable layout, convenient maintenance and repair, small floor space and so on.The device is suitable for the substation area is small, the outlet circuit needs more places, especially for the transformation and upgrading of the substation provides a good solution;The device meets requirements of IEC60298,GB3906,DL /T404-91,etc standards,and has perfect five proventions function.
Techniacl Paramenters of Switchgear
| Item | Technical Parameter |
|---|---|
| Rated voltage | 12kV |
| Rated frequency | 50Hz |
| Rated current for main bus | 630A~2000A |
| Rated insulation level | |
| 1 min power frequency withstand voltage (effect value) | Phase to phase, phase to earth: 42kV; Primary isolating fracture: 48kV |
| Ligntning impulse withstand voltage | Phase to phase, phase to earth: 75kV; Primary isolating fracture: 85kV |
| Auxiliary control circuit 1 min power frequency withstand voltage | 2000V |
| Rated short circuit breaking current | 25kA, 31.5kA |
| Rated short circuit closing current(peak value) | 63kA, 80kA |
| Rated short time withstand current(4s) | 25kA, 31.5kA |
| Rated peak value withstand current | 63kA, 80kA |
| Rated voltage of control circuit | AC110V, 220V；DC110V, 220V |
| External dimensions (W*D*H) | 800(1000)×1900×2480(2580, 2680)mm |
| Protection class | |
| When circuit breaker chamber door is closed | IP4X |
| When circuit breaker chamber door is opened | IP2X |
Test Report
