KYN61-40.5 metal-armored shifting switch cabinet is suitable for three-phase AC 50Hz,40.5kV single busbar section power system, it also control, protection and monitoring for the circuit, meet the requirements of IEC60298, GB3906, DL404 and other standards, and has perfect "five preventions" function.
The switchgear enclosure developed and produced by our company selects the imported Al zinc sheet steel processed by CNC machining stool with multiple bending technique adopted. It has high mechanical strength and effiectively guarantees the product quality.The matching precision of the handcart and the cabinet body, the handcart pushes and pulls out very light, the interchangeability is good, the appearance is beautiful, the scheme is complete, the use is safe and reliable.The highest rated current of the product can reach 4000A, and the highest use altitude of the product can reach 3500m. The products are widely used in power plants, communications, electronics, metallurgy, new energy and other fields.
Techniacl Paramenters of Switchgear
| Item | Technical Parameter |
|---|---|
| Rated voltage | 40.5kV |
| Rated frequency | 50Hz |
| Rated current for main bus | 630A~4000A |
| Rated insulation level | |
| 1 min power frequency withstand voltage (effect value) | Phase to phase, phase to earth: 95kV; Primary isolating fracture: 118kV |
| Ligntning impulse withstand voltage | Phase to phase, phase to earth: 185kV; Primary isolating fracture: 215kV |
| Auxiliary control circuit 1 min power frequency withstand voltage | 2000V |
| Rated short circuit breaking current | 25kA, 31.5kA, 40kA |
| Rated short circuit closing current(peak value) | 63kA, 80kA, 100kA |
| Rated short time withstand current(4s) | 25kA, 31.5kA, 40kA |
| Rated peak value withstand current | 63kA, 80kA, 100kA |
| Rated voltage of control circuit | AC110V, 220V；DC110V, 220V |
| External dimensions (W*D*H) | 1400(1680)×2800(3000,3200)×2600 mm |
| Protection class | |
| When circuit breaker chamber door is closed | IP4X |
| When circuit breaker chamber door is opened | IP2X |
Test Report
