Zago Electric
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KYN28-12 Metal-clad Drawout Switchgear
The KYN28-12 is a 12kV indoor metal-clad withdrawable switchgear designed for 3.6–12kV AC power systems. It features a mid-mounted withdrawable truck, a robust five-prevention interlock system, and a compartmentalized structure. With IP4X protection and independent pressure relief channels, it ensures maximum safety for operators and equipment.
| No. | Item | Unit | Technical Parameters | ||||
|---|---|---|---|---|---|---|---|
| 1 | Rated Voltage | kV | 12 | ||||
| 2 | Rated Frequency | Hz | 50 | ||||
| 3 | Rated Current | A | 630 | 1250 | 1600 | ||
| 2500 | 3150 | 4000 | |||||
| 4 | Rated Short-Circuit Breaking Current (RMS) | kA | 25 | 31.5 | 40 | ||
| 5 | Rated Short-Circuit Making Current (Peak) | kA | 63 | 80 | 100 | ||
| 6 | Rated Short-Time Withstand Current (RMS) | kA | 25 | 31.5 | 40 | ||
| 7 | Rated Short-Circuit Duration | s | 4 | ||||
| 8 | Degrees of Protection | - | IP4X | ||||
| 9 | Cabinet Height | mm | 2360 | ||||
Note: 1) When using solid-insulated pole-type circuit breakers for 1250A and below, the cabinet width can be reduced to 650mm. For specific lifting busbar schemes, the width can be 600mm.
