Zago Electric
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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, five-prevention interlock system, compartmentalized structure, IP4X protection, and independent pressure relief. With high interchangeability, low maintenance requirements, and robust safety features, it is widely utilized in power grids, substations, industrial plants, petrochemical facilities, infrastructure, and new energy projects. Fully compliant with IEC 62271 & GB standards.
| 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 | 1 min Power Frequency Withstand Voltage | kV | 42 / 48 (Isolation) | ||||
| 5 | Lightning Impulse Withstand Voltage | kV | 75 / 85 (Isolation) | ||||
| 6 | Rated Short-Circuit Breaking Current (RMS) | kA | 25 | 31.5 | 40 | ||
| 7 | Rated Peak Withstand Current | kA | 63 | 80 | 100 | ||
| 8 | Rated Short-Time Withstand Current (4s) | kA | 25 | 31.5 | 40 | ||
| 9 | Protection Level | - | IP4X | ||||
| 10 | Cabinet Height | mm | 2360 | ||||
* Note: Cabinet width can be customized to 650mm or 800mm based on specific current requirements and component selection.
