
Overview of High-Voltage Soft Starter Cabinet
Juxing Power’s high-voltage soft starter cabinet is a professional electrical device designed to smoothly start and control high-voltage motors (3kV-10kV). It effectively reduces the inrush current during motor startup, avoids grid voltage fluctuations, minimizes mechanical impact on equipment (e.g., pumps, fans, compressors), and extends the service life of motors and connected loads. Equipped with intelligent protection functions (overcurrent, overvoltage, undervoltage, phase loss, etc.), it is widely applied in industries such as power, metallurgy, petrochemicals, water treatment, and mining.
Technical Parameters
| Parameter Item | Specification |
|---|---|
| Applicable Voltage Grade | 3kV, 6kV, 10kV (customizable for special grades) |
| Rated Working Current | 50A-800A (matched with motor power) |
| Applicable Motor Power | 220kW-5000kW (3kV), 400kW-10000kW (6kV/10kV) |
| Soft Start Time | 1s-300s (adjustable) |
| Start Voltage Adjustment Range | 30%-95% of rated voltage |
| Protection Functions | Overcurrent; overvoltage; undervoltage; phase loss; overload; overheating; short circuit |
| Cooling Method | Air cooling / Water cooling (optional for high-power models) |
| Working Environment | Temperature: -10℃~40℃; Humidity: ≤90% (non-condensing); Altitude: ≤1000m (derating above) |
| Protection Grade | IP30 (cabinet body); IP20 (control part) |
