STS200/400/600 Series Static Transfer Switch Modules
At a glance
The STS200/400/600 series static transfer switch modules are high-speed transfer switch modules developed for small and medium-sized energy storage plus backup microgrids. They support seamless on-grid/off-grid transfer with a transfer time of <20 ms and comply with the on-grid/off-grid transfer standards of multiple countries.
Key Features
- Switching time <20ms
- Seamless on-grid/off-grid switching
- Grid-side/load-side detection
- Supports switching standards of multiple countries
- Integrated LocalEMS
- Multiple communication interfaces (RS485/CAN/4G)
Product Description
The STS200/400/600 series static transfer switch modules support seamless on-grid/off-grid transfer and feature grid-side/load-side voltage, current and power measurement. An LocalEMS is integrated inside, and multiple communication interfaces such as RS485×3, Modbus TCP, CAN and 4G are supported. They are suitable for PV-storage microgrids, backup power supplies, emergency power supplies, diesel-storage and other scenarios.Specifications
| Model | STS200 / STS400 / STS600 |
|---|---|
| Rated Power | 200KW / 400KW / 600KW |
| AC Voltage (Range) | 400V/230V (-20%~+15%) |
| Frequency Range | 50Hz/60Hz (±5Hz) |
| Maximum AC Power | 220KVA / 400KVA / 600KVA |
| Maximum AC Current | 330A / 660A / 1000A |
| Switching Time | <20ms |
| Harmonic Detection | YES |
| Communication Ports | RS485×3 / modbus TCP / CAN / 4G |
| DIDO | DI: 2 channels / DO: 2 channels |
| Protection Rating | IP20 (core control section IP5X) |
| Dimensions (W*L*H) | STS200: 440*420*360mm; STS400/STS600: 650*420*360mm |
| Weight | STS200: 35kg; STS400/STS600: 63kg |
| Operating Temperature | -30~60℃ |
| Humidity | 0~100% |
| Cooling Method | Intelligent forced air cooling |
| Altitude | 4000m (derated above 2000m) |
| Protection Functions | Over-temperature protection, over-current protection, over-voltage protection, ground short-circuit protection |
| Core Features | Integrated LocalEMS, seamless switching, grid-side/load-side voltage and current detection, support for multi-country grid-connected/off-grid switching standards |
| Application Scenarios | Commercial and industrial energy storage + emergency backup power, PV-storage-diesel small microgrid, mobile energy storage, PV-storage charging station |
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Application Cases & Scenarios
