STS
D-STS250/500/1000-S
- Ultra-Fast Seamless Switching
- On-/off-grid switching time less than 20 ms, delivering UPS-grade uninterruptible protection
- Built-in bypass switch structure ensures continuous power supply to critical loads
- Standard 1 kVA UPS configuration guarantees stable operation of the control system
- Flexible Multi-Unit Paralleling
- Supports parallel connection of up to 6 energy storage cabinets, with total power up to 750 kW
- Maximum grid-side current of 1600 A per cabinet, capable of carrying high-power load接入
- Reliable Safety Protection
- Integrated AC Type II surge protection, fully defending against grid transients
- IP54 high protection rating, suitable for harsh industrial environments
- Meter accuracy class 0.5S, ensuring precise and reliable energy metering and billing
- Intelligent O&M Management
- Smart air-cooling thermal strategy, dynamically adjusting to temperature and load conditions
- Supports multiple communication protocols including RS485 and Modbus TCP/IP
- Operating temperature range from -25°C to 55°C, usable at altitudes up to 3000 meters
Specifications
Electrical Parameters
| Model No. | D-STS250-S | D-STS500-S | D-STS1000-S | |
|---|---|---|---|---|
| STS Capacity | kW | 1*250 | 1*500 | 2*500 |
| Max. Number of ESS-side Units Connected | units | 2 | 4 | 6 |
| Max. ESS-side Current | A | 2*250 | 4*250 | 6*250 |
| ESS-side Rated Power | kW | 2*125 | 4*125 | 6*125 |
| Number of Grid Connection Ports | 1 | |||
| Max. Grid-side Current | A | 500 | 800 | 1600 |
| Rated Voltage | V | 400 | ||
| Grid Voltage Range | V | 400V±15% | ||
| Grid Type | 3W+N+PE | |||
| Rated Frequency | Hz | 50/60 | ||
| On-grid/Off-grid Switching Time | ms | <20 | ||
| Max. Current of PV and Load Ports | A | 250 | 630 | 800 |
| Recommended Max. PV Inverter Power | kW | 170 | 430 | 550 |
| Recommended Max. Load Power | 70% × ESS Power | |||
Auxiliary Equipment Parameters
| Maintenance Socket | A | Standard, 16 | ||
| UPS | Standard (1kVA) | |||
| Surge Protection | AC Type II | |||
| Meter Accuracy | 0.5S | |||
Mechanical Parameters
| Model No. | D-STS250-S | D-STS500-S | D-STS1000-S | |
|---|---|---|---|---|
| Dimensions (W×D×H) | mm | 800×1450×2350 | 1000×1450×2350 | 1200×1450×2350 |
Environmental Parameters
| Altitude | m | 3000 (derating above 2000) | ||
| Ambient Temperature | ℃ | -25~55 (derating above 45) | ||
| Humidity | 0~95%RH, non-condensing | |||
| Cooling Method | Smart Air Cooling | |||
| Protection Rating | IP54 | |||
Communication
| Communication Interface | RS485, Modbus TCP/IP | |||
Version Information
| Datasheet Version | Version 1.0 | |||