STS (Static Transfer Switch)

The GoodWe Static Transfer Switch (STS) is a cutting-edge switching solution designed for large on-grid systems, ensuring UPS-level reliability for critical applications. When paired with the GoodWe 50kW ET inverter, it enables seamless transitions between grid and backup power to keep vital operations running without interruption

Key Features

  • Seamless Switching: <10ms transfer time between grid and backup.
  • High Load Capacity: Supports up to 138kW (200A) at the backup interface.
  • Versatile Integration: Compatible with diesel generators and large inductive loads (e.g., motors, pumps).
  • Outdoor Ready: IP65 ingress protection for reliable performance in all environments.
  • Intelligent Control: RS485 communication with inverter for real-time monitoring.

Technical Specifications

  • Nominal Voltage: 380 / 400V, 3L / N / PE
  • Frequency: 50/60Hz (range 45–65Hz)
  • Nominal / Max Power: 50kVA / 55kVA (per inverter side)
  • Backup Power: Up to 138kVA with grid
  • Switch Time: <10ms
  • Operating Temperature: –35°C to +60°C
  • Dimensions: 510 × 425 × 156 mm
  • Weight: 16.5 kg

 

 

Download Data Sheet: PDF File

Contact for Query: +92-326-8342399

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