GoodWe GW125K-STS-G10 125kW Static Transfer Switch

GoodWe GW125K-STS-G10 static transfer switch for C&I systems with 125kW rated power and up to 137.5kVA apparent power, supporting grid/backup switching, generator control and RS485.

GoodWe GW125K-STS-G10 is a high-power static transfer switch for commercial and industrial energy storage systems, designed for compatible GoodWe ET 80/99.99/100kW hybrid inverters.

Key Specifications

  • Rated power: 125kW (75kW at 220V)
  • Max. apparent power: 137.5kVA (75kVA at 220V)
  • Rated / max. current: 210A
  • Nominal frequency: 50 / 60Hz
  • On/off-grid transfer time: <10ms
  • Communication: RS485
  • Operating temperature: -35 to +60°C
  • Weight: 21kg
  • Dimensions: 680 × 620 × 165 mm
  • Ingress protection: IP54

Provides fast grid-to-backup transfer and supports diesel-generator control and large-load connection in compatible GoodWe C&I systems.

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