Power your commercial facility with uninterrupted backup transition. The GoodWe STS200-80-10 is an industrial-grade 200A Static Transfer Switch designed to work in tandem with GoodWe high-power commercial hybrid inverters (such as the ET 15–50kW Series).

Engineered to manage large-scale commercial loads and backup switching, this unit automatically shifts power sources during a grid failure in less than 10 milliseconds, ensuring zero operational downtime for essential machinery, servers, heat pumps, and heavy equipment. It also features dedicated relay terminals to seamlessly integrate diesel generators or supplementary PV inverters into your energy ecosystem.

Key Features:
• Ultra-Fast UPS-Level Switching: Under 10ms transfer speed between grid supply and off-grid backup mode.
• High-Power Capacity: Handles up to 138,000 VA (138kW) maximum apparent power through the grid bypass port.
• Generator & Auxiliary Input: Dedicated 90A relay connection for integrating backup generators or secondary PV systems.
• Seamless Inverter Integration: Designed specifically for seamless RS485 communication with GoodWe commercial hybrid inverters.
• Passive Maintenance-Free Cooling: Fanless natural convection design reduces sound and long-term hardware wear.
• IP65 Weatherproof Enclosure: Wall-mountable design protected against dust, water spray, and harsh commercial environments.

Technical Specifications:
• Model: STS200-80-10
• Nominal Grid Voltage: 380 V / 400 V, 3L / N / PE (Three-Phase)
• Max. Grid Current: 200 A
• Max. Apparent Power (Grid Available): 138,000 VA
• Nominal Inverter / Backup Power: 50,000 VA (55,000 VA max off-grid)
• Transfer Time: < 10 ms
• Generator Side Nominal Relay Current: 90 A
• Communication Interface: RS485
• Protection Rating: IP65
• Cooling: Natural Convection
• Dimensions & Weight: 510 × 425 × 156 mm | 16.5 kg