STS Box

Static Transfer Switch (STS)

For commercial and industrial energy storage systems.
Ensures continuous and reliable power supply and offers flexibility and efficiency in energy management.
STS Box enables precise control of inverters, providing seamless transitions between grid-connected operation and off-grid mode.

• Model: STS200-80-10
• Maximum output power: 138 kW
• Combine with ET 50kW for UPS level and off-grid switching (<10ms)
• One STS box per ET40/50 inverter
• Supports connection of large loads
• Supports control of diesel generator (12V relay)
• IP65
• Warranty: 5 years