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The Static Transfer Switch (STS) is a cutting-edge switching solution designed for use in commercial and industrial energy storage systems. This system enables precise control of inverters, allowing seamless transitions between grid-tied and off-grid modes. In the event of a grid outage, the inverter seamlessly switches to off-grid mode, providing power to critical loads through solar panels or batteries. When grid power is restored, the inverter smoothly transitions back to grid-connected operation. The STS is versatile, supporting connections with generators and accommodating large loads such as heat pumps and motors. During grid-tied operation, the STS supports a maximum load capacity of 138kW (200A) for the backup interface. This robust solution ensures continuous and reliable power supply, offering flexibility and efficiency in energy management.
Paired with ET50 for UPS-level and off-grid switching
Supports the connection and control of large loads
IP66 ingress protection for outdoor installations
Supports control of diesel generators
OVERVIEW
Model
STS200-80-10
Nominal Output Voltage (V)
380 / 400, 3L / N / PE
Output Voltage Range (V)
176 ~ 276
Max. Apparent Power with Grid (VA)
138000
Ingress Protection Rating
IP65
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