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Inverters · Commercial Hybrid Inverter

STH 15–33 kW

Higher-power hybrid inverter family for commercial PV and storage projects.

STH 15–33 kW Commercial Hybrid Inverter
15–33 kW

Product family overview

Higher-power hybrid inverter family for commercial PV and storage projects.

Available models

STH-15KTL-HTSTH-17KTL-HTSTH-20KTL-HTSTH-25KTL-HTSTH-29.9KTL-HTSTH-30KTL-HTSTH-33KTL-HT

Key technical highlights

01Up to 98.2% maximum efficiency
02200–800 V battery range
03Three-phase output
04IP65

Hybrid inverter selection context

Confirm grid phase, AC power, PV input window, battery-voltage range, on-grid or off-grid operation, monitoring and the applicable grid-code or certification requirements.

Read the full selection guide →

Specifications are based on the supplied product catalogue. Confirm final configuration, compatibility and certification requirements before ordering.

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PRODUCT FAMILY FAQ

Questions about STH 15–33 kW.

What is the STH 15–33 kW?

Higher-power hybrid inverter family for commercial PV and storage projects. The published product-family range is 15–33 kW.

Which models are listed in the STH 15–33 kW family?

The listed models are STH-15KTL-HT, STH-17KTL-HT, STH-20KTL-HT, STH-25KTL-HT, STH-29.9KTL-HT, STH-30KTL-HT, STH-33KTL-HT.

What should be confirmed before selecting STH 15–33 kW?

Confirm the required power and energy, electrical compatibility, communications, installation conditions, quantity and destination-market certification requirements before ordering.

Can I request a quotation for STH 15–33 kW?

Yes. Use the project enquiry form and include the intended application, required configuration, quantity, destination market and timeline.

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