

-
Description
SMA Sunny Highpower PEAK3 FLEX-US-21 Solar Inverter (SHP X-US-21)
The SMA Sunny Highpower PEAK3 FLEX-US-21 (Model: SHP X-US-21) is a highly adaptable commercial-grade 3-phase solar inverter designed for flexible utility and repowering installations. It converts DC power from your solar array into AC electricity across an adjustable 200 to 660 Volts AC output range, delivering a flexible power rating from 52 kW up to 172 kW depending on grid voltage settings.
Engineered for best-in-class versatility, the PEAK3 FLEX provides a universal modular solution for both new utility-scale PV plants and the repowering of existing C&I solar arrays. Built for long-term reliability in severe outdoor environments, it supports adjustable AC currents up to 151 amps and operates within a wide 298 to 1,500 VDC panel input window.
Specifications:
- Adjustable AC Voltage Settings: 200-660 VAC
- Flexible Power Output: 52–172 kW, dependent on VAC
- 298–1500 VDC operating range dependent on VAC
- Adjustable AC Current: 0-151 amps
- DC Voltage Range: 298–1500 VDC
- MPPTs: 1
- Warranty: 5-year factory warranty (extended warranty options available)
-
Resources
Datasheet
✔️ Download Datasheet
Quick Installation Guide
✔️ Download Installation Guide
Warranty
✔️ 5-year warranty