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Utility-Scale String Inverter | 1500 VDC System | 480 VAC Output
98.5%
CEC Efficiency
25 yr
Design Life
125 kVA
Max Power
The SMA Sunny Highpower PEAK3 125-US-21 delivers industry-leading efficiency for utility-scale solar installations. With high power density and compact rack-mount design, this string inverter maximizes energy harvest while minimizing installation footprint and balance-of-system costs.
| Model | SHP 125-US-21 (MPN: 3-125-1500-2-21) |
| AC Output Power | 125 kW / 125 kVA @ 480 VAC |
| Max DC Voltage | 1500 VDC |
| MPPT Configuration | 1× MPPT |
| MPP Voltage Range | 705–1450 V (rated), 684–1500 V (operating) |
| CEC Efficiency | 98.5% |
| Enclosure Rating | Type 4X (outdoor) |
| Cooling System | OptiCool (variable-speed forced convection) |
| Installation | Rack-mount |
✓ UL 1741 SA/SB Certified | ✓ IEEE 1547-2018 Compliant | ✓ Rule 21 | ✓ CA SGIP Eligible
⏱ Lead Time: In Stock | Typical delivery: 4-10 days
Contact us for current availability and project pricing.
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