Description
SMA Sunny Highpower SHP 125-US-21 String Inverter: Maximizing Solar Energy Efficiency
In the ever-expanding landscape of renewable energy, SMA has cemented its position as a pioneer with over 40 years of industry-leading expertise. With the introduction of the SMA Home Energy Solution, SMA continues to revolutionize the solar industry, offering installers and homeowners cutting-edge technology to harness the power of the sun.
At the forefront of this innovation is the SMA SHP 125-US-21 Sunny Highpower PEAK3 String Inverter. Designed to accelerate large-scale installation speed, the PEAK3 inverter embodies pure power with its compact design, offering maximum power density at minimum weight. This results in reduced transportation costs and simplified installation, making it the ideal choice for ground-mount projects.
Superior Economics and Efficiency
One of the standout features of the PEAK3 inverter is its ability to achieve superior economics in ground-mount projects with 480 VAC interconnections. SMA offers the ONLY 1,500 VDC inverter capable of interconnecting at 480 VAC without additional equipment, ensuring the most cost-effective solution and highest energy production for large-scale projects.
Safety and Reliability
Safety and reliability are paramount considerations in solar installations, and the PEAK3 inverter delivers on both fronts. Engineered for maximum yield and optimal plant availability, the PEAK3 inverter minimizes potential error sources and maximizes efficiency. Field-proven OptiCool™ active cooling technology ensures reliable, long-term operation, providing peace of mind to installers and homeowners alike.
Flexibility in Plant Design
Flexibility is another key feature of the PEAK3 inverter, offering easily scalable plant design options. The decentralized system layout, combined with the central inverter concept, allows for efficient planning and easy expansion of large-scale solar plants, even on irregular terrain. With a modular approach, projects can be scaled in terms of both power and function, offering maximum flexibility in plant design.
Technical Specifications and Advanced Features
Technical specifications of the SMA SHP 125-US-21 inverter include a maximum array power of 250 kWp, maximum system voltage of 1500 Vdc, and a nominal AC power of 125 kW. With a CEC efficiency of 98.5% and advanced grid support capabilities, the PEAK3 inverter offers unparalleled performance and reliability.
Installation and maintenance of the PEAK3 inverter are streamlined with features like LED indicators, SMA Speedwire Ethernet network interface, and integrated plant control. Monitoring is made easy with SMA Sunny Portal and Smart Connected remote O&M service, offering real-time insights and diagnostics.
Certifications and Warranty
Certified to meet industry standards and backed by a 5-year warranty, with optional extensions available up to 25 years, the SMA SHP 125-US-21 Sunny Highpower PEAK3 String Inverter is the ultimate choice for large-scale solar projects. Experience the power of solar with SMA and unlock the full potential of renewable energy.
| Input PV (DC) | |
|---|---|
| Maximum array power | 250 kWp |
| Maximum system voltage | 1500 Vdc |
| Rated MPP voltage range | 705 V – 1450 V |
| MPPT operating voltage range | 684 V – 1500 V |
| MPP trackers | 1 |
| Maximum operating input current | 180 A |
| Maximum input short-circuit current | 325 A |
| Output (AC) | |
| Nominal AC power | 125 kW |
| Maximum apparent power | 125 kVA |
| Output phases / line connections | 3 / 3-PE |
| Nominal AC voltage | 480 V |
| Compatible transformer winding configuration | Wye-grounded |
| Maximum output current | 151 A |
| Rated grid frequency | 60 Hz |
| Grid frequency / range | 50 Hz, 60 Hz / -6 Hz … +6 Hz |
| Power factor at rated power / adjustable displacement | 1 / 0.8 leading … 0.8 lagging |
| Harmonics (THD) | <3% |
| Efficiency | |
| CEC efficiency | 98.5% |
| Protection and Safety Features | |
| Ground fault monitoring: Riso / Differential current | ● / ● |
| DC reverse polarity protection | ● |
| AC short circuit protection | ● |
| Monitored surge protection (Type 2): DC / AC | ● / ● |
| Protection class / overvoltage category (as per UL 840) | I / IV |
| General Data | |
| Device dimensions (W / H / D) | 770 / 830 / 462 mm (30.3 / 32.7 / 18.2 in) |
| Device weight | 99 kg (218 lbs) |
| Operating temperature range | -25°C … +60°C (-13°F … +140°F) |
| Storage temperature range | -40°C … +70°C (-40°F … +158°F) |
| Audible noise emission (full power @ 1m and 25°C) | < 69 dB(A) |
| Internal consumption at night | < 5 W |
| Topology | Transformerless |
| Cooling concept | OptiCool (forced convection, variable speed fans) |
| Enclosure protection rating | Type 4X |
| Maximum permissible relative humidity (non-condensing) | 100% |
| Additional Information | |
| Mounting | Rack mount |
| DC connection | Terminal lug (up to 600 kcmil CU/AL) |
| AC connection | Screw terminal (up to 300 kcmil CU/AL) |
| LED indicators (Status/Fault/Communication) | ● |
| SMA Speedwire (Ethernet network interface) | ● (2 x RJ45 ports) |
| Data protocols: SMA Modbus / SunSpec Modbus | ● / ● |
| Integrated Plant Control / Q on Demand 24/7 | ● / ● |
| Off-grid capable / SMA Hybrid Controller compatible | — / ● |
| Monitoring | |
| SMA Sunny Portal (monitoring portal) | No cost for the lifetime of the system |
| SMA Smart Connected (monitoring and remote O&M service) | No cost on inverters under warranty |
| Supported protocols for outbound data | SMA external API, Modbus, FTP |
| Certifications | |
| Certifications and approvals (pending) | UL 62109, UL 1998, CAN/CSA-C22.2 No.62109 |
| Manufacturer’s Declaration of Design Life | 25 years |
| FCC compliance | FCC Part 15, Class A |
| Grid interconnection standards | IEEE 1547:2018, UL 1741-SA – CA Rule 21, HECO Rule 14H, UL1741SB |
| Advanced grid support capabilities | L/HFRT, L/HVRT, Volt-VAr, Volt-Watt, Frequency-Watt, Ramp Rate Control, Fixed Power Factor |
| Warranty | |
| Standard | 5 years |
| Optional extensions | 10 / 15 / 20 / 25 years |
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Great Grid Tie Inverter, recommended