SMA 25kW Sunny Tripower 3-Phase String Inverter 480V X STP 25-US-50
MPN No: STP-X-25-US-50
Expected ship date Mar 11 - 18
In Stock
4,639.99
-12%
$4,051.12
Sale
SMA 25kW Sunny Tripower 3-Phase String Inverter 480V X STP 25-US-50
SMA 25kW Sunny Tripower 3-Phase String Inverter 480V X STP 25-US-50
Regular price
$4,639.99
-12%
$4,051.12
13% OFF
LESS THAN 50
Sale
SMA 25kW Sunny Tripower 3-Phase String Inverter 480V X STP 25-US-50
SMA 25kW Sunny Tripower 3-Phase String Inverter 480V X STP 25-US-50
Available
MPN No: STP-X-25-US-50
Regular price
$4,639.99
-12%
$4,051.12
Expected ship date Mar 11 - 18
We offer multiple secure payment options for your convenience
We offer multiple secure payment options for your convenience
Data Sheet
Regular price
$4,639.99
-12%
$4,051.12
SMA 25kW Sunny Tripower 3-Phase String Inverter 480V X STP 25-US-50
MPN No:
STP-X-25-US-50
Expected ship date Mar 11 - 18
Sale
SMA 25kW Sunny Tripower 3-Phase String Inverter 480V X STP 25-US-50
The **SMA STP-X-25-US-50** is a high-performance commercial and large residential three-phase string inverter from SMA’s Sunny Tripower X series. Built for demanding PV systems, it delivers reliable grid-tie conversion, intelligent energy management, and advanced safety features—all in a rugged, outdoor-ready enclosure.
Key Technology
-
Three Independent MPPT Trackers
Supports multiple array orientations and shade-tolerant designs for maximum PV harvest. -
Integrated System Manager (ennexOS)
Monitoring and control of up to five SMA inverters and one energy meter via Sunny Portal and SMA Dynamic Power Control. -
SMA ShadeFix & ArcFix
Increases yield under partial shading and enhances safety with arc-fault detection. -
Wide DC Input Range
Flexible PV design with a wide operating voltage span and high input current capability. -
Advanced Grid Compliance
Supports dynamic active/reactive power control and modern grid-support functions.
Best Uses
-
Commercial PV Systems
Designed for rooftops, carports, warehouses, and other commercial installations. -
Large Residential Sites
Ideal for large homes or multi-unit systems requiring 25 kW of AC output. -
Utility-Interactive Projects
Three-phase grid connectivity with advanced power management for professional systems.
Warranty & Safety
- Manufacturer Warranty: Standard 5 years (upgradeable to 10/15/20 yrs)
- Safety Features: Integrated DC disconnect, arc-fault circuit interrupter (AFCI), residual-current monitoring unit :
- Certifications: SunSpec Modbus, rapid shutdown compliant, grid-support functions
Product Specifications
| Specification | Details |
|---|---|
| Manufacturer | SMA Solar Technology AG |
| Model | Sunny Tripower X 25-US-50 (STP-X-25-US-50) |
| Nominal AC Output Power | 25 kW (25,000 W) |
| AC Output | Three-phase, 480 V / 277 V |
| Maximum DC Input Power | 37.5 kW (37,500 W) |
| Maximum DC Voltage | 1000 V |
| MPPT Trackers | 3 independent |
| Strings per MPPT | 2 per tracker |
| MPP Voltage Range | ≈ 430 – 800 V |
| Maximum Input Current per MPPT | 24 A |
| Maximum Short-Circuit Current per MPPT | 37.5 A |
| Efficiency (EU / CEC) | ≈ 98 % / ≈ 98 % |
| Enclosure Rating | IP65 Outdoor-ready |
| Noise Emission | ≈ 59–65 dB(A) |
| Dimensions (W × H × D) | 28.66 × 30.00 × 10.47 in |
| Weight | 77.16 lb |
| Cooling | OptiCool forced convection with variable speed fans |
| Communication | Ethernet, WLAN (Wi-Fi) |
| Data Protocols | SMA Modbus / SunSpec Modbus / Speedwire |
| DC Connection | Amphenol H4 Plus |
| AC Connection | Spring-cage terminals |
About SMA:
SMA Solar Technology AG is a German renewable energy technology company and a global leader in photovoltaic inverters and energy management products, with a broad portfolio of grid-tie and storage-ready solutions for residential, commercial, and utility systems.
Commercial-Grade Inverter with Smart Energy Management
The SMA Sunny Tripower X 25-US-50 combines robust three-phase grid support, high efficiency, advanced system management, and enhanced safety features in a single platform—making it a strong choice for commercial solar installations aiming for high yields and long-term reliability.
Why Buy From US Solar Supplier
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Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.
Need Assistance?
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FAQ
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