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Model STP50-US-41 | 6 MPPT | 98.1% Efficiency | IP65/NEMA 4X | 10-Year Warranty
The SMA Sunny Tripower CORE1 50.0 kW 3-Phase Inverter (Model STP50-US-41) is a commercial-grade, free-standing inverter designed for rooftops, carports, ground-mounted systems, and repowering legacy installations. Delivering up to 50 kW AC output and supporting PV arrays up to 75 kWp, the CORE1 enables DC oversizing up to 150% for maximum energy harvest and system flexibility.
Six Independent MPPT Channels: Features six independent MPPT channels with two strings each, maximizing energy harvest in shaded or complex array layouts for optimal system performance.
High DC Oversizing Capability: Supports PV arrays up to 75 kWp with DC oversizing up to 150%, enabling greater energy production and system design flexibility.
Peak Efficiency of 98.1%: Delivers industry-leading efficiency with active OptiCool cooling technology for long-term reliability and maximum energy conversion.
Comprehensive Safety Features: Includes integrated DC and AC disconnects, UL 1699B arc-fault circuit protection (AFCI), and SunSpec PLC rapid shutdown compliance for safe operation.
Advanced Connectivity: Built-in Wi-Fi, Ethernet, RS-485, and Smart Inverter Screen with QR-code access simplify commissioning and monitoring. Compatible with ennexOS and Modbus protocols.
The Sunny Tripower CORE1 converts DC power from solar panels into grid-compliant AC power with exceptional efficiency. Its free-standing design and advanced features make it ideal for commercial solar installations.
ShadeFix Optimization: Integrated ShadeFix technology continuously optimizes energy harvest even under partial shading conditions, maximizing system output throughout the day.
SMA Smart Connected: Remote monitoring service provides proactive system oversight, enabling quick identification and resolution of performance issues for maximum uptime.
OptiCool Active Cooling: Advanced thermal management system maintains optimal operating temperatures with silent operation below 65 dB(A), ensuring reliability across a wide temperature range.
| Manufacturer | SMA Solar Technology |
| Model Number | STP50-US-41 |
| Series | Sunny Tripower CORE1 |
| AC Output Power | 50 kW |
| Max. PV Array Power | 75 kWp (150% DC Oversizing) |
| Phase | 3-Phase |
| Peak Efficiency | 98.1% |
| MPPT Channels | 6 Independent (2 Strings Each) |
| Enclosure Rating | IP65 / NEMA 4X |
| Cooling | OptiCool Active Cooling |
| Noise Level | <65 dB(A) |
| Operating Temperature | -25°C to +60°C |
| Communication | Wi-Fi, Ethernet, RS-485, Modbus |
| Dimensions (W × H × D) | 24.4 × 28.8 × 22.4 in (without feet) |
| Weight | ~185 lb |
| Warranty | 10 Years (Extendable to 20 Years) |
Safety: UL 1699B AFCI, SunSpec PLC Rapid Shutdown Compliant
Features: Integrated DC/AC Disconnects, ShadeFix, SMA Smart Connected
Compatibility: ennexOS, Modbus Protocols
Warranty: 10 Years Standard (Extendable to 20 Years)
● Available | Contact us for lead time and pricing
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