
MP-UT Series 320/350kW | Three Phase String Inverter-6555
Discover the MP-UT Series 320/350kW: a powerhouse three‑phase string inverter built to maximize your solar energy harvest. With up to 15 MPPTs and support for 1500V DC input, it adapts effortlessly to any large‑scale PV design, even with bifacial modules. Smart features like string‑level monitoring and I‑V curve scans put O&M insights at your fingertips, reducing downtime and costs. Built tough with IP66 protection and optional C5 corrosion resistance, it delivers reliable performance in the harshest conditions. Ready to simplify utility‑scale solar and boost your yields—this inverter is your next smart move.
High‑Power, Intelligent & Reliable Utility‑Scale PV Inverter
The China Moneypro UT Series is a high‑performance three‑phase utility‑scale string inverter designed for large ground‑mounted solar power plants and utility PV projects. Featuring multiple MPPT inputs, wide input voltage range, advanced safety protections, and smart operations & maintenance features, the UT Series delivers consistent high performance, enhanced energy yields, and reliable operation even in harsh environments.
Designed for Maximum Energy Harvest
Flexible MPPT Architecture
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Offers configurations with up to 12 or 15 MPPTs, enabling precise tracking of diverse PV array orientations and shading conditions.
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1500 V maximum DC input voltage supports utility‑scale PV system design and reduces BOS costs.
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Higher per‑string current (up to 20 A) supports large format bifacial modules (e.g., 182 mm / 210 mm).
Benefits:
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Optimized PV energy harvesting and higher daily yields.
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Flexible PV string design for large installations.
Intelligent Monitoring & Smart O&M
Operational Awareness & Remote Management
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String‑level monitoring enables detailed performance insights and early detection of issues.
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Smart I‑V curve scan assists in proactive diagnostics and maintenance planning.
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High‑speed communication options (e.g., HPLC) reduce wiring complexity and support large‑site remote supervision.
Advantages:
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Lower O&M costs through remote diagnostics.
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Enhanced system visibility and performance tracking.
Robust Safety & Rugged Reliability
Built for Harsh Environmental Conditions
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IP66 ingress protection ensures durability against dust and water ingress; optional C5 corrosion protection is available for highly corrosive environments.
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Integrated Type II SPD on both DC and AC sides guards against lightning strikes and surge events.
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Designed to operate reliably across wide temperature ranges and extreme field conditions.
Benefits:
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Reliable long‑term operation in outdoor utility‑scale environments.
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High electrical safety and resilience against environmental stress.
Why Choose China Moneypro UT Series?
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Utility‑Grade Performance: Ideal for large ground‑mounted PV plants with high power output.
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Flexible MPPT Tracking: Up to 15 MPPTs for optimized array performance.
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High Input Compatibility: 1500 V DC and high string current support for modern large modules.
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Smart O&M Features: String‑level monitoring and smart diagnostics.
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Enhanced Safety: Robust ingress protection and SPD for grid‑connected reliability.
Typical Applications
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Utility‑Scale PV Power Plants: Large ground‑mounted grid‑tied solar installations.
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Commercial & Industrial Facilities: High‑capacity systems requiring reliable large inverters.
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Distributed Energy Projects: Multi‑site commercial solar integration.
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Energy Yield Optimization: Projects needing high MPPT flexibility and string monitoring.
FAQ – Common Questions
Q1: What MPPT configurations are available in the UT Series?
The China Moneypro UT Series supports configurations with 12 or 15 MPPTs, providing flexibility for diverse PV layouts.
Q2: What is the operating voltage range for the UT Series?
This series supports 1500 V maximum DC input voltage, making it suitable for utility‑scale PV systems.
Q3: What environmental protections are included?
The inverter offers IP66 ingress protection with optional C5 corrosion protection for harsh environments.
Q4: Does the series support advanced safety functions?
Yes — integrated Type II Surge Protection Device (SPD) on both DC and AC sides enhances safety and grid reliability.
Q5: Is the UT Series suitable for remote monitoring?
Yes — features like high‑speed communication (HPLC) and string‑level monitoring make remote system oversight and optimization possible.
Specifications
| Parameter | MP-GW320K‑UT | MP-GW320KH‑UT | MP-GW350K‑UT | MP-GW350KH‑UT |
|---|---|---|---|---|
| Input | ||||
| Max. Input Voltage (V) | 1500 | 1500 | 1500 | 1500 |
| MPPT Operating Voltage Range (V) | 480 ~ 1500 | 480 ~ 1500 | 480 ~ 1500 | 480 ~ 1500 |
| Start‑up Voltage (V) | 500 | 500 | 500 | 500 |
| Nominal Input Voltage (V) | 1160 | 1160 | 1160 | 1160 |
| Max. Input Current per MPPT (A) | 30 | 40 | 30 | 40 |
| Max. Short Circuit Current per MPPT (A) | 50 | 60 | 50 | 60 |
| Number of MPP Trackers | 15 | 12 | 15 | 12 |
| Number of Strings per MPPT | 2 | 2 | 2 | 2 |
| Output | ||||
| Nominal Output Power (kW) | 320 | 320 | 352 | 352 |
| Nominal Output Apparent Power (kVA) | 320 | 320 | 352 | 352 |
| Max. AC Active Power (kW) | 352 | 352 | 352 | 352 |
| Max. AC Apparent Power (kVA) | 352 | 352 | 352 | 352 |
| Nominal Output Voltage (V) | 800, 3L / PE | 800, 3L / PE | 800, 3L / PE | 800, 3L / PE |
| Output Voltage Range (V) | 640 ~ 920 | 640 ~ 920 | 640 ~ 920 | 640 ~ 920 |
| Nominal AC Grid Frequency (Hz) | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 |
| AC Grid Frequency Range (Hz) | 45 ~ 55 / 55 ~ 65 | 45 ~ 55 / 55 ~ 65 | 45 ~ 55 / 55 ~ 65 | 45 ~ 55 / 55 ~ 65 |
| Max. Output Current (A) | 254 | 254 | 254 | 254 |
| Power Factor | ~1 (Adjustable from 0.8 leading to 0.8 lagging) | ~1 (Adjustable from 0.8 leading to 0.8 lagging) | ~1 (Adjustable from 0.8 leading to 0.8 lagging) | ~1 (Adjustable from 0.8 leading to 0.8 lagging) |
| Max. Total Harmonic Distortion*¹ | < 1% | < 1% | < 1% | < 1% |
| Efficiency | ||||
| Max. Efficiency | 99.01% | 99.01% | 99.01% | 99.01% |
| European Efficiency | 98.80% | 98.80% | 98.80% | 98.80% |
| Protection | ||||
| PV String Current Monitoring | Integrated | Integrated | Integrated | Integrated |
| Internal Humidity Monitoring | Integrated | Integrated | Integrated | Integrated |
| PV Insulation Resistance Detection | Integrated | Integrated | Integrated | Integrated |
| Residual Current Monitoring | Integrated | Integrated | Integrated | Integrated |
| PV Reverse Polarity Protection | Integrated | Integrated | Integrated | Integrated |
| Anti‑islanding Protection | Integrated | Integrated | Integrated | Integrated |
| AC Overcurrent Protection | Integrated | Integrated | Integrated | Integrated |
| AC Short Circuit Protection | Integrated | Integrated | Integrated | Integrated |
| AC Overvoltage Protection | Integrated | Integrated | Integrated | Integrated |
| DC Switch | Integrated | Integrated | Integrated | Integrated |
| DC Surge Protection | Type II | Type II | Type II | Type II |
| AC Surge Protection | Type II | Type II | Type II | Type II |
| AFCI | Optional | Optional | Optional | Optional |
| Anti‑PID | Integrated | Integrated | Integrated | Integrated |
| PID Recovery | Integrated | Integrated | Integrated | Integrated |
| Reactive Power Compensation at Night | Integrated | Integrated | Integrated | Integrated |
| Power Supply at Night | Integrated | Integrated | Integrated | Integrated |
| I‑V Curve Scan | Optional | Optional | Optional | Optional |
| General Data | ||||
| Operating Temperature Range (°C) | -35 ~ +60 | -35 ~ +60 | -35 ~ +60 | -35 ~ +60 |
| Relative Humidity | 0 ~ 100% | 0 ~ 100% | 0 ~ 100% | 0 ~ 100% |
| Max. Operating Altitude (m) | 5000 (>4000 derating) | 5000 (>4000 derating) | 5000 (>4000 derating) | 5000 (>4000 derating) |
| Cooling Method | Smart Fan Cooling | Smart Fan Cooling | Smart Fan Cooling | Smart Fan Cooling |
| User Interface | LED, LCD (Optional), WLAN + APP | LED, LCD (Optional), WLAN + APP | LED, LCD (Optional), WLAN + APP | LED, LCD (Optional), WLAN + APP |
| Communication | RS485 or HPLC | RS485 or HPLC | RS485 or HPLC | RS485 or HPLC |
| Communication Protocols | Modbus RTU | Modbus RTU | Modbus RTU | Modbus RTU |
| Weight (kg) | 124.0 | 124.0 | 124.0 | 124.0 |
| Dimension (W × H × D mm) | 1120 × 810 × 368 | 1120 × 810 × 368 | 1120 × 810 × 368 | 1120 × 810 × 368 |
| Topology | Non‑isolated | Non‑isolated | Non‑isolated | Non‑isolated |
| Self‑consumption at Night (W) | <3 | <3 | <3 | <3 |
| Ingress Protection Rating | IP66 | IP66 | IP66 | IP66 |
| DC Connector*² | MC4 (4 ~ 10mm²) | MC4 (4 ~ 10mm²) | MC4 (4 ~ 10mm²) | MC4 (4 ~ 10mm²) |
| AC Connector | OT / DT terminal (Max. 400mm²) | OT / DT terminal (Max. 400mm²) | OT / DT terminal (Max. 400mm²) | OT / DT terminal (Max. 400mm²) |



