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MP-15??20kW SG15/17/20RT-P2 Threee-phase String Inverter-9823

MP-15??20kW SG15/17/20RT-P2 Threee-phase String Inverter-9823

3-Phase String Inverter

Equipped with a 160–1000V wide MPPT voltage range, the SGRT-P2 starts producing power earlier in the day and continues operating later, maximizing energy capture. With support for high-power modules (16A single string input current) and a maximum input voltage of 1100V, the inverter ensures broad panel compatibility and higher overall yield.

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Smarter Solar for a Greener Future

Medium to large commercial PV installations often face challenges such as limited daily generation, safety risks from arc faults, complex installation, and maintenance-intensive systems. Without optimized inverter technology, these issues can reduce overall energy yield and increase operational costs.

The China Moneypro SG15/17/20RT-P2 3-Phase String Inverter addresses these challenges with intelligent design, high-efficiency conversion, and integrated safety features, providing a reliable and productive solar solution for commercial and industrial rooftops.

Optimize Daily Energy Generation

Capture more sunlight, longer operating hours

Equipped with a 160–1000V wide MPPT voltage range, the SGRT-P2 starts producing power earlier in the day and continues operating later, maximizing energy capture. With support for high-power modules (16A single string input current) and a maximum input voltage of 1100V, the inverter ensures broad panel compatibility and higher overall yield.

User-focused benefits:

  • Longer daily production hours

  • Higher kWh output from the same system size

  • Compatibility with a wide range of PV modules

  • Consistent and predictable energy generation

Advanced Safety for Commercial Systems

AFCI protection and rapid fault response

The inverter features AFCI 2.0 for detecting arc faults and shutting down within 0.2 seconds, protecting both personnel and equipment. It effectively covers cable runs up to 200 meters, preventing potential fire hazards and electrical accidents.

Operational advantages:

  • Quick string-level fault isolation

  • Reduced fire and electrical risks

  • Safer installation and operation environment

  • Compliance with commercial safety standards

Built to Withstand Harsh Environments

Durable design for uninterrupted power

The SGRT-P2 incorporates IP65/C5 protection against water, dust, and corrosion. Built-in Type II DC & AC surge protection safeguards against lightning strikes and voltage spikes, ensuring reliable operation in demanding conditions.

Benefits for users:

  • Stable performance under extreme weather

  • Lower maintenance and downtime

  • Longer operational life

  • Ideal for coastal and industrial sites

Easy Installation and Fast Commissioning

Lightweight and modular for efficiency

Weighing only 22kg and designed in A2 paper size, a single technician can install the inverter quickly. The modular plugger and auto-initialization design reduce cabling time and accelerate system start-up, saving labor and reducing commissioning costs.

Advantages:

  • Quick and simplified installation

  • Minimal workforce required

  • Reduced wiring complexity

  • Faster system activation and commissioning

  • Easier long-term servicing

Smart Monitoring and Remote Management

Full control from anywhere

Integrated with iSolarCloud, operators can monitor system performance, track energy output, and receive alerts remotely. Real-time data helps optimize performance, schedule maintenance proactively, and reduce unplanned downtime.

Practical benefits:

  • Remote monitoring via phone or PC

  • Instant alerts for faults and performance issues

  • Reduced on-site maintenance visits

  • Optimized plant efficiency and uptime

Applications

Commercial & Industrial Rooftops

Ideal for factories, warehouses, and office buildings requiring 15–20kW three-phase inverters for maximum yield and reliability.

Multi-Module High-Power PV Systems

Supports a wide range of module types for versatile system configurations.

Harsh or Dusty Environments

IP65/C5 protection and self-cleaning airflow design reduce maintenance and maintain cooling efficiency.

Medium-Sized Commercial Ground-Mount Systems

Perfect for distributed systems that require longer operation hours and higher energy capture.

FAQ – Everything You Need to Know

Q1: What system sizes is the SG15/17/20RT-P2 suitable for?
It covers 15–20kW commercial and industrial three-phase PV systems.

Q2: How does it increase energy yield?
Wide MPPT range and high-current string input enable longer daily operation and more kWh output.

Q3: How quickly does it respond to arc faults?
AFCI 2.0 ensures shutdown in 0.2 seconds, protecting both equipment and personnel.

Q4: Can it withstand harsh outdoor conditions?
Yes. IP65/C5 rating and built-in surge protection ensure stability in dust, water, and corrosive environments.

Q5: Is remote monitoring possible?
Absolutely. iSolarCloud enables full system monitoring, alerts, and management from any device.

Why Choose China Moneypro

China Moneypro delivers high-efficiency, durable, and safe solar solutions for medium to large commercial installations. The SG15/17/20RT-P2 is perfect for anyone seeking a 15–20kW three-phase commercial string inverter, high-efficiency PV inverter with remote monitoring, or durable inverter for C&I rooftops—ensuring optimized energy production, simplified maintenance, and long-term reliability.

Specifications

Type designation SG15RT-P2SG17RT-P2SG20RT-P2
Input (DC)
Recommended max. PV input power 22.5 kWp 25.5 kWp 30 kWp
Max. PV input voltage* 1100 V **
Min. PV input voltage / Startup input voltage 160V / 180V
Rated input voltage 600 V
MPPT operating voltage range*** 160 V – 1000 V
No. of independent MPP trackers 2
No. of PV strings per MPPT 2 / 2
Max. PV input current 64 A ( 32 A / 32 A )
Max. DC short-circuit current 80 A ( 40 A / 40 A )
Output (AC)
Rated AC output power 15000 W 17000 W 20000 W
Max. AC output apparent power 16500 VA**** 18700 VA**** 22000 VA****
Rated AC output apparent power 16500 VA**** 18700 VA**** 22000 VA****
Max. AC output current 25.0 A 28.3 A 31.9 A
Rated AC voltage 3 / N / PE, 220 / 380 V

3 / N / PE, 230 / 400 V

3 / N / PE, 240 / 415 V
AC voltage range 175 V – 276 V / 304 V – 478 V
Rated grid frequency / Grid frequency range 50 Hz / 45 Hz – 55 Hz

60 Hz / 55 Hz – 65 Hz
Harmonic (THD) < 3 %  ( at rated power )
Power factor at rated power / Ajustable power factor > 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / AC connection 3 / 3-PE
Effciency
Max. effciency 98.30 %
European effciency 97.90 %
Protection & function
Grid monitoring Yes
DC reverse polarity protection Yes
AC short-circuit protection Yes
Leakage current protection Yes
Surge protection DC Type II / AC Type II
DC switch Yes
Arc fault circuit interrupter (AFCI) Yes
PID recovery function Yes
Optimizer compatbility ***** Optional
General data
Dimensions (W*H*D) 370 mm * 480 mm * 195 mm
Weight 22 kg
Mounting method Wall-mounting bracket
Topology Transformerless
Degree of protection IP65
Operating ambient temperature range -25 ℃ to 60 ℃
Allowable relative humidity range (non-condensing) 0 % – 100 %
Cooling method Smart forced air cooling
Max. operating altitude 4000 m
Display LED
Communication WLAN / Ethernet / RS485 / DI / DO
DC connection type MC4 ( Max. 6 mm² )
AC connection type Plug and play
Compliance IEC / EN 61000-6-1/2/3/4, IEC 61000-3-2/3/11/12, IEC / EN62109-1/2, IEC 61727, IEC 62116, IEC 61683,

IEC 60068-2-1/2/14/30/64/27, IEC TS 62910, IEC 60529, EN50530, AS/NZS 4777.2:2020, VDE-

AR-N-4105, DIN VDE0126-1-1/A1, EN50549-1, DEWA, VFR 2019, UTE C15-712-1, PSE NC RfG, NTS 2.0,

UNE 217001, UNE 217002, MEA/PEA, G98, G99, CEI-021

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