Description

Sungrow SG36CX-US & SG60CX-US Three-Phase Commercial String Inverters

The Sungrow SG36CX-US and SG60CX-US are high-performance three-phase commercial string inverters engineered for commercial, industrial, and distributed solar PV applications throughout North America. Designed with 4 MPPTs (SG36CX-US) or 6 MPPTs (SG60CX-US), industry-leading conversion efficiencies of up to 98.8%, integrated PID recovery, smart string monitoring, and rapid shutdown compatibility, these inverters deliver exceptional energy production, flexible system design, and simplified operation and maintenance.

Compact enough for manual installation without lifting equipment, both models feature robust Type 4X enclosures, advanced safety protections, and intelligent monitoring capabilities, making them ideal for commercial rooftops, industrial facilities, schools, warehouses, agricultural buildings, and large distributed generation projects.

High Energy Yield

The SG36CX-US and SG60CX-US are designed to maximize solar energy production with multiple MPPTs, wide operating voltage ranges, and advanced inverter technology.

Performance highlights include:

• SG36CX-US: 36kW AC output with 4 independent MPPTs
• SG60CX-US: 60kW AC output with 6 independent MPPTs
• Maximum efficiency up to 98.8%
• CEC efficiency of 98.0%
• Compatible with bifacial solar modules
• Built-in PID Recovery function
• Wide MPPT operating voltage range of 200V–1000V
• High energy harvest under varying site conditions

Flexible Commercial System Design

Both inverters support high DC loading ratios and flexible string configurations, helping reduce balance-of-system costs while maximizing production.

Features include:

• Maximum PV input voltage of 1000V DC
• Rated PV input voltage of 710V
• DC/AC ratio greater than 1.5
• Two PV strings per MPPT
• SG36CX-US: Maximum PV input current of 26A × 4
• SG60CX-US: Maximum PV input current of 26A × 6
• Maximum DC short-circuit current of 45A

Smart Monitoring & Simplified O&M

Integrated monitoring and diagnostic tools help reduce maintenance costs while improving system uptime.

Smart features include:

• Touch-free commissioning
• Remote firmware upgrades
• Online IV curve scanning and diagnostics
• Smart string current monitoring
• Fuse-free inverter design
• Bluetooth commissioning via mobile app
• RS485 communication
• Optional Wi-Fi and Ethernet connectivity
• SunSpec Modbus communication protocol

Advanced Safety & Protection

Both models incorporate comprehensive protection features to ensure safe and reliable operation.

Integrated protections include:

• DC reverse polarity protection
• AC short-circuit protection
• Leakage current protection
• Grid monitoring
• Integrated DC disconnect switch
• Integrated AC disconnect switch
• Arc Fault Circuit Interrupter (AFCI)
• PV string monitoring
• Built-in PID Recovery
• Type II surge protection on both DC and AC
• Rapid Shutdown compliant
• Type 4X (NEMA 4X / IP66) enclosure for harsh outdoor environments

Easy Installation

The SG36CX-US and SG60CX-US are designed for efficient installation and commissioning.

Installation advantages include:

• Manual installation without lifting machinery
• Compatible with aluminum and copper AC conductors
• Flexible vertical or horizontal mounting
• Transformerless topology
• Compact commercial footprint
• MC4 DC connectors
• OT AC terminals for copper or aluminum wiring

Built for Harsh Outdoor Environments

Designed to deliver reliable operation in demanding climates.

Environmental features include:

• Type 4X (NEMA 4X / IP66) enclosure
• Operating temperature: -30°C to 60°C
• Smart forced-air cooling
• Relative humidity: 0–100%
• Maximum operating altitude: 4,000 m (13,123 ft)
• Nighttime power consumption under 2W

Product Specifications

Certifications & Compliance

The SG36CX-US and SG60CX-US comply with major North American standards, including:

• UL 1741
• UL 1741 SA/SB
• IEEE 1547
• IEEE 1547.1
• CA Rule 21
• NEC 2023
• SunSpec Rapid Shutdown
• UL 1699B
• UL 1998
• CSA C22.2 No. 107.1
• FCC Part 15

Ideal Applications

• Commercial rooftop solar systems
• Industrial facilities
• Warehouses and distribution centers
• Manufacturing plants
• Agricultural operations
• Schools and universities
• Office buildings
• Solar carports
• Community solar projects
• Distributed generation systems

Available Models

• SG36CX-US – 36kW Three-Phase Commercial String Inverter
• SG60CX-US – 60kW Three-Phase Commercial String Inverter

Why Choose the Sungrow SG36CX-US & SG60CX-US?

The Sungrow SG36CX-US and SG60CX-US provide commercial solar installers and project developers with a reliable, high-efficiency inverter platform that combines advanced MPPT technology, intelligent monitoring, integrated safety features, and flexible installation. Whether you’re designing a mid-size commercial rooftop system or a larger distributed generation project, these inverters deliver outstanding performance, reduced operating costs, and long-term reliability backed by Sungrow’s proven inverter technology.

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