Sungrow SG36CX-US 36kW Three-Phase String Inverter
Sungrow SG36CX-US 36kW Three-Phase String Inverter
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- SKU
- PES-SPS-SIV-0720
- MPN
- SG36CX-US
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36kW 3-Phase String Inverter, 480 Vac, 1000 Vdc, 4 MPPT, NEMA 4X (IP66), CEC 98.0% — Sungrow SG36CX-US
The Sungrow 36 KVA 1000VDC 480VAC 4 MPPT 3Phase PV String Inverter - SG36CX-US is a high-performance solar inverter designed for commercial and industrial photovoltaic systems. It focuses on efficiency, reliability, and intelligent power management, supporting modern solar setups. This inverter combines advanced MPPT technology and robust safety features for flexible system compatibility, maximizing energy yield and operational stability over time.
Built for three-phase grid uses, it operates at a high DC voltage of up to 1000V, ideal for large solar arrays needing performance and scalability. Its durable build and smart monitoring ensure smooth operation under tough environmental conditions.
Sungrow SG36CX-US is a 36 kW commercial three-phase string inverter for 277/480 Vac systems. It offers 4 MPPTs, high efficiency, touch-free commissioning, and proven safety in a NEMA 4X (IP66) enclosure.
Specifications (per Sungrow datasheet)
| Input (DC) | |
|---|---|
| Max. PV input voltage | 1000 V |
| Min. / Start-up input voltage | 200 V / 250 V |
| Nominal PV input voltage | 710 V |
| MPP voltage range | 200–1000 V |
| No. of independent MPPTs | 4 |
| No. of PV strings per MPPT | 2 |
| Max. PV input current | 26 A × 4 |
| Max. PV short-circuit current per MPPT | 45 A |
| Output (AC) | |
| AC output power | 36 kVA @ 113°F (45°C) / 30 kVA @ 122°F (50°C) |
| Max. AC output current | 43.3 A |
| Nominal AC voltage | 3/N/PE, 277/480 V |
| AC voltage range | 422–528 V |
| Nominal grid frequency / range | 60 Hz / 55–65 Hz |
| Harmonic (THD) | < 3% (at nominal power) |
| DC current injection | < 0.5% In |
| Power factor (nominal / adjustable) | > 0.99 / 0.8 leading – 0.8 lagging |
| Feed-in phases / Connection phases | 3 / 3 |
| Efficiency | |
| Max. efficiency | 98.60% |
| CEC efficiency | 98.00% |
| Protection & Safety | |
| DC reverse polarity protection | Yes |
| AC short circuit protection | Yes |
| Leakage current protection | Yes |
| Grid monitoring | Yes |
| DC switch / AC switch | Yes / Yes |
| PV string monitoring / AFCI | Yes / Yes |
| PID Recovery function | Yes |
| Overvoltage protection | DC Type II / AC Type II |
| Rapid Shutdown | Yes |
| General Data | |
| Dimensions (inverter, W×H×D) | 27.6 × 23.4 × 12.2 in (702 × 595 × 310 mm) |
| Dimensions (wire-box, W×H×D) | 9.1 × 11.6 × 9.2 in (231 × 295 × 234 mm) |
| Weight | 54 kg (119.0 lb) |
| Topology | Transformerless |
| Ingress protection | Type 4X (NEMA 4X, IP66) |
| Night power consumption | < 2 W * |
| Operating ambient temperature | −30 to 60 °C (>45 °C derating) / −22 to 140 °F (>113 °F derating) |
| Relative humidity | 0% – 100% |
| Cooling method | Smart forced air cooling |
| Max. operating altitude | 4000 m (derate > 3000 m) |
| Display | LED, Bluetooth + APP |
| Communication | RS485; optional: Wi-Fi, Ethernet |
| Third-party protocol | SunSpec Modbus |
| DC connection | MC4 (#12–#10 AWG) |
| AC connection | OT (#6–2/0 AWG, Cu or Al) |
| Compliance & Grid Support | |
| Compliance | UL1741, UL1741 SA, IEEE 1547/1547.1, CSA C22.2 No.107.1-01, UL1699B, FCC Part 15, UL1998, Rule 14, NEC 2023, SunSpec Rapid Shutdown |
| Grid support | LVRT, HVRT, active & reactive power control, ramp-rate control |
* Night power excludes optional PID recovery power. All values sourced from Sungrow SG36CX-US datasheet; features also corroborated on the US product page.
Why Choose Sungrow 36 KVA 1000VDC 480VAC 4 MPPT 3Phase PV String Inverter - SG36CX-US
Choosing this inverter means investing in proven technology that prioritizes energy efficiency and system reliability. Four independent MPPT trackers optimize power output from multiple PV strings, even when panels face shading or directional differences.
This design allows installers and system designers to create efficient layouts without performance loss. The three-phase 480VAC output provides stable power delivery for commercial, industrial, and large-scale solar plants.
Advanced MPPT Technology for Higher Energy Yield
One key feature is its advanced four-MPPT architecture. Each MPPT works independently, precisely tracking the maximum power point for different PV strings.
This provides:
- Improved energy harvesting during the day
- Reduced losses from partial shading
- Better performance across changing weather conditions
Quick adaptation to environmental changes ensures consistent energy production and a better return on investment over the system’s life.
Designed for Commercial and Industrial Solar Applications
This inverter is engineered for medium to large solar projects. Its compact and robust design makes integration simple in rooftops, warehouses, factories, and utility-scale setups.
It supports high-power PV modules and long string configurations, reducing balance-of-system costs and installation complexity. Its three-phase output maintains grid compliance and smooth energy distribution for businesses.
Smart Monitoring and Safety Features
Modern solar systems need smart monitoring, and this inverter delivers. It supports advanced communications for real-time tracking, fault detection, and remote diagnostics.
Built-in safety protects the system and linked equipment from overvoltage, short circuits, and abnormal grid conditions. It meets strict electrical and safety standards to ensure dependable, long-term use.
High Efficiency and Long-Term Reliability
Efficiency plays a vital role in solar energy systems. This product is optimized for strong conversion efficiency across wide operating ranges. Lower energy losses mean more production and lower costs.
Its durable enclosure and quality components withstand harsh environments, making it perfect for outdoor use. These qualities ensure stable operation year after year with little upkeep.
Scalable Solution for Future-Ready Solar Systems
As energy needs increase, scalability is key. This inverter provides a future-proof solution adaptable for system expansions and changing grid demands. Its flexible design supports various PV module types and setups—a smart pick for evolving solar projects.
Whether for new builds or upgrades, it delivers power, intelligence, and efficiency, supporting sustainable energy goals while minimizing related costs.
Specifications & Documents: Full specifications & datasheet for Sungrow 36 KVA 1000VDC 480VAC 4 MPPT 3Phase PV String Inverter - SG36CX-US
| SKU | PES-SPS-SIV-0720 |
|---|---|
| MPN | SG36CX-US |
| Manufacturer | Sungrow |
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