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⚡ Sungrow SG-RS · 3-25 kW

Residential String Inverters

Single-phase and three-phase string inverters for residential rooftop PV. AFCI 3.0 arc-fault protection, 2 MPPTs, IP65 enclosure, natural cooling — engineered for 25-year roof installations.

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Residential Lineup

Residential Sungrow inverter models

Residential PV string inverters — single-phase 3-6 kW · three-phase 10-25 kW

5 Residential Models
Sungrow SG3.0RS inverter
Single-phase residential

Sungrow SG3.0RS

3 kW · 2 MPPT · 230 V AC
3.0
kW AC
98.2%
efficiency
IP65
enclosure
View specifications
Sungrow SG4.0RS inverter
Single-phase residential

Sungrow SG4.0RS

4 kW · 2 MPPT · 230 V AC
4.0
kW AC
98.4%
efficiency
IP65
enclosure
View specifications
Sungrow SG5.0RS inverter
Single-phase residential

Sungrow SG5.0RS

5 kW · 2 MPPT · 230 V AC
5.0
kW AC
98.4%
efficiency
IP65
enclosure
View specifications
Sungrow SG6.0RS inverter
Single-phase residential

Sungrow SG6.0RS

6 kW · 2 MPPT · 230 V AC
6.0
kW AC
98.4%
efficiency
IP65
enclosure
View specifications
Sungrow SG10RS inverter
Top single-phase residential

Sungrow SG10RS

10 kW · 3 MPPT · 230 V AC
10.0
kW AC
97.8%
efficiency
IP65
enclosure
View specifications
Sungrow SG10RS residential inverter

Why Sungrow for residential PV?

Sungrow holds the #1 global residential inverter market share by shipments (Wood Mackenzie 2024). The SG-RS series is the most-deployed residential string inverter platform worldwide.

For installers in CIS, MENA, SEA and LATAM, residential systems demand long uptime, low service overhead, and authentic OEM warranty. The SG-RS delivers all three — with AFCI 3.0 arc-fault protection meeting UL 1699B, natural-convection cooling (no fan to fail), and IP65 outdoor rating.

Selection Guide

Residential inverters — engineering FAQ

Questions our customers ask before placing an order. Sized for engineers, not marketing copy.

Which Sungrow residential inverter fits a 6 kW single-phase system?
For a 6 kW system on single-phase utility (CIS, MENA, much of LATAM), the SG5.0RS or SG6.0RS are the direct fits. The SG6.0RS gives you ~5% DC oversize headroom and supports higher-Pmax bifacial panels.
Do these inverters support battery storage?
No — the SG-RS series are string-only (PV-direct-to-grid). For battery storage retrofit, you need the SH-series hybrid inverters: SH5.0RS-L (single-phase) or SH8-12RT (three-phase). Both work with 28+ third-party batteries.
What is AFCI 3.0 and why does it matter?
AFCI = Arc-Fault Circuit Interruption. Version 3.0 is the latest Sungrow implementation, certified to UL 1699B, that detects DC arc-faults from damaged wiring and trips within 100 ms. Required by code in most US states, and mandatory for insurance in AU, EU, and JP.
Is the SG-RS compatible with bifacial panels?
Yes. All SG-RS models accept up to ~1.4× DC oversize, which covers bifacial gain up to ~25-30%. For specific configurations send the panel datasheet and your climate zone — we will simulate the string design and confirm.
What is the warranty?
10 years standard, extendable to 20 years via Sungrow extended warranty package. All units we sell ship with valid Sungrow serial numbers and OEM warranty registration — never grey-market.

Ready to spec your residential system?

Send the system size, climate zone, and grid spec — we will reply with a model recommendation, datasheet, and CIF/FOB quote within 24 hours.

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