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SG 4200/6000 Pro

On/Off-Grid Solar Inverter

The Sunflx SG 4200/6000 Pro Series combines an inverter, AC charger and MPPT solar controller in an IP54 enclosure for residential solar storage. With 4.2kW or 6kW output, dual AC inputs with integrated ATS and dual AC outputs, it supports flexible grid and generator power management. Built-in CT supports zero export, while the Sunflx Cloud App enables remote monitoring and configuration.

48V battery system6kW output

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32AMPPT input current

8kWMax. PV array power

120AMax. solar charge current

IP54Indoor & outdoor

Designed for dependable supply

Key Features

MPPT Solar Charging

One MPPT tracker supports up to 6kW PV input on SG 4200 Pro and 8kW on SG 6000 Pro, with up to 120A solar charging.

22A / 32A MPPT input · Plug-and-play MC4 PV terminals

Battery & Cloud Monitoring

SG 4200 Pro uses a 24V battery system; SG 6000 Pro uses 48V. Supports lithium, lead-acid and GEL batteries.

PV and AC dual activation · Sunflx Cloud App

Dual AC Outputs

Main and second AC outputs support smart load management for household energy storage and backup power.

Main output + second output

Grid & Generator Inputs

Separate grid and generator AC inputs work with an integrated ATS for flexible power management.

Dual AC inputs · Integrated ATS

Zero Export & Expansion

Built-in CT supports zero export. Optional parallel connection enables expansion with up to six units.

OptionalUSB one-key firmware upgrade

IP54 Protection

Dustproof and splash-resistant protection supports indoor and outdoor installation. A dedicated air duct helps dissipate heat.

IP54 · Intelligent fan cooling · 3-year warranty

Designed for residential solar storage.

Application Fit

Residential solar storage and essential-load backup
Indoor and outdoor installations (IP54)
Grid and generator inputs with integrated ATS
Zero-export operation with built-in CT

KONTAKTIEREN SIE UNS

Compare the range at a glance.

Product Specifications

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Modell	SG 4200 Pro	SG 6000 Pro	User-Settable
Nominal Battery Voltage	24Vdc	48Vdc
Battery Type	Lithium LiFePO4/Lead-Acid/Flooded/User Defined		√
AC INPUT
Nominal AC Input Voltage / Waveform	230Vac/Sinusoidal (Utility or Generator)
AC Input Range	90~280Vac (Appliances);170Vac~280Vac(UPS)		√
Nominal Input Frequency	50/60Hz (Auto Detection)		√
AC Input Frequency Range	40~65±1Hz (>42 or <63±1Hz Comeback)
Max. Bypass Current	30Amp	40Amp
Output Short Circuit Protection	Circuit Breaker
Transfer Time	10ms Typical (UPS); 20ms Typical (Appliances)
AC CHARGER
Charging Algorithm	3-Step
Max. AC Charging Current	100Amp (@VI/P=230Vac)		√
Bulk Charging Voltage	29.2Vdc (Flooded Battery) 28.2Vdc (AGM/Gel Battery)	58.4Vdc (Flooded Battery) 56.4Vdc (AGM/Gel Battery)	√
Floating Charging Voltage	27Vdc	54Vdc	√
Max. Hybrid Charging Current (Solar & Utility)	120Amp		√
PV INPUT
Num.of Independent MPPT Tracker	1
Num. of String Per MPPT Tracker	1	2
MPPT Input Current	1*22Amp	1*32Amp
Max. PV Array Power	6000W	8000W
Max. Solar Charge Current	120Amp		√
PV Array MPPT Voltage Range	60~450Vdc
Max. PV Array Open Circuit Voltage	500Vdc
MPPT Tracking Efficiency	99.9%
INVERTER OUTPUT
Num. of Output Ports (Main & Second Output)	2
Rated Output Power of Main /Second Output	4200W/4200W	6000W/6000W
Surge Capacity	8400VA/8400W for 5 Seconds	12000VA/12000W for 5 Seconds
Output Voltage Waveform	Pure Sine Wave
Overload Protection	5s@150% Load; 10s@110%~150% Load
Output Voltage / Output Frequency	220/230/240 Vac ± 5% / 50/60Hz ±1 Hz
Peak Efficiency	94%
Low Voltage Cut-off Voltage	21Vdc	42Vdc	√
High Voltage Cut-off Voltage	33Vdc	63Vdc
Cold Start Voltage (When Only Connect with Battery)	23Vdc	46Vdc
No Load Power Consumption	<35W	<40W
GENERAL
Parallel Connection	Yes, 6 Units
Embedded Interface	RS2321/RS4852/Dry Contact/CT
Operating Temperature Range / Storage Temperature	-10°C~55°C / -15°C~ 60°C
Noise	≤ 60dB
Protection Degree	IP54, Indoor and Outdoor
Cooling Method	Intelligent Fan
Net Dimension (HWD) / Net Weight	500405117 mm / 13 KG
Warranty	3 Years
Certification/Standard	CE(IEC61000,IEC62109); IEC61683

SUNFLX CLOUD APP

Work with Sunflx Cloud App

Sunflx Cloud App is a Configure and Monitor App now available in App Store and Google Play.

Work with Sunflx Smart Dongle, support both Bluetooth and Wi-Fi connection, which enables you to manage your solar device with or without an internet connection. Anytime, anywhere.