Product Details
Product Description: 3K&5KW Off-Grid Inverter
Key Features:
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Compatible with most common low-voltage batteries (lead-acid and lithium batteries).
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The 5K model supports parallel operation for up to 6 units.
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Maximum charging current of up to 130A.
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Equipped with an LCD screen for secure user interaction.
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Remote monitoring via mobile app (Wi-Fi); seamless integration with BMS.
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Intelligent fan cooling design for optimal performance.
Technical Specifications:
Parameter | 3KW Model | 5KW Model |
Battery Voltage | 24VAC | 48VAC |
Nominal Power (W) | 3000 | 6000 |
Peak Efficiency | 93% | 93% |
Waveform | Pure Sine Wave | Pure Sine Wave |
Max PV Array Power (W) | 4000 | 6000 |
Max Solar Charge Current (A) | 150 | 80 |
AC Voltage Regulation | 230VAC ± 3% (50/60Hz) | 230VAC ± 3% (50/60Hz) |
Protection Rating | IP54 | IP54 |
Operating Temperature | 0°C to 30°C | 0°C to 30°C |
Advanced Protection & Safety:
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PV Over Voltage/Current Protection
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Battery Over Voltage/Current Protection
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Output Short Circuit & Over Voltage Protection
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Type II DC Surge Protection
Design & Connectivity:
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Compact dimensions: 300 × 450 × 110.5 mm (W×D×H).
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Lightweight: 2.5 kg (3KW) / 3 kg (5KW).
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Multiple interfaces: USB, Wi-Fi, GPRS, CAN, and dry-contact communication options.
Ideal For: Off-grid solar systems, residential use, and remote applications requiring reliable power with advanced monitoring capabilities.
Why Choose Us?
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High efficiency and durable design.
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User-friendly interface with real-time monitoring.
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Robust safety features for uninterrupted performance.
Upgrade your energy independence with our cutting-edge off-grid inverters!
SUF3000S4A1 | SUF5000S4A1 |
BatteyInput |
Battery Type | Li-lon/Lead-acid | Li-lon/Lead-acid |
BatteryVoltage | 24Vdc | 48Vdc |
Inverter Output |
Nominal Power(W) | 3000 | 5000 |
Nominal Apparent Power (VA) | 3000 | 5000 |
Paralll Capacity | No | Yes.9 units maximum |
AC Voltage Regulation (Battery Mode) | 230Vac±5%@50/60Hz | 230Vac±5%@50/60Hz |
Surge Power (VA) | 6000 | 10000 |
Eficiency (peak) | 93% | 93% |
Waveform | Pure sine wave | Pure sine wave |
Transfer Time | 10ms (for personal computers), 15ms (for home appliances) |
SolerCharge |
Max.PV Array Power (W) | 4000 | 6000 |
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MPPT Range @OperatingVoltage | 120Vdc-430Vdc | 120Vdc-430Vdc |
Number of Independent MPP Trackers | 1 | 1 |
Number of Strings Per MPPT | 1 | 1 |
Max,Input Current Per MPPT(A) | 16 | 18 |
Max.PV Array Open Circuit Voltage (V) | 500Vdc | 500Vd |
Max Solar Charge Current (A) | 120 | 80 |
Ac Charger |
Max.AC Charge Current(A) | 120 | 80 |
AC Input Voltage (V) | 230Vac | 230Vac |
Voltage Range (V) | 170-280Vac (For PersonalComputers); 90-280 Vac(For Home Appliances) |
Frequency Range(Hz) | 50/60 | 50/60 |
General |
UserInterface | APP+LCD Display+LED |
Communication | USB,Optional:Wi-Fi,4G,GPRS,RS485/CAN,Dry-contact |
Ingress Protection Rating | IP54 | IP54 |
Dimension (W*H*D mm) | 300*450*110.5 | 300*450*110.5 |
Weight (kg) | 7.5 8 |
Relative Humidity | 20%~95% | 20%~95% |
Max.Operating Altitude (m) | 2000m, >1000m derating | 2000m,>1000m derating |
Operating Temperature (°C) | 0~50 | 0~50 |
Storage Temperature (°C) | [-15~60] | [-15~60] |
Protection |
PV Over VoltageProtection | Yes |
PV Over Current Protection | Yes |
Battery Over Voltage Protection | Yes |
Battery Over Current Protection | Yes |
AC Surge Protection | Type II |
Output OverCurrentProtection | Yes |
Output Short Circuit Protection | Yes |
Output OverVoltage Protection | Yes |

Company Profile
Sheng Shi Tian He Electronic Technology, brand: SZSSTH it is a manufacturing & trading company with 17 years experience and a professional team for power inverter, solar panel, solar charge controller and solar battery.
We own auto production line equipments and 6000 square meters of workshops. There are 200 employees in company ,
including hardware and software technical research and
development and management staff more than 30.
Our product obtained CE ROHS LVD EMC FC KC SAA PSE UL UKCA REACH
BSCI NF GS PHAS etc certificates. We can meet the needs of
different markets.
We can produce millions units of various types of solar related products with strong corporate strength. We pursue the production of products in high
quality!
We keep the concept of investing in product development and design
innovation continuously. Each product has been undergone meticulous
design and repeated carving.
We are willing to do the Win-Win business and welcome the person who with the same goal to join us from establishment!