Sunways Single Phase Storage Inverter with Two MPPT

Product catalog summary

Overview: The document provides technical specifications and features of the Sunways Single Phase Storage Inverter models STH-3~3.6KTL-HSS and STH-4.2K~8KTL-HS. These inverters are designed for high efficiency and adaptability in solar energy systems.

Key Features:

Maximum efficiency of 97.6% with IP65 protection.
AC output ranges from 3kW to 8kW, supporting multiple stable load accesses.
Fast data checking and commissioning via App or OLED display.
Fast charging/discharging up to 30A for higher consumption and energy trading.
Wide battery voltage range (85-500V) for increased self-consumption.
Uninterruptible power supply with a switch to off-grid mode within 10ms.

Technical Specifications:

PV Input: Max input power ranges from 4,800W to 12,800W, with a start-up voltage of 80V and max DC input voltage of 600V.
Battery: Compatible with lithium batteries, communication via CAN/RS485, max charge/discharge current of 30A.
Output (Grid): Rated output power ranges from 3,000W to 8,000W, with a max output current up to 36.3A.
Output (Back-up): Similar power ratings as grid output, with UPS switching time under 10ms.
Efficiency: European efficiency at 97.0%, with max battery charging/discharge conversion efficiency at 96.6%.

Protection Features: Integrated protections include DC reverse polarity, battery input reverse connection, insulation resistance, surge, over-temperature, residual current, islanding, AC over-voltage, overload, and AC short-circuit protection.

General Data:

Dimensions: 550W x 410H x 175D mm, weight: 26 kg.
Operating temperature range: -30°C to 60°C, with natural convection cooling.
Compliance with standards such as IEC62109, IEC62116, VDE4105, and others.

Catalog excerpts

Sunways Single Phase Storage Inverter with Two MPPT-1

Sunways Single Phase Storage Inverter with Two MPPT STH-3~3.6KTL-HSS、 STH-4.2K~8KTL-HS Wide battery voltage range allows more battery modules connection and increases self consumption rate. With AC output ranging from 3kW to 8kW Fast charging/discharging of up to 30A to meet the demand of higher consumption and energy trading. Powerful load adaptability, Fast and easy data checking support multiple loads stable Up to 15A maximum PV input current allows most higher current PV panels connection and lowers the system LCOE. Uninterruptible power supply, switch to off-grid modve within 10ms Back-up Loads Single Phase Storage Inverter High-voltage Li-ion Battery On-grid Loads

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Sunways Single Phase Storage Inverter with Two MPPT-2

TECHNICAL PARAMETERS Max. Input Power (W) Start-up Voltage (V) Rated DC Input Voltage (V) PV Input MPPT Voltage Range (V) Battery Type Lithium Battery (with BMS) Battery Communication Mode Battery Voltage Range (V) Rated Current of Built-in Fuse (A) Rated Output Power (W) Output (Grid) Max. Input Apparent Power (VA) Max. Charging Power of Battery (W) Rated Output Voltage (V) Rated AC Frequency (Hz) Max. Output Current (A) Power Factor Max. Total Harmonic Distortion <3% @Rated Output Power Rated Output Power (W) Back-up output rated apparent power (VA) Back-up output rated current (A) Output Max....

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