S T H - 3 ~ 3 . 6 K T L - H S S 、 S T H - 4 . 2 K ~ 8 K T L - H S

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 up to 97.6%.
IP65 protection for durability in various environments.
AC output ranging from 3kW to 8kW, supporting multiple loads.
Fast data checking and commissioning via App or OLED display.
Fast charging/discharging capability up to 30A.
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, supporting CAN/RS485 communication, with a 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: Includes DC reverse polarity protection, battery input reverse connection protection, insulation resistance protection, surge protection, over-temperature protection, and more.

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

S T H - 3 ~ 3 . 6 K T L - H S S 、 S T H - 4 . 2 K ~ 8 K T L - H S-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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S T H - 3 ~ 3 . 6 K T L - H S S 、 S T H - 4 . 2 K ~ 8 K T L - H S-2

Technical Parameters © Max apparent power from the grid means the maximum power imported from the utility grid used to satisfy the backup loads and charge the battery. © The output power will exceed the rated value only when the power in the PV array is sufficient, and the duration of the overload is relating to the overload power.

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