How to optimize the single panel performance of the Gen3 Microinverter (1-in-1 series) to cope with different lighting conditions?

Gen3 Microinverter (1-in-1 series) has a highly efficient MPPT (maximum power point tracking) function, which can adjust the current and voltage in real-time to cope with changes in light intensity, ensuring maximum power output even in less than ideal lighting conditions.

What are the fault diagnosis and maintenance functions of the Gen3 Microinverter (1-in-1 series)?

This series of inverters are equipped with an advanced fault detection system that can monitor the performance of each solar panel in real-time, and provide detailed fault diagnosis information and maintenance suggestions through a dedicated monitoring platform to help users quickly solve problems.

How durable is the Gen3 Microinverter (1-in-1 series) in extreme environments (such as high temperature, humidity, etc.)?

Gen3 Microinverter (1-in-1 series) uses high-temperature resistant materials, sealed design, and glue filling treatment, which can withstand extreme environments such as high temperature and humidity, ensuring that the inverter can still operate stably under harsh conditions and extend its service life.

Microinverter 1-in-1

300 W - 500 W

TSUN Microinverter 1-in-1 is a compact and high-efficiency microinverter designed to connect with a single solar panel. Engineered with state-of-the-art topology, a modular build, and full aluminum die-casting for outstanding heat dissipation and reliability, it ensures safe and reliable energy conversion at the module level. Delivering up to 500 W output power, it supports MPPT and provides module-level monitoring for enhanced performance. With a low startup voltage of 22 V and multiple communication options for easy monitoring, it adapts flexibly to different setups. Fully encapsulated to IP67, the microinverter offers long-lasting durability with a 25-year lifespan, while supporting three different wiring methods to suit diverse installation scenarios.

DATASHEET

Products Microinverter GEN3 Microinverter Microinverter 1-in-1

Built to Endure – 25 Years of Unstoppable Performance

The Microinverter 1-in-1 isn't just designed to work—it's engineered to thrive. Boasting cutting-edge topology, a modular build, and full aluminum die-casting for superior heat dissipation, it laughs off harsh weather and extreme conditions. With IP67 protection, this microinverter delivers rock-solid reliability, keeping your power flowing strong for a full 25 years.

Max Power, Min Loss

The Microinverter 1-in-1 is a powerhouse of performance. Equipped with advanced MPPT technology, an ultra-low 16V MPPT Minimum voltage, and compatibility with high-wattage PV modules (up to 600 W), it cranks out up to 500 W of output—ensuring every ray of sunlight is turned into usable energy.

MPPT

Enabled for Optimal Efficiency

500 W

Maximum Output Power

16 V

Ultra-low MPPT Minimum Voltage

600 W+

Module Compatible*

Max Power, Min Loss

The Microinverter 1-in-1 is a powerhouse of performance. Equipped with advanced MPPT technology, an ultra-low 16 V MPPT Minimum voltage, and compatibility with high-wattage PV modules (up to 600 W), it cranks out up to 500 W of output—ensuring every ray of sunlight is turned into usable energy.

MPPT

Enabled for Optimal Efficiency

500 W

Maximum Output Power

16 V

Ultra-low MPPT Minimum Voltage

600 W+

Module Compatible*

Safety First – No Compromises

60 V Max DC Input | Isolation Design

Safety isn't an add-on—it's the foundation. The Microinverter 1-in-1 operates at a safe 60 V DC input,

eliminating the need for extra components like AFCI, RSD, or DC boxes.

Its high-frequency isolation boosts reliability and slashes installation time and costs. Power your system with peace of mind.

Wiring That Works for You – Adaptable to Every Project

Daisy Chain

Efficient. Scalable. Plug & Play.

The daisy-chain solution supports daisy-chain connections of multiple inverters, each integrated with a 1.45 m AC output cable between inverters, with no need for an extra AC cable, which makes it easy to configure projects ranging from 500 W to 9000 W. The plug-and-play design offers higher efficiency and reduces installation time and costs.

Balcony

Trunk Cable

Wiring That Works for You – Adaptable to Every Project

Daisy Chain

Efficient. Scalable. Plug & Play.

Connect multiple inverters with an integrated 1.45 m AC output cable—no extra cable needed. Easy to configure from 500 W to 9000 W and cut install time & costs with true plug-and-play.

Balcony

Trunk Cable

Smart Communication,
Anywhere You Are

Multiple communication methods ensure seamless and real-time monitoring across various installation scenarios.

Wi-Fi

Easy to configure, ideal for balcony systems

RS485

For anti-reverse flow and C&I projects

Best for rooftops or remote areas without Wi-Fi

Bluetooth

Local mode for real-time monitoring without network

Smart Communication,
Anywhere You Are

Multiple communication methods ensure seamless and real-time monitoring across various installation scenarios.

Wi-Fi

Easy to configure, ideal for balcony systems

RS485

For anti-reverse flow and C&I projects

Best for rooftops or remote areas without Wi-Fi

Bluetooth

Local mode for real-time monitoring without network

What's in the box

* refers to standard accessories refers to optional accessories

Microinverter 1-in-1

Specs

Item	TSOL-MS300	TSOL-MS350	TSOL-MS400	TSOL-MX400	TSOL-MX450	TSOL-MX500
Recommended Module Power [W]	300 ~ 550+	300 ~ 550+	300 ~ 550+	300 ~ 600+	300 ~ 600+	300 ~ 600+
MPPT Voltage Range per Input (V)	16 ~ 60
Max. Input Voltage per Input (V)	60
Max. Input Current per Input (A)	14
Short-current (A)	20
Nominal Continous Output Power [W]	300	350	400	400	450	500
Quantity of MPPT	1
Dimensions [W×H×D mm]	164 x 225 x 30
Weight (kg)(Daisy-chain)	2.1
Weight (kg)(Trunk cable/Balcony)	1.75

*Only partial parameters are listed. For the complete specification list, please refer to the official datasheet.

Resources

Datasheet

Installation Guide (Daisy Chain)

Installation Guide (Balcony_End User)

Installation Guide (Balcony_Business)

Installation Guide (Trunk Cable)

User Manual

Warranty

How to Install (Video)

Single Microinverter Install + RS485 Zero Export Install (Video)

Muti Microinverter Install + RS485 Zero Export Install (Video)

Frequently Asked Questions

How to optimize the single panel performance of the Gen3 Microinverter (1-in-1 series) to cope with different lighting conditions?

A :

Gen3 Microinverter (1-in-1 series) has a highly efficient MPPT (maximum power point tracking) function, which can adjust the current and voltage in real-time to cope with changes in light intensity, ensuring maximum power output even in less than ideal lighting conditions.
What are the fault diagnosis and maintenance functions of the Gen3 Microinverter (1-in-1 series)?

A :

This series of inverters are equipped with an advanced fault detection system that can monitor the performance of each solar panel in real-time, and provide detailed fault diagnosis information and maintenance suggestions through a dedicated monitoring platform to help users quickly solve problems.
How durable is the Gen3 Microinverter (1-in-1 series) in extreme environments (such as high temperature, humidity, etc.)?

A :

Gen3 Microinverter (1-in-1 series) uses high-temperature resistant materials, sealed design, and glue filling treatment, which can withstand extreme environments such as high temperature and humidity, ensuring that the inverter can still operate stably under harsh conditions and extend its service life.