Huawei Sun2000 KTL M1 inverters are high-performing, safe, and reliable devices. These solar inverters can provide a whopping 98.4% to 98.6% maximum efficiency, making them ideal for your solar PV system. They also allow you to increase your solar power generation up to 30%.
The solar inverter is one of the essential components of your photovoltaic system. Without it, the system can’t convert direct current (DC) to alternating current (AC), meaning any energy your panels produce will be unusable. That’s why you must use high-quality inverters for optimum solar performance.
As such, this detailed review covers everything you need to know about the Huawei Sun2000 KTL M1 inverter.
Read on to discover this solar inverter’s features, battery life, storage controller, advantages, limitations, and our verdict on its worth.
What is the Huawei Sun2000 KTL M1 Inverter?
Huawei’s Sun2000 KTL M1 inverter series (from 5 kW to 10 kW) are powerful solar inverters that can provide up to 98.6% maximum efficiency, thanks to their three-phase transformerless solution. The Huawei Sun2000 three-phase smart solar inverter series also utilise the latest technology to deliver the utmost safety for your home.
These solar inverters can detect signs of over-heating that could result in dangerous fires thanks to Artificial Intelligence (AI) technology known as the Arc Fault Circuit Interrupter (AFCI).
With the high-performance cores of this inverter, you’ll have a monitoring system to control your energy production at the module level. The Sun2000-KTL-M1 inverter is the interface for Huawei’s Smart Energy Center.
This Huawei inverter even has its own app. Using this software, you can view the parameters of the solar installation in real-time. With this information, you can optimise your power usage and battery life while monitoring the general operation of your photovoltaic system.
This app can run on the MacBook Air, MacBook Pro, Mac Mini, or the iPad Pro, among other devices; we have specifically mentioned these because they come with a new chip – the M1.
The app has everything you need to know about your solar panels’ energy generation, including consumption graphs, the consumption of connection to a network, consultation of previous configurations, and optimisation of the installation.
Using the Huawei app for your Sun2000 KTL M1 inverter makes solar monitoring easy.
Huawei Sun2000 KTL M1 Inverter Range
The Huawei Sun2000 KTL M1 inverter range includes the Sun2000 5KTL M1, Sun2000 8KTL M1, Sun2000 10KTL M1, and more. The 5 KTL M1 solar inverter has a maximum efficiency of 98.4%. For the other two inverters, it’s 98.6%.
These inverters differ from each other in their power levels.
The Sun2000 5KTL M1 has an output voltage of 5 kW. The Sun2000 8KTL M1’s output voltage is 8 kW, while the Sun2000 10KTL M1 offers an output voltage of 10 kW.
|Efficiency Ratings||Sun2000 5KTL M1||Sun2000 6KTL M1||Sun2000 8KTL M1||Sun2000 10KTL M1|
|European weighted efficiency||97.5%||97.7%||98.0%||98.1%|
Huawei Sun2000 KTL M1 Inverter Technical Specifications
|General Data||Huawei Sun2000 KTL M1|
|Dimensions||(W x H x D) 1,035 x 700 x 365 mm|
|Weight (mounting plate included)||90 kg|
|Operating Temperature Range||-25°C ~ 60°C|
|Max. Operating Altitude||4,000 m (13,123 ft.)|
|Cooling Method||Smart Air Cooling|
|AC Connector||Waterproof Connector + OT/DT Terminal|
|DC Connector||Staubli MC4|
|Nighttime Power Consumption||< 3.5 W|
|Input||Huawei Sun2000 KTL M1|
|Max. Current per MPPT||26 A|
|Max. Input Voltage 1||1,100 V|
|Max. Short Circuit Current per MPPT||40 A|
|MPPT Operating Voltage Range2||200 V ~ 1,000 V|
|Start Voltage||200 V|
|Max. input number per MPP tracker||2|
|Nominal Input Voltage||720 V @480 Vac, 600 V @400 Vac, 570 V @380 Vac|
|Number of MPP trackers||10|
|Output||Huawei Sun2000 KTL M1|
|Max. AC Apparent Power||110,000 VA|
|Nominal AC Active Power||100,000 W|
|Max. AC Active Power (cosφ=1)||110,000 W|
|Rated AC Grid Frequency||50 Hz / 60 Hz|
|Nominal Output Voltage||480 V / 400 V / 380 V, 3W+(N)+PE|
|Adjustable Power Factor Range||0.8 leading… 0.8 lagging|
|Max. Output Current||133.7 A @480 V, 160.4 A @400 V, 168.8 A @380 V|
|Max. Total Harmonic Distortion (THD)||＜3%|
|Nominal Output Current||120.3 A @480 V, 144.4 A @400 V, 152.0 A @380 V|
|Protection||Huawei Sun2000 KTL M1|
|Input-side Disconnection Device||Yes|
|DC Reverse-polarity Protection||Yes|
|AC Overcurrent Protection||Yes|
|PV-array String Fault Monitoring||Yes|
|AC Surge Arrester||Type II|
|DC Surge Arrester||Type II|
|Residual Current Monitoring Unit||Yes|
|Arc Fault Protection||Optional|
|DC Insulation Resistance Detection||Yes|
|Communication||Huawei Sun2000 KTL M1|
|Smart Dongle-4G||4G / 3G / 2G via Smart Dongle – 4G (Optional)|
|Display||LED indicators; WLAN adaptor + FusionSolar APP|
|Monitoring BUS (MBUS)||Yes (isolation transformer required)|
What is the Huawei Sun2000 KTL M1 Solar Inverter’s Output Capacity?
This inverter has three different nominal output voltages: 480 V, 400 V, and 380 V. The nominal current and the maximum current vary according to the nominal voltage.
The nominal power output current is 120.3 A when the voltage is 480 V, 144.4 A when the voltage is 400 V, and 152.0 A when the voltage is 380 V.
The maximum power output current is 133.7 A when the voltage is 480 V, 160.4 A when the voltage is 400 V, and 168.8 A when the voltage is 380 V.
What is the Huawei Sun2000 KTL M1 Solar Inverter’s Efficiency?
The efficiency of these inverters’ performance can range from 98.6% to 98.8%.
The max. efficiency is 98.8% when the voltage is 480 V and 98.6% when the voltage is 400 V or 380 V.
Every country has its own solar regulations, which may differ slightly from global baseline standards. Thus, the variant you are using can also affect the efficiency.
For example, a European variant may not have the same efficiency as one from Canada or Australia. Sadly, there isn’t much that the manufacturers can do about that.
How many MPP Trackers does the Huawei Sun2000 KTL M1 Solar Inverter have?
These inverters have 10 MPPTs.
The max current per MPPT is 26 A, while the short circuit current for each MPPT is 40 A. The operating voltage range for the MPPTs is 200 V – 1000 V.
Does the Huawei Sun2000 KTL M1 Inverter have an Internal DC Circuit Breaker?
Yes, these inverters include a DC circuit breaker with the breaking threshold set at 40 A per MPPT.
These breakers prevent the inverter from getting damaged during a power surge.
Huawei Sun2000 KTL M1 Key Features
Huawei Sun2000 KTL M1 inverters provide outstanding features such as Built-in PID recovery, panel optimisers, advanced digital control algorithm, and more.
- Battery Ready
The Huawei SUN2000 KTL M1 series has a plug-and-play capability that makes them battery ready. You can easily connect these solar inverters with a Huawei LUNA or an LG Chem battery. There’s no need for additional devices, and this feature has no extra retrofit costs.
- Panel Optimisers
Panel optimisers allow your solar panels to operate at peak form even when one of the panels gets weakened or damaged. This feature distinguishes the Huawei Sun2000 KTL M1 from other inverters. In a standard solar system, the entire system’s performance is compromised whenever a single module is weak or damaged due to harsh weather conditions, soiling, shading, leaves, or bird droppings.
Luckily, this isn’t the case with Sun2000 KTL M1 Huawei inverters because the system’s operation is unaffected when a single panel is compromised, ensuring high efficiency at all times.
Panel optimisers allow the unaffected panels to operate without decreased production. You can expect higher energy generation of up to 30% from each solar panel with solar optimisers.
- Advanced Digital Control Algorithm
The Huawei Sun2000 KTL M1 can generate over 3,000 kilowatts more than the capacity of many other inverters within its first 20 years of operation. The advanced digital control algorithm accounts for this and creates a 98.6% maximum efficiency capacity, meaning Huawei Sun2000 inverters can provide more power for your home than many other solutions.
- Built-in PID Recovery
The Huawei SUN2000-5-6-KTL-M1 can recover up to 70% of output loss due to hot and humid weather conditions. It is integrated with a PID (Potential Induced Degradation) recovery system that enhances performance in unfavourable climates.
This built-in PID recovery feature works alongside the digital algorithm to ensure that your solar PV system operates at peak capacity throughout use.
- AI-powered Arc Fault Circuit Interrupter
Unlike many other solar panel systems, the Huawei Sun2000 KTL M1 can alleviate the risk of DC arcing. Its AI-powered Arc Fault Circuit Interrupter (AFCI) accounts for this, as it can effortlessly detect arc faults. Such faults are uncommon, but the solar inverter only takes two seconds to shut down when they arise.
This is an excellent feature for ensuring safety, as you won’t have to worry about hazardous fires due to an overheating solar system.
- Silent Operation
With the Huawei Sun2000 range, noise won’t be a concern, as the system operates silently. Some solar PV systems can cause such a racket that it becomes impossible to relax at home. But with the Huawei Sun2000 KTL M1 humming as low as 29 dB, your bedroom will be as quiet as a library.
What is the Huawei Sun2000 KTL M1 Solar Inverter’s Warranty?
These inverters come with a 10-year warranty.
The warranty starts on the 180th day after Huawei ships the inverter. However, if you install the inverter earlier, the inverter’s warranty will start from the day of installation as declared by the users.
Is the Huawei Sun2000 KTL M1 Solar Inverter Reliable? Is the Solar Inverter Safe?
These are some of the safest inverters that offer the highest reliability. This has been proven by the third-party solar quality testing performed by PVEL.
According to tests conducted by the PVEL, Huawei’s Sun 2000 KTL came out on top in all the following categories:
- High-temperature operation
- Low-temperature operation
- MPPT efficiency
- Conversion efficiency
- Energy harvest
- Transient response
- Day runtime performance
Is the Huawei Sun2000 KTL M1 Solar Inverter CEC-Approved?
Yes! These inverters are approved by the Clean Energy Council for distribution and installation in Australia.
The CEC is a governing body in Australia that overlooks the sales and installation of solar power-related products to ensure safety and quality for the customers.
Can you Retrofit a Battery to the Huawei Sun2000 KTL M1 Solar Inverter?
You can easily connect these solar inverters with a Huawei LUNA or an LG Chem battery.
Huawei Sun2000 KTL M1 inverters are compatible with various batteries on the market, including the Huawei LUNA or LG Chem batteries. These inverters have a plug-and-play capability that makes for easy connection with batteries. You don’t require any extra devices and won’t pay additional retrofit costs.
Huawei’s solar inverters are “battery-ready” since they come with multiple features that allow you to add batteries in the future without any AC main grids. With such a time-saving feature, it’s no surprise that these solar inverters are so popular.
Moreover, these inverters also offer the capability of remote solar monitoring through the updated version of the app. With these inverters, you can do it straight from your Android phone, iOS, Mac Mini, MacBook Pro, MacBook Air, or iPad Pro.
Is the Huawei Sun2000 KTL M1 a High-Quality and Valuable Inverter? Our Opinion
The Huawei Sun2000 KTL M1 inverter range features top-of-the-line cores to boost your solar panels’ capability. The inverters are entirely safe and help alleviate the risk of DC arcing. You’ll also find their silent nature a godsend on hot days.
Solar monitoring is seamless with the Sun2000 KTL M1, and you can do it on any device. These capabilities and other features account for the high demand for the Huawei Sun2000 KTL M1 inverter range.
Here’s an overview of the advantages and limitations of the Huawei Sun2000 KTL M1 inverter range:
The Huawei Sun2000 KTL M1 comes integrated with a battery charger that connects them with a battery. This solar inverter is battery-ready as it is compatible with a wide range of batteries. If reliability is what you’re after, you can’t go wrong with the SUN2000 KTL M1.
Another benefit of using Huawei Sun2000 inverters is their natural cooling technology. This means the ability to regulate the temperature of the units without requiring noisy fans. With this feature, Huawei Sun2000 inverters are perfect for installation in residential areas.
These solar inverters are also ideal for commercial applications. The absence of fans makes for more durability as there’s a lower risk of corrosion over time. It also makes the solar inverter safer to use.
The Huawei Sun2000 inverter range contains no Emergency Power Supply mode (EPS), meaning you can’t operate your solar battery during a blackout (grid outage).
This is a significant limitation as it renders your solar battery effectively useless. After all, the primary goal of installing solar batteries is to provide backup power to the grid.
Huawei inverters don’t exactly thrive when installed in salt-prone areas either. The manufacturer manual suggests avoiding installations in areas prone to sea breeze or within 500m of the coast.
The Sun2000 KTL M1 inverter is IP65 rated, but installing it in these regions may upset your ability to claim a warranty.
With some of the best solar inverters on the market, the China-based Huawei is undoubtedly a leading name in the solar industry world, with a significant market share. Their inverters boast numerous built-in features to ensure high performance and efficiency.
Huawei Sun2000 KTL M1 inverters are a must if you’re looking for reliability. Thanks to their natural cooling system, these solar inverters regulate the temperature of the units without requiring noisy fans. The AI-powered Active Arcing Protection also alleviates the risk of fires due to overheating.
With our detailed review, we have found the Sun2000 KTL M1 solar inverter range to be an excellent solution for residential and commercial applications. You’ll find the perfect answer to your solar needs within the 5kW to 10kW models.
Check out more solar inverter reviews on the Instyle Solar Blog!
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