Growatt MID 40KTL3-X - inverter on-grid 40 kW
Growatt MID 40KTL3-X it's an inverter on-grid with power 40 kW from the offer PVGroup.pl. This is a grid-tied inverter (on-grid) with high efficiency, without the need for energy storage. The inverter is equipped with online monitoring and an IP66 housing for indoor and outdoor installation.
Growatt MID 40KTL3-X combines proven electronics Growatt with simple operation - it is an inverter that, when connected to the application ShinePhone gives you full control over your photovoltaic installation. This product sheet contains all the information about the model. MID 40KTL3-X: operating principle, installation selection, compatible accessories, and full technical specifications from the manufacturer's catalog card. All parameters are taken from official documentation. Growatt — we provide them to facilitate device selection and avoid costly mistakes during the design phase. If you still have questions, our technical team will help you select an inverter and other components for your photovoltaic installation, free of charge.
Expert opinion
Opinion of the technical team PVGroup.pl
"Growatt MID The 40KTL3-X is a reliable grid-tie inverter for installations designed for maximum self-consumption. We emphasize the correct selection of string lengths for the power and number of trackers. MPPT — we will help with the installation design.”
— Technical team PVGroup.pl
How Growatt MID 40KTL3-X
Growatt MID 40KTL3-X is a three-phase grid-tie inverter (on-grid) for corporate and larger home installations. It feeds energy from the panels into the grid. It does not support energy storage.
Growatt MID 40KTL3-X has 3 independent trackers MPPT, which allows you to connect strings of various orientations and lengths and maintain high yields even when the roof is partially shaded. You can monitor the installation's progress in real time in the app. ShinePhone and the portal ShineServer — with failure alerts and production history.
Who is this inverter for?
- Commercial and agricultural installations focused on self-consumption.
- Companies with high daily energy consumption.
- PV Farms and Larger Roofs — many independent trackers MPPT.
- Installers looking for a reliable 3-phase platform.
Key features and functions
- 3 independent trackers MPPT — flexible string selection and better yield in shading.
- 3-phase operation
- Many independent MPPT
- String monitoring
- IP66 housing — installation inside and outside the building.
- Online monitoring - app ShinePhone and the portal ShineServer over Wi-Fi.
Power selection and installation configuration
Inverter power Growatt MID 40KTL3-X is selected according to the installed panel power - on the DC side, a slight oversizing is usually used (DC/AC ratio slightly above 1) to better utilize the yield during off-peak hours and in months with lower sunlight. The number and length of strings is planned according to the number of trackers MPPT and operating voltages specified in the manufacturer's catalog card - thanks to this, the inverter starts early in the morning and works until dusk.
For larger installations, it's worth separating the modules into several independent strings with similar orientations to reduce the impact of shading and differences in solar exposure across the roof surface. Proper configuration translates directly into annual energy yield and a faster return on investment. If you're unsure how many panels to connect to Growatt MID 40KTL3-X and how to divide them into trackers, send us a project or a list of modules - we will verify the selection free of charge before purchasing and propose the optimal configuration (info@pvgroup.pl).
Growatt MID 40KTL3-X and auto-consumption and savings
Self-consumption is key in net-billing – the more energy you use on an ongoing basis, the lower your bills. Growatt MID 40KTL3-X ensures maximum yield from the panels, and you can see production and consumption in the application ShinePhoneIf you're planning an energy storage system, it's worth considering a hybrid option—we're happy to advise.
parameters MID 40KTL3-X in practice
Wide range of operating voltages MPPT (200-1000V) simplifies string length selection and allows for installation even in low-intensity conditions. The panel's maximum power rating of up to 60 kWp allows for oversizing on the DC side, which increases annual energy yield. High maximum efficiency (98.8%) means lower conversion losses and lower utility bills.
IP66 housing, operating temperature range -25°C … +60°C °C, cooling: Smart air cooling, weighs 30.5 kg with dimensions 580/435/230 mm - the inverter is suitable for indoor and outdoor installation.
Installation and operation
Growatt MID 40KTL3-X It's three-phase (230/400 V) and has an IP66 enclosure, so you can install it indoors or outdoors. Installation should be performed by a qualified installer in accordance with the manufacturer's instructions and grid connection conditions. After startup, the inverter reports to the app. ShinePhone and the portal ShineServer — you can remotely monitor production and consumption. The device is covered by a European service warranty (5 years according to the manufacturer); we issue a Polish VAT invoice for every order.
Key specifications
| Growatt MID 40KTL3-X — specification | |
|---|---|
| Nominal AC power | 40 kW |
| Inverter type | inverter on-grid |
| Number of phases | 3-phase (230/400V) |
| Number of trackers MPPT | 3 |
| Max. PV panel power | 60 kWp |
| Max DC voltage | 1100 V |
| Voltage range MPPT | 200-1000V V |
| Starting voltage | 250 V |
| Max input current / MPPT | 26 A |
| Max. short circuit current / MPPT | 32 A |
| Max AC output current | 66.6 A |
| AC network | 220V/380V, 230V/400V (340-440V); 50/60Hz (45-55Hz/55-65Hz) |
| Maximum efficiency | 98.8% |
| European efficiency | 98.5% |
| Output current THD | < <3%% |
| topology | Transformerless |
| Cooling | Smart air cooling |
| Working temperature range | -25°C … +60°C °C |
| Dimensions (W×H×D) | 580 / 435 / 230 mm |
| Weight | 30.5 kg |
| Level of security | IP66K |
| Monitoring | ShinePhone / ShineServer (Wi-Fi) |
| Producent code | 99630 |
| Warranty | European service warranty (5 years according to the manufacturer) |
Full electrical parameters (voltages and currents MPPT, efficiency, dimensions, weight) can be found in the manufacturer's catalog card.
What makes the series stand out - Growatt MID 40KTL3-X
Door Line MID are three-phase grid inverters Growatt — for larger auto-consumption installations.
What to pay attention to when choosing Growatt MID 40KTL3-X
When purchasing an inverter, it is crucial to match its power to the power of the panels and to correctly distribute the modules among the trackers. MPPT. Growatt MID 40KTL3-X is three-phase (230/400 V) and has 3 independent trackers MPPT, so it's worth planning the number and length of strings for the available operating voltages at the design stage. If you're planning an energy storage system in the future, consider a hybrid version right away to avoid replacing the device. It's also worth planning the installation location (ventilation, Wi-Fi access for monitoring) and reporting the installation to the grid operator. If in doubt, send us the design – we'll verify the selection free of charge before purchasing.
Monitoring and application - Growatt MID 40KTL3-X
Growatt MID 40KTL3-X works with a free application ShinePhone and the portal ShineServerOnce the inverter is connected to a Wi-Fi network, you have constant, remote access to energy production, yields from individual strings, and history for any period. The app sends notifications about outages and production drops, allowing the installer or owner to quickly respond to faults. For installers servicing multiple facilities Growatt provides service accounts with a single dashboard to view the entire inverter fleet—convenient when maintaining installations for multiple customers. Remote monitoring also simplifies warranty service: device performance data facilitates diagnosis without an on-site visit.
About the brand Growatt
Growatt is one of the world's largest manufacturers of photovoltaic inverters and energy storage systems, present in the PV market for over a decade and supplying devices for residential, commercial, and industrial installations in dozens of countries. The brand is distinguished by a wide range of inverters—from small single-phase inverters, through hybrids with energy storage, to large commercial units—and an extensive monitoring ecosystem. ShinePhone/ShineServer. IN PVGroup.pl we offer equipment Growatt from official European distribution, with full documentation, European service warranty and technical support in Polish.
See the model Growatt MID 40KTL3-X from the official European distributor Growatt: product page on growatt.tech.
Why is it worth buying at PVGroup.pl
- Original equipment from official European distribution — full documentation and certificates.
- European service warranty (5 years according to the manufacturer) and a Polish VAT invoice.
- Technical support and consulting — We'll help you choose the right inverter, battery, and accessories. Questions: info@pvgroup.pl.
- B2B wholesale prices — discounts for installers and companies after logging in.
Delivery, warranty and B2B support
Growatt MID 40KTL3-X We ship from a warehouse within the EU—orders are fulfilled by Raben, DPD, and Dachser carriers, with delivery to companies and construction sites throughout Poland and the European Union. Every order comes with a Polish VAT invoice, and the device is covered by a European service warranty (5 years according to the manufacturer) with our complaint handling service. Installers and renewable energy companies can log in and see wholesale net prices with a group discount. If you need a quote for larger quantities or a complete inverter + energy storage system, please contact info@pvgroup.pl and we will prepare a quote.
Most frequently asked questions
Czy Growatt MID 40KTL3-X works with energy storage?
No - it's a grid-tied inverter (on-grid) without battery support. If you need storage, choose a hybrid model.
How many phases and trackers MPPT ma MID 40KTL3-X?
The inverter is three-phase (230/400 V) and has 3 independent trackers MPPTNumber of trackers MPPT decides how many independent groups you can divide the panels into - this is important for roofs with different slope orientations.
Czy Growatt MID Can the 40KTL3-X be mounted outdoors?
Yes. The IP66 rating allows for indoor and outdoor installation. We recommend a shaded location, away from direct, prolonged sunlight, and with Wi-Fi access for monitoring.
What warranty does it cover? MID 40KTL3-X?
The product is covered by a European service warranty (5 years according to the manufacturer); we issue a Polish VAT invoice for the order.
Can I monitor the installation remotely?
Yes, via the app ShinePhone and the portal ShineServer over Wi-Fi - with an overview of energy production and consumption.
What is the difference between a hybrid inverter and a grid-connected inverter?on-grid)?
A grid-tied inverter delivers all the energy from the panels to the grid and the installation, but it doesn't work with a battery. A hybrid inverter can also store surplus energy in a battery and maintain power during a grid outage—making it more suitable for net billing.
Is the installation with an inverter MID Does 40KTL3-X need to be reported to the network operator?
Yes. A micro-installation connected to the grid is reported to the local operator (OSD), who installs the bidirectional meter. The formalities are usually handled by the installer; if you have any questions, we can help you complete the documentation.
Net wholesale prices with a B2B discount are visible after logging in. Log in to see net prices with a wholesale discount.
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