---
path: "p/PV02.0181002/growatt-string-inverter-3ph-mid-40ktl3x2"
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title: "Growatt MID 40KTL3-X2 Inverter | 40kW 3-Phase"
description: "Powerful 40 kW 3-phase string inverter for commercial solar installations. With 4 MPPTs, AFCI, and high efficiency for maximum yield and reliability."

type: product_page

---

# Growatt String Inverter 3PH MID 40KTL3-X2 - Art.No.: PV02.0181002

## Specifications

- **Brand**: Growatt
- **HS code**: 8504403090
- **Manufactor**: Growatt
- **Net Height**: 230 MILLIMETER
- **Net Length**: 580 MILLIMETER
- **Net Weight**: 38 KILOGRAM
- **Net Width**: 435 MILLIMETER
- **Origin**: China
- **Arc-fault circuit interrupter**: Yes
- **Display**: Yes
- **Ingress Protection**: IP66
- **Max. input power**: 60000 WATT
- **Max. output apparent power**: 44400 VOLTAMPERE
- **Max. output current**: 67.3 AMPERE
- **Max. output power**: 40000 WATT
- **Number of MPPT**: 4
- **Number of phases**: 3 phase
- **System**: Growatt MID-X2 Series
- **Type**: String
- **Warranty in Years**: 5

## Growatt String Inverter 3PH MID 40KTL3-X2


The Growatt MID 40KTL3-X2 is a powerful and reliable 3-phase string inverter, specifically designed for large-scale commercial and industrial solar projects. This inverter combines high efficiency with advanced safety features for maximum and stable energy yield.


### Key benefits


- **High energy yield:** With a maximum efficiency of 98.8% and 4 independent MPPTs, this inverter ensures optimal energy production, even with complex roof configurations or shading.
- **Advanced safety:** Equipped as standard with active Arc-Fault Circuit Interrupter (AFCI) and Type II Surge Protection Device (SPD) on both the DC and AC sides, increasing system reliability and minimising fire risk.
- **Flexible system design:** The 4 MPPTs support a total of 8 strings (2 per MPPT), offering a high degree of flexibility when designing the PV system on large or fragmented roof surfaces.
- **Intelligent monitoring:** Fully compatible with the Growatt Shine monitoring platforms (WiFi/LAN/4G modules optionally available). This enables comprehensive remote O&M (Operations & Maintenance), including smart I-V curve diagnosis.
- **Robust and durable:** The inverter has an IP66 rating, protecting it against dust and powerful water jets. This allows for safe installation in demanding outdoor environments.


### Applications


The Growatt MID 40KTL3-X2 is the ideal choice for project developers and installers focusing on commercial and industrial properties. The inverter is perfectly suited for solar installations on the roofs of factories, distribution centres, large agricultural businesses, and for small-scale ground-mounted solar farms.


### Warranty and durability


This product comes with a standard 5-year manufacturer's warranty, which can be extended. The IP66-certified housing and fanless cooling concept ensure a long lifespan and reliable operation within a wide temperature range of -25°C to +60°C.

## Downloads

- [MID 33 50KTL3 X2 EU](https://cdn.estg.eu/p/a/1/0/4/a104d5cb9fab697aa740935a662cf9049d6dfde6_MID_33_50KTL3_X2_EU.pdf)
- [GROWATT ENERGY STORAGE CONFIGURATION QUICK CHECK LIST](https://cdn.estg.eu/p/6/b/e/4/6be4ae876d6f8fe2042e1afa188e1aafc4f54d9d_GROWATT_ENERGY_STORAGE_CONFIGURATION_QUICK_CHECK_LIST.pdf)
- [MID 33 50KTL3 X2 User Manual EN 202305](https://cdn.estg.eu/p/e/d/1/7/ed1700a0c8f0bac036c919c30c7f24ef40e07e80_MID_33_50KTL3_X2_User_Manual_EN_202305.pdf)