# Growatt MID~33 50KTL3 X2(Pro.E)

Type: solar inverter
Manufacturer: Growatt
URL: https://inverterdata.com/en/growatt/growatt-mid-33-50ktl3-x2-pro-e/
Manufacturer source: https://www.growatt.com/products/mid~33-50ktl3-x2(pro.e)
Database: InverterData (inverterdata.com)
License: free to quote with attribution to inverterdata.com

## Overview

Mid-size commercial rooftops are where the Growatt MID X2 (Pro.E) platform belongs, and the 33 to 50 span in its name marks a family of ratings built on one common design rather than a single machine.

Efficiency is the headline figure: a maximum of 98.8%, which leaves very little of the array's output to be shed as heat and keeps the cooling requirement modest even on a hot roof in mid-afternoon. On the DC side, each MPPT input accepts up to 20 A — a current matched to ordinary commercial module strings rather than to high-current utility hardware.

An IP66 enclosure completes the picture, sealing the electronics against dust and against high-pressure water from any direction so the unit can hang on an exterior wall close to the array. Other datasheet values, output power and voltage window among them, remain unconfirmed for this family and are left unstated.

## Specifications

| Specification | Value |
| --- | --- |
| Maximum Efficiency | 98.8 % |
| Maximum DC Input Current per MPPT | 20 A |
| Enclosure Protection Rating | IP66 |

Not published by the manufacturer: Nominal AC Power, Maximum AC Power, European Efficiency, MPPT Voltage Range, Maximum DC Input Voltage, Number of MPPT Channels, AC Output Voltage, AC Output Frequency, Output Wave Type, Total Harmonic Distortion (THD), Weight, Operating Temperature Range, Inverter Type, Number of Phases.

## Frequently asked questions

### What is the Growatt MID 33-50KTL3-X2 (Pro.E) used for?

MID is Growatt's mid-scale commercial three-phase line, and the MID 33-50KTL3-X2 (Pro.E) sits near the top of it, catalogued for commercial rooftops or small ground-mount sites rather than a single home. Its recorded maximum efficiency of 98.8 percent matches the best commercial units on this site, keeping conversion losses low across a working day of varying output.

### What does the 33-50KTL3 span in the MID 33-50KTL3-X2 (Pro.E) name mean?

The "33-50" in MID 33-50KTL3-X2 (Pro.E) names a family spanning roughly 33 to 50 kW of AC power, and Growatt does not publish which single wattage in that range this catalog entry represents. What is verified for this listing is 98.8 percent maximum efficiency and a 20 A maximum DC input current per MPPT channel, both specific to this entry rather than the whole family.

### How much DC current can each MPPT input on the Growatt MID 33-50KTL3-X2 (Pro.E) handle?

The Growatt MID 33-50KTL3-X2 (Pro.E) accepts up to 20 A of DC input current per MPPT channel. That is a moderate figure compared to the larger commercial and utility Growatt units on this site, so an installer working with high-short-circuit-current modules should check panel counts per string carefully rather than assuming the same headroom as a bigger inverter.

### Can the Growatt MID 33-50KTL3-X2 (Pro.E) be installed outdoors?

The Growatt MID 33-50KTL3-X2 (Pro.E) carries an IP66 enclosure rating, meaning it is sealed against dust and protected against powerful water jets from any direction, which keeps outdoor mounting within its specification. Temperature range and weight are not recorded for this listing, so installers should check those figures on the manufacturer's datasheet before a rooftop or ground install.

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