---
title: "GoodWe GW17K-SDT-CN-G40 vs Growatt MID 17KTL3-X - Inverter Comparison | ComparePV"
description: "Compare GoodWe GW17K-SDT-CN-G40 vs Growatt MID 17KTL3-X side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gw17k-sdt-cn-g40/growatt-mid-17ktl3-x"
updated: 2026-01-16
---

# GoodWe GW17K-SDT-CN-G40 vs Growatt MID 17KTL3-X

GW17K-SDT-CN-G40 leads on the differences that matter

The largest is weight: 6.0 kg lighter. 8 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [GoodWe GW17K-SDT-CN-G40](https://comparepv.com/inverter/goodwe-gw17k-sdt-cn-g40) | [Growatt MID 17KTL3-X](https://comparepv.com/inverter/growatt-mid-17ktl3-x) |
| Manufacturer | GoodWe | Growatt |
| Rated AC power | 17 kW | 17 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | GW17K-SDT-CN-G40 | MID 17KTL3-X | Difference |
| --- | --- | --- | --- |
| Weight | 17.0 kg | 23.0 kg | -6.0 kg for GW17K-SDT-CN-G40 |
| Max AC power | 18.70 kW | 18.80 kW | 0.10 kW apart |
| Nominal AC voltage | 380 V | 400 V | 20 V apart |
| Start voltage | 160 V | 250 V | -90 V for GW17K-SDT-CN-G40 |
| Weight per kW | 1.0 kg/kW | 1.4 kg/kW | -0.4 kg/kW for GW17K-SDT-CN-G40 |
| Ingress protection | IP66 | IP65 | IP66 vs IP65 |
| Max AC current | 28.4 A | 27.4 A | 1.0 A apart |
| MPPT voltage range | 140-1000 V | 200-1000 V | 140-1000 V vs 200-1000 V |
| Dimensions | 413x530x211 mm | 395x525x222 mm | 413x530x211 mm vs 395x525x222 mm |


## Every compared parameter


| Parameter | GW17K-SDT-CN-G40 | MID 17KTL3-X |
| --- | --- | --- |
| Rated AC power | 17.00 kW | 17.00 kW |
| Max AC power | 18.70 kW | 18.80 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 380 V | 400 V |
| Max AC current | 28.4 A | 27.4 A |
| Max PV power | - | 25.50 kW |
| DC/AC ratio | - | 1.50 |
| Max DC voltage | 1100 V | 1100 V |
| MPPT voltage range | 140-1000 V | 200-1000 V |
| Start voltage | 160 V | 250 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | 2 | - |
| Max input current per tracker | 21.0 A | - |
| European efficiency | - | 98.6 % |
| Max efficiency | 98.6 % | 98.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 17.0 kg | 23.0 kg |
| Weight per kW | 1.0 kg/kW | 1.4 kg/kW |
| Dimensions | 413x530x211 mm | 395x525x222 mm |
| Ingress protection | IP66 | IP65 |
| Cooling | forced-air | forced-air |
| Noise | 45 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | - | Yes |
| Ethernet | - | Yes |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | 5 yrs |


## Related comparisons

- [GoodWe GW17K-SDT-CN-G40 vs Huawei SUN2000-17KTL-M0](https://comparepv.com/compare-inverters/goodwe-gw17k-sdt-cn-g40/huawei-sun2000-17ktl-m0) - 10 differences, the largest is weight
- [GoodWe GW17K-SDT-CN-G40 vs Huawei SUN2000-17KTL-M2](https://comparepv.com/compare-inverters/goodwe-gw17k-sdt-cn-g40/huawei-sun2000-17ktl-m2) - 10 differences, the largest is weight
- [GoodWe GW17K-SDT-CN-G40 vs Sungrow SG17RT-20](https://comparepv.com/compare-inverters/goodwe-gw17k-sdt-cn-g40/sungrow-sg17rt-20) - 9 differences, the largest is max input current per tracker
- [Growatt MID 17KTL3-X vs SOFAR 17KTLX-G3](https://comparepv.com/compare-inverters/growatt-mid-17ktl3-x/sofar-solar-sofar-17ktlx-g3) - 6 differences, the largest is european efficiency


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Source: https://comparepv.com/compare-inverters/goodwe-gw17k-sdt-cn-g40/growatt-mid-17ktl3-x

Not in this file, on the page: a written summary generated on request.