Technical Specifications of Growatt Inverter MAX 150KTL3-X LV
DC Input Specifications
Specification
Value
Maximum Recommended PV Power
225000W / 225kW
Maximum DC Voltage
1100VDC
Start-up Voltage
195VDC
Nominal DC Voltage
600VDC
MPPT Voltage Range
180–1000VDC
Number of MPPTs
10
PV Inputs per MPPT
6×2 + 4×3
Maximum Input Current per MPPT
45A
Maximum Short-Circuit Current per MPPT
56.5A
Maximum Current per String
22.5A
DC Reverse Polarity Protection
Yes
DC Switch
Yes
Fuse-Free Design
Yes
AC Output Specifications
Specification
Value
Rated AC Power
150kW
Maximum AC Apparent Power
165kVA
Maximum Output Current at 400V
238.2A
Maximum Output Current at 380V
250.7A
Nominal AC Voltage
220/380V or 230/400V
AC Voltage Range
340–440V
Grid Frequency
50/60Hz
Frequency Range
45–55Hz / 55–65Hz
Grid Connection Type
3W/N/PE
Adjustable Power Factor
0.8 Leading to 0.8 Lagging
THDi
<3%
Efficiency and Performance
Specification
Value
Maximum Efficiency
98.8%
European Efficiency
98.4%
MPPT Efficiency
99.9%
Topology
Transformerless
Nighttime Power Consumption
<1W
Cooling
Smart Air Cooling
Protection Features of Growatt MAX 150KTL3-X LV
Protection Feature
Status
DC Reverse Polarity Protection
✅ Yes
DC Switch
✅ Yes
AC/DC Surge Protection
✅ SPD Type II / Type II
Insulation Resistance Monitoring
✅ Yes
AC Short-Circuit Protection
✅ Yes
Ground Fault Monitoring
✅ Yes
String Detection
✅ Yes
Anti-PID
✅ Yes
Arc Fault Detection (AFCI)
Optional
Monitoring and Smart Features
Feature
Status
Smart I/V Scan & Diagnosis
✅
Intelligent String Monitoring
✅
String Monitoring
✅
Anti-PID
✅
AFCI
Optional
RS485 Communication
✅
USB
✅
PLC
Optional
GPRS
Optional
4G
Optional
WiFi
Optional
Physical Specifications
Specification
Value
Dimensions (W × H × D)
1075 × 640 × 367 mm
Weight
93 kg
Protection Rating
IP66
Cooling Type
Smart Air Cooling
Topology
Transformerless
Nighttime Power Consumption
<1W
Environmental Conditions and Installation
Specification
Value
Operating Temperature
-30°C to +60°C
Relative Humidity
0–100%
Maximum Installation Altitude
4000 m
Protection Rating
IP66
Recommended Applications
Application
Suitability
Description
Commercial Solar Power Plant
⭐⭐⭐⭐⭐ Excellent
150kW power rating and multiple MPPTs make it suitable for commercial solar projects
Industrial Solar Power Plant
⭐⭐⭐⭐⭐ Excellent
Suitable for high-capacity PV systems
Large Solar Power Plant
⭐⭐⭐⭐⭐ Excellent
Supports a recommended PV array capacity of up to 225kW
Multi-String PV Projects
⭐⭐⭐⭐⭐ Excellent
Equipped with 10 independent MPPTs
Projects with Different Panel Orientations
⭐⭐⭐⭐⭐ Excellent
Multiple MPPTs allow PV arrays with different operating conditions to be managed efficiently
Industrial Rooftop Solar System
⭐⭐⭐⭐⭐ Excellent
Suitable for high-capacity commercial and industrial rooftop projects
Small Residential System
⭐ Not Suitable
150kW capacity is significantly higher than the requirements of typical residential applications
Off-Grid System
❌ Not Suitable
This model is designed for grid-connected solar systems
Battery Energy Storage System
⚠️ Design Dependent
The overall system architecture and separate energy storage equipment must be evaluated
Frequently Asked Questions About Growatt MAX 150KTL3-X LV
What is the rated power of the Growatt MAX 150KTL3-X LV?
The Growatt MAX 150KTL3-X LV has a rated AC output power of 150kW and a maximum apparent power of 165kVA.
What is the maximum recommended PV power for the Growatt MAX 150KTL3-X LV?
The maximum recommended PV array power is 225kW under STC conditions. The final PV configuration should also be determined according to the electrical characteristics of the selected solar panels, temperature conditions, and string configuration.
How many MPPTs does the Growatt MAX 150KTL3-X LV have?
The Growatt MAX 150KTL3-X LV is equipped with 10 independent MPPTs, allowing multiple PV arrays with different operating conditions to be managed efficiently.
What is the MPPT voltage range of the Growatt MAX 150KTL3-X LV?
The MPPT operating voltage range is 180–1000VDC, while the maximum DC voltage is 1100VDC.
What is the maximum input current per MPPT?
The maximum input current per MPPT is 45A, while the maximum short-circuit current per MPPT is 56.5A.
What is the maximum current per PV string?
The maximum current per PV string is specified as 22.5A for the Growatt MAX 150KTL3-X LV.
What is the nominal AC voltage of the Growatt MAX 150KTL3-X LV?
The inverter supports a nominal AC voltage of 220/380V or 230/400V, with an AC voltage range of 340–440V.
What is the efficiency of the Growatt MAX 150KTL3-X LV?
The maximum efficiency is 98.8%, the European efficiency is 98.4%, and the MPPT efficiency is 99.9%.
Is the Growatt MAX 150KTL3-X LV suitable for On-Grid solar systems?
Yes. The Growatt MAX 150KTL3-X LV is a grid-connected solar inverter designed for commercial, industrial, and large-scale PV projects.
Is the Growatt MAX 150KTL3-X LV suitable for Off-Grid systems?
No. This model is designed for grid-connected PV systems. Off-grid projects require an appropriate off-grid or hybrid inverter based on the system design.
What is the maximum DC voltage of the Growatt MAX 150KTL3-X LV?
The maximum DC input voltage is 1100VDC.
Does the Growatt MAX 150KTL3-X LV have DC protection?
Yes. The inverter includes DC reverse polarity protection, a DC switch, surge protection, insulation resistance monitoring, and other protective functions.
Does the Growatt MAX 150KTL3-X LV support AFCI?
Yes, AFCI arc fault detection is available as an optional feature.
What is the protection rating of the Growatt MAX 150KTL3-X LV?
The Growatt MAX 150KTL3-X LV has an IP66 protection rating, making it suitable for demanding outdoor installation environments.
Does the Growatt MAX 150KTL3-X LV support string monitoring?
Yes. The inverter provides intelligent string monitoring and string detection functions, along with Smart I/V Scan & Diagnosis.
What communication interfaces are available on the Growatt MAX 150KTL3-X LV?
The inverter supports RS485 and USB communication. PLC, GPRS, 4G, and WiFi are available as optional communication features.
What is the operating temperature range of the Growatt MAX 150KTL3-X LV?
The specified operating temperature range is -30°C to +60°C.
What is the maximum installation altitude of the Growatt MAX 150KTL3-X LV?
The maximum installation altitude specified for the inverter is 4000 meters.
Is the Growatt MAX 150KTL3-X LV suitable for industrial rooftop solar systems?
Yes. With a 150kW rated output, 10 independent MPPTs, and support for PV arrays up to the recommended 225kW capacity, it is suitable for high-capacity commercial and industrial rooftop PV projects.
Does the Growatt MAX 150KTL3-X LV support battery storage systems?
Battery energy storage applications depend on the overall system architecture and require separate evaluation of the energy storage equipment and system design.
5/5 - (2 votes)
1 review for Growatt Inverter MAX 150KTL3-X LV
Rated 5 out of 5
Sajinme –
Could you please confirm the maximum DC input power and maximum PV input current of the Growatt MAX 150KTL3-X LV?
webmaster –
Hi, 225 kW, with a maximum PV input current of 40A per MPPT
1 review for Growatt Inverter MAX 150KTL3-X LV
Sajinme –
Could you please confirm the maximum DC input power and maximum PV input current of the Growatt MAX 150KTL3-X LV?
webmaster –
Hi, 225 kW, with a maximum PV input current of 40A per MPPT