Growatt MAX 150KTL3-X LV 150kW Solar Inverter
Growatt MAX 150KTL3-X LV – 150kW Solar Inverter
- 150kW Three-Phase Grid-Tied Solar Inverter
- Up to 225kW Recommended PV Input Power
- 10 MPPTs for optimized energy harvesting
- Up to 45A input current per MPPT
- Supports high-power and bifacial solar modules
- Up to 1.5 DC/AC oversizing ratio
- Maximum efficiency up to 98.8%
- Type II SPD protection on both DC and AC sides
- AFCI protection for enhanced fire safety
- IP66 protection for harsh outdoor environments
- Smart string monitoring and advanced system diagnostics
- Compatible with both Aluminum and Copper AC cables
- Supports DC 2-in-1 string connection
- Optional PLC communication
- Wide MPPT voltage range: 180–1000V
- Maximum DC voltage: 1100V
- RS485, USB and optional WiFi/4G communication
- Suitable for large-scale commercial and industrial solar projects
$3,400
Description
Growatt MAX 150KTL3-X LV Specifications
AC Output and Grid Characteristics
| Parameter | Specification |
|---|---|
| Rated Output Power | 150kW |
| Maximum Apparent Power | 165kVA |
| Nominal Grid Voltage | 220/380V or 230/400V |
| Permitted AC Voltage Range | 340–440V |
| Maximum Output Current at 400V | 238.2A |
| Maximum Output Current at 380V | 250.7A |
| Grid Frequency | 50/60Hz |
| Frequency Range | 45–55Hz / 55–65Hz |
| Grid Connection | 3W/N/PE |
| Power Factor | 0.8 Leading to 0.8 Lagging |
| THDi | <3% |
| System Type | On-Grid / Grid-Tied |
| Phase Configuration | Three-Phase |
PV Input and MPPT Configuration
| Parameter | Specification |
|---|---|
| Recommended Maximum PV Capacity | 225kW |
| Maximum DC Input Voltage | 1100VDC |
| Start-Up Voltage | 195VDC |
| Nominal DC Voltage | 600VDC |
| MPPT Operating Range | 180–1000VDC |
| MPPT Trackers | 10 |
| PV Inputs per MPPT | 6×2 + 4×3 |
| Maximum MPPT Input Current | 45A |
| Maximum Short-Circuit Current per MPPT | 56.5A |
| Maximum String Current | 22.5A |
Conversion Efficiency and Operating Performance
| Performance Parameter | Value |
|---|---|
| Peak Efficiency | 98.8% |
| European Efficiency | 98.4% |
| MPPT Efficiency | 99.9% |
| Inverter Topology | Transformerless |
| Night-Time Consumption | <1W |
| Cooling System | Smart Air Cooling |
Built-In Protection and Safety
| Protection Function | Availability |
|---|---|
| DC Reverse-Polarity Protection | ✅ Yes |
| Integrated DC Switch | ✅ Yes |
| AC/DC Surge Protection | ✅ Type II / Type II SPD |
| Insulation Resistance Monitoring | ✅ Yes |
| AC Short-Circuit Protection | ✅ Yes |
| Ground-Fault Monitoring | ✅ Yes |
| PV String Detection | ✅ Yes |
| Anti-PID Function | ✅ Yes |
| AFCI Arc-Fault Detection | Optional |
Intelligent Monitoring and Communication
| Function | Availability |
|---|---|
| Smart I/V Scan & Diagnosis | ✅ |
| Intelligent String Monitoring | ✅ |
| String Monitoring | ✅ |
| Anti-PID | ✅ |
| AFCI | Optional |
| RS485 | ✅ |
| USB | ✅ |
| PLC Communication | Optional |
| GPRS | Optional |
| 4G | Optional |
| WiFi | Optional |
Mechanical and Environmental Specifications
| Parameter | Specification |
|---|---|
| Dimensions (W × H × D) | 1075 × 640 × 367 mm |
| Net Weight | 93kg |
| Enclosure Protection | IP66 |
| Cooling Method | Smart Air Cooling |
| Construction | Transformerless |
| Operating Temperature | -30°C to +60°C |
| Relative Humidity | 0–100% |
| Maximum Installation Altitude | 4000m |
| Night-Time Consumption | <1W |
Where Is the Growatt MAX 150KTL3-X LV Best Used?
| Project Type | Rating | Why It Fits |
|---|---|---|
| Commercial PV Plant | ⭐⭐⭐⭐⭐ Excellent | 150kW output and multiple MPPT channels make it suitable for large commercial arrays. |
| Industrial Solar Installation | ⭐⭐⭐⭐⭐ Excellent | Designed for high-capacity PV generation and demanding C&I applications. |
| Large-Scale Solar Plant | ⭐⭐⭐⭐⭐ Excellent | Supports a recommended PV array capacity of up to 225kW. |
| Multi-String PV Project | ⭐⭐⭐⭐⭐ Excellent | 10 MPPT trackers provide flexible string management. |
| Different Panel Orientations | ⭐⭐⭐⭐⭐ Excellent | Multiple MPPTs help manage arrays operating under different conditions. |
| Industrial Rooftop PV | ⭐⭐⭐⭐⭐ Excellent | Well suited to large commercial and industrial rooftop systems. |
| Small Residential Solar System | ⭐ Not Recommended | A 150kW inverter is considerably larger than the requirements of a typical home. |
| Off-Grid Installation | ❌ Not Suitable | This is a grid-connected inverter rather than a standalone off-grid model. |
| Battery Storage Project | ⚠️ Design Dependent | Compatibility depends on the complete system architecture and separate storage equipment. |
Typical PV System Design Examples
| Project Scenario | Approx. PV Capacity | Typical System Role |
|---|---|---|
| Medium Commercial Rooftop | 150–180kW | Commercial grid-connected generation |
| Large Industrial Rooftop | 180–225kW | High-capacity industrial PV generation |
| Ground-Mounted PV Plant | Up to 225kW recommended | Utility-style commercial PV installation |
| Complex Multi-Orientation Roof | Project Dependent | Separate MPPT management for different arrays |
| Small Residential Installation | Not Recommended | Excessive inverter capacity |
| Off-Grid Power System | Not Recommended | Requires an appropriate off-grid/hybrid architecture |
Growatt MAX 150KTL3-X LV FAQs
The Growatt MAX 150KTL3-X LV is a three-phase grid-connected (On-Grid) PV inverter designed primarily for commercial and industrial solar installations.
Its rated AC output is 150kW, while its maximum apparent power is rated at 165kVA.
Yes. The recommended maximum PV array capacity is 225kW, allowing the system to use DC oversizing relative to the 150kW AC output.
The MAX 150KTL3-X LV has 10 independent MPPT trackers, allowing different PV array conditions to be managed separately.
The maximum DC input voltage is 1100VDC, while the MPPT operating range extends from 180VDC to 1000VDC.
The maximum input current per MPPT is specified as 45A, with a maximum short-circuit current of 56.5A per MPPT.
It is a three-phase solar inverter intended for three-phase grid-connected PV systems.
The nominal AC voltage is 220/380V or 230/400V, with a specified operating range of 340–440V.
The stated maximum efficiency is 98.8%, while the European efficiency is 98.4% and MPPT efficiency reaches 99.9%.
No. The MAX 150KTL3-X LV is intended for grid-connected operation. An off-grid project requires an inverter specifically designed for standalone operation.
Its 150kW AC output, 225kW recommended PV capacity, 10 MPPT trackers, high DC voltage capability, and string-level monitoring functions make it suitable for large commercial and industrial PV systems.
Yes. DC reverse-polarity protection is included, along with an integrated DC switch and other AC/DC protection functions.
Yes. The specified protection system includes Type II surge protection on the DC and AC sides.
AFCI arc-fault detection is available as an optional feature according to the specified configuration.
The inverter provides intelligent string monitoring, string detection, and Smart I/V Scan & Diagnosis functions for identifying abnormal PV string behavior.
RS485 and USB are available, while PLC, GPRS, 4G, and WiFi can be provided as optional communication solutions depending on the configuration.
The inverter has an IP66 enclosure rating, providing a high level of protection against dust and water for suitable outdoor installations.
Yes. Its 150kW output, multiple MPPT trackers, high PV input capability, and IP66 enclosure make it well suited to commercial and industrial rooftop PV applications.
The specified operating temperature range is -30°C to +60°C.
Battery storage should be evaluated as part of the complete system architecture. Separate energy storage equipment and the overall electrical design need to be considered for such applications.
The specified maximum installation altitude is 4000 meters.
The inverter uses Smart Air Cooling to manage operating temperature during power conversion.
Generally, no. With a 150kW rated output, this model is intended for high-capacity commercial and industrial PV systems rather than typical residential installations. What type of solar inverter is the Growatt MAX 150KTL3-X LV?
How much AC power can the MAX 150KTL3-X LV deliver?
Can the MAX 150KTL3-X LV accept more PV capacity than its AC rating?
How many MPPT channels are available on this Growatt inverter?
What DC voltage can be applied to the inverter?
What is the maximum PV input current of each MPPT?
Is the MAX 150KTL3-X LV a single-phase or three-phase inverter?
What AC voltage does the Growatt MAX 150KTL3-X LV support?
What efficiency can be expected from the MAX 150KTL3-X LV?
Can this inverter be installed in an off-grid solar system?
What makes the MAX 150KTL3-X LV suitable for large PV arrays?
Does the inverter provide protection against DC polarity reversal?
Does the MAX 150KTL3-X LV include surge protection?
Is AFCI available on this Growatt model?
How does the inverter monitor PV strings?
What communication options are available?
What is the IP rating of the Growatt MAX 150KTL3-X LV?
Can the MAX 150KTL3-X LV be used for industrial rooftop projects?
What is the operating temperature range of this inverter?
Does the MAX 150KTL3-X LV support battery storage?
What is the maximum installation altitude?
What cooling system is used in the MAX 150KTL3-X LV?
Is the Growatt MAX 150KTL3-X LV suitable for a small home?
1 review for Growatt MAX 150KTL3-X LV 150kW Solar Inverter
RELATED PRODUCTS
1 review for Growatt MAX 150KTL3-X LV 150kW Solar Inverter
-
Ahmed Aghlu –
Rated 5 out of 5Does the Growatt MAX 150KTL3-X LV support 150 kW continuous AC output at high temperatures, and what is its maximum operating temperature and derating performance?
-
webmaster –
Hello, Yes, it supports continuous 150 kW output, with power derating at higher
-

Ahmed Aghlu –
Does the Growatt MAX 150KTL3-X LV support 150 kW continuous AC output at high temperatures, and what is its maximum operating temperature and derating performance?
webmaster –
Hello, Yes, it supports continuous 150 kW output, with power derating at higher