Growatt MAX 124~150KTL3-X MV On-Grid Solar Inverter
- Category: On-Grid Inverter
- Features
Product Description
Growatt MAX 124~150KTL3-X MV On-Grid Solar Inverter
The Growatt MAX 124–150KTL3-X MV is a high-efficiency three-phase on-grid solar inverter designed for commercial and industrial photovoltaic systems. Available in 124kW, 125kW, 136kW, and 150kW models, it features 10 MPPT trackers to maximize solar energy harvesting across multiple PV strings.
With up to 99.00% maximum efficiency, 480V AC grid compatibility, intelligent string monitoring, and IP66 protection, this Growatt grid-tie inverter provides a reliable solution for large-scale rooftop and ground-mounted solar power projects.
Product Features
10 MPPT Trackers: Optimize energy production across different PV strings.
High Conversion Efficiency: Up to 99.00% maximum efficiency and 99.90% MPPT efficiency.
High-Power PV Compatibility: Supports up to 16A string current and 32A per MPPT for compatible high-power and bifacial solar modules.
Flexible PV System Design: Supports a DC/AC ratio of up to 1.5.
Advanced Safety Protection: Type II AC/DC surge protection, DC reverse-polarity protection, and optional AFCI.
Outdoor Durability: IP66 protection rating and smart cooling for demanding installation environments.
Flexible Communication: RS485 and USB interfaces, with optional PLC communication.
Commercial-Scale Application: Suitable for large rooftop and ground-mounted grid-connected solar systems.
Technical Specifications
| Datasheet | MAX 124KTL3-X MV | MAX 125KTL3-X MV | MAX 136KTL3-X MV | MAX 150KTL3-X MV |
|---|---|---|---|---|
| Input data (DC) | ||||
| Max. recommended PV power (for module STC) | 186000W | 187500W | 204000W | 204000W |
| Max. DC voltage | 1100V | 1100V | 1100V | 1100V |
| Start voltage | 195V | 195V | 195V | 195V |
| Nominal voltage | 720V | 720V | 720V | 720V |
| MPP voltage range | 180V-1000V | 180V-1000V | 180V-1000V | 180V-1000V |
| No. of MPP trackers | 10 | 10 | 10 | 10 |
| No. of PV strings per MPP tracker | 2 | 2 | 2 | 2 |
| Max. input current per MPP tracker | 32A | 32A | 32A | 32A |
| Max. short-circuit current per MPP tracker | 40A | 40A | 40A | 40A |
| Output data (AC) | ||||
| AC nominal power | 124000W | 125000W | 136000W | 1500000W |
| Max. AC apparent power | 136400VA | 137500VA | 150000VA | 165000VA |
| Nominal AC voltage(range*) | 277V/480V422-528VAC | 277V/480V422-528VAC | 277V/480V422-528VAC | 277V/480V422-528VAC |
| AC grid frequency (range*) | 50/60 Hz (45~55Hz/59.5-60.5 Hz) | 50/60 Hz (45~55Hz/59.5-60.5 Hz) | 50/60 Hz (45~55Hz/59.5-60.5 Hz) | 50/60 Hz (45~55Hz/59.5-60.5 Hz) |
| Max. output current | 164.1A | 165.4A | 179.9A | 198.5A |
| Adjustable power factor | 0.8leading ...0.8lagging | 0.8leading ...0.8lagging | 0.8leading ...0.8lagging | 0.8leading ...0.8lagging |
| THDi | <3% | <3% | <3% | <3% |
| AC grid connection type | 3W/N/PE | 3W/N/PE | 3W/N/PE | 3W/N/PE |
| Efficiency | ||||
| Max.efficiency | 99.00% | 99.00% | 99.00% | 99.00% |
| European efficiency | 98.50% | 98.50% | 98.50% | 98.50% |
| MPPT efficiency | 99.90% | 99.90% | 99.90% | 99.90% |
| General data | |
|---|---|
| Dimensions (W / H / D) | 970/640/345mm |
| Weight | 84kg |
| Operating temperature range | −30°C … +60°C |
| Nighttime power consumption | < 1W |
| Topology | Transformerless |
| Cooling | Smart Cooling |
| Protection degree | IP66 |
| Relative humidity | 0~100% |
| Altitude | 4000m |
| DC connection | H4/MC4 |
| AC connection | OT Terminal connectors (Max. 240mm²) |
| Display | LED/WIFI+APP |
| Interfaces: RS485 / USB /PLC | Yes/Yes /Optional |
| Warranty: 5 years / 10 years | Yes /Optional |
FAQ:
Q1: What power ratings are available in the Growatt MAX 124–150KTL3-X MV series?
A: The series includes 124kW, 125kW, 136kW, and 150kW three-phase on-grid solar inverter models.
Q2: How many MPPT trackers does the Growatt MAX 124–150KTL3-X MV have?
A: It features 10 MPPT trackers, with two PV strings per tracker, allowing flexible solar array design.
Q3: What is the maximum efficiency of this Growatt solar inverter?
A: The maximum conversion efficiency is 99.00%, with 99.90% MPPT efficiency.
Q4: Is the Growatt MAX 124–150KTL3-X MV suitable for commercial solar projects?
A: Yes. Its 124kW–150kW power range makes it suitable for large commercial and industrial rooftop and ground-mounted grid-connected PV systems.
Q5: What is the AC output voltage of this grid-tie inverter?
A: The rated AC output is 277V/480V three-phase, with an operating voltage range of 422–528V, subject to regional grid requirements.
Q6: Does this Growatt inverter support AFCI protection?
A: Yes. Arc-fault circuit interrupter (AFCI) protection is available as an option. Type II AC and DC surge protection is also included.
Q7: Is the Growatt MAX 124–150KTL3-X MV an off-grid inverter?
A: No. It is a grid-connected solar inverter designed to synchronize with a compatible utility grid. It is not a standalone off-grid inverter.
