Growatt MAX 50-80KTL3-X LV 50-80kW three phase grid-tied inverter. 6-7 MPPT, 98.8% efficiency, 1100V DC input, IP66 outdoor rating. For commercial solar projects.
| Rated Power | 50 – 80 kW |
| Max Efficiency | 98.80% |
| PV Input | 1100V / 6-7 MPPT / 32A per MPPT |
| DC Oversizing | 150% |
| Protection | IP66 outdoor / Type II SPD / Fuse-free |
| Communication | RS485, WiFi, 4G, ShinePhone |
The Growatt MAX 50-80KTL3-X LV series is a three-phase grid-tied inverter designed specifically for commercial and industrial solar installations. Available in power capacities from 50kW to 80kW (50kW, 60kW, 70kW, 75kW, 80kW), it delivers high performance and reliability for medium to large-scale solar projects.
Featuring 6 to 7 independent MPPTs with support for up to 14 PV strings, the MAX series significantly reduces energy loss caused by shading and module mismatch. With 98.8% maximum efficiency, 150% DC oversizing, and a wide 180-1000V MPPT voltage range, the inverter starts working earlier in the morning and switches off later in the afternoon, achieving longer operation time to harvest more solar energy.
Designed for outdoor installation with an IP66-rated enclosure, the MAX series is dust-tight and waterproof, making it suitable for harsh environments. The fuse-free design, integrated DC switch, and Type II SPD on both AC and DC sides provide comprehensive protection for the entire PV system.
maximize energy harvest, reduce system losses
flexible array design, reduce shading losses
install anywhere, no equipment room required
maximize solar harvest, lower LCOE
eliminates fuse replacement, improves reliability
ShinePhone, ShineServer, OSS remote diagnostics
arc fault protection for enhanced fire safety
| Model | MAX 50KTL3-X LV | MAX 60KTL3-X LV | MAX 70KTL3-X LV | MAX 75KTL3-X LV | MAX 80KTL3-X LV |
| Rated AC Power (kW) | 50 | 60 | 70 | 75 | 80 |
| European Efficiency (%) | 98.3 | 98.3 | 98.3 | 98.3 | 98.3 |
| Max DC Input Power (kW) | 75 | 90 | 105 | 112.5 | 120 |
| Max DC Input Voltage (V) | 1100 | ||||
| MPPT Voltage Range (V) | 180-1000 | 180-1000 | 180-1000 | 180-1000 | 180-1000 |
| Number of MPPTs | 6 | 6 | 7 | 7 | 6 |
| Number of Strings | 12 | 12 | 14 | 14 | 12 |
| Max Input Current per MPPT (A) | 32 | ||||
| AC Voltage Range (V) | 340-440 | ||||
| AC Frequency (Hz) | 50/60 | ||||
| Rated Output Current (A) @400V | 72.2 | 86.6 | 101 | 108.3 | 115.5 |
| Ingress Protection | IP66 | ||||
| Surge Protection | Type II | ||||
| Communication | RS485, WiFi, 4G | ||||
50kW & 60kW & 80kW models: 6 MPPTs (12 strings) 70kW & 75kW models: 7 MPPTs (14 strings) This design significantly reduces energy loss caused by shading effects and module mismatch.
1100V DC – allowing longer PV strings, reducing combiner boxes and cable costs.
Yes. The inverter has an IP66 ingress protection rating, making it dust-tight and waterproof. It can be installed outdoors without an equipment room.
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