Three-Phase String Inverter · 17-33 kW
MOD 17-33KTL3-X3 Three-Phase String Inverter
Models: MOD 17KTL3-X3 / MOD 20KTL3-X3 / MOD 25KTL3-X3 / MOD 30KTL3-X3 / MOD 33KTL3-X3
A three-phase string inverter platform for residential, commercial and small industrial PV. Five power classes from 17 kW to 33 kW use two or three MPPT inputs, a 120 V start-up voltage and a 160-1000 V operating range. The series provides 1100 V maximum DC input voltage, Type II DC/AC surge protection, IP66 protection and smart O&M with one-click diagnosis.
17-33 kW
Rated AC output
2 / 3
MPPT inputs
120 V
Start-up voltage
IP66
Protection rating
Product Overview
The MOD 17-33KTL3-X3 series covers 17 kW, 20 kW, 25 kW, 30 kW and 33 kW three-phase models. The 17-25 kW models use two MPPT inputs in a 2+2 configuration; the 30 and 33 kW models use three MPPT inputs in a 2+2+1 configuration. All models provide a 160-1000 V MPPT range and 1100 V maximum DC input voltage.
The series uses a 120 V start-up voltage for earlier generation, Type II DC/AC surge protection and IP66 protection. Maximum efficiency is 98.75% for the 17-25 kW models and 98.8% for the 30-33 kW models; China efficiency is 98.5% and 98.6% respectively. Smart O&M and one-click diagnosis support commissioning and service.
Key Features
- Two or three MPPT inputs
- 120 V start-up voltage for earlier generation
- 160-1000 V MPPT operating range
- 1100 V maximum DC input voltage
- Type II surge protection on DC and AC sides
- LED display with WiFi and APP monitoring
- Smart air cooling
- Smart O&M and one-click diagnosis
- IP66 protection for outdoor installation
- 5-year standard warranty; 10-year option
Technical Specifications
DC Input
| Parameter | MOD 17KTL3-X3 | MOD 20KTL3-X3 | MOD 25KTL3-X3 | MOD 30KTL3-X3 | MOD 33KTL3-X3 |
|---|---|---|---|---|---|
| Maximum recommended PV input power | 25,500 W | 30,000 W | 37,500 W | 45,000 W | 50,000 W |
| Maximum DC input voltage | 1100 V | 1100 V | 1100 V | 1100 V | 1100 V |
| Start-up voltage | 120 V | 120 V | 120 V | 120 V | 120 V |
| MPPT operating voltage range / rated input voltage | 160-1000 V / 600 V | 160-1000 V / 600 V | 160-1000 V / 600 V | 160-1000 V / 600 V | 160-1000 V / 600 V |
| Number of MPPTs / strings per MPPT | 2 / 2+2 | 2 / 2+2 | 2 / 2+2 | 3 / 2+2+1 | 3 / 2+2+1 |
| Maximum current per MPPT | 40 A / 40 A | 40 A / 40 A | 40 A / 40 A | 40 A / 40 A / 20 A | 40 A / 40 A / 20 A |
AC Output
| Parameter | MOD 17KTL3-X3 | MOD 20KTL3-X3 | MOD 25KTL3-X3 | MOD 30KTL3-X3 | MOD 33KTL3-X3 |
|---|---|---|---|---|---|
| Rated AC output power | 17,000 W | 20,000 W | 25,000 W | 30,000 W | 33,000 W |
| Maximum AC output apparent power | 18,700 VA | 22,000 VA | 27,500 VA | 33,000 VA | 36,300 VA |
| Rated output voltage / range | 220/380 V, 230/400 V; 340-440 V | 220/380 V, 230/400 V; 340-440 V | 220/380 V, 230/400 V; 340-440 V | 220/380 V, 230/400 V; 340-440 V | 220/380 V, 230/400 V; 340-440 V |
| Rated output frequency / range | 50 Hz, 60 Hz / ±5 Hz | 50 Hz, 60 Hz / ±5 Hz | 50 Hz, 60 Hz / ±5 Hz | 50 Hz, 60 Hz / ±5 Hz | 50 Hz, 60 Hz / ±5 Hz |
| Maximum AC output current | 28.6 A | 33.7 A | 42.1 A | 50.5 A | 55.6 A |
| Power factor | >0.99 | >0.99 | >0.99 | >0.99 | >0.99 |
| Power factor adjustment range | 0.8 leading to 0.8 lagging | 0.8 leading to 0.8 lagging | 0.8 leading to 0.8 lagging | 0.8 leading to 0.8 lagging | 0.8 leading to 0.8 lagging |
| THDi | <3% | <3% | <3% | <3% | <3% |
| AC connection type | 3W+N+PE | 3W+N+PE | 3W+N+PE | 3W+N+PE | 3W+N+PE |
Efficiency
| Parameter | MOD 17KTL3-X3 | MOD 20KTL3-X3 | MOD 25KTL3-X3 | MOD 30KTL3-X3 | MOD 33KTL3-X3 |
|---|---|---|---|---|---|
| Maximum efficiency | 98.75% | 98.75% | 98.75% | 98.80% | 98.80% |
| China efficiency | 98.50% | 98.50% | 98.50% | 98.60% | 98.60% |
Equipment Protection
| DC reverse polarity protection | Yes |
| DC input switch | Yes |
| DC surge protection | Class II |
| Insulation resistance detection | Yes |
| AC surge protection | Class II |
| AC short-circuit protection | Yes |
| Arc fault detection | Optional |
General Data
| Dimensions (W × H × D) | 435 × 325 × 179 mm |
| Weight | 19.7 kg / 19.7 kg / 19.7 kg / 20.2 kg / 20.2 kg (17 / 20 / 25 / 30 / 33 kW models) |
| Operating temperature range | -30 °C to +60 °C |
| Noise | ≤55 dB(A) |
| Maximum altitude | 4000 m |
| Night-time self-consumption | <1 W |
| Topology | Transformerless |
| Cooling | Smart air cooling |
| Protection rating | IP66 |
| Relative humidity | 0-100% |
Interfaces, Warranty and Certification
| DC input connector | H4 / MC4 (optional) |
| AC output connector | Waterproof PG gland + OT terminal |
| Display | LED / WiFi + APP |
| Communication | USB / RS485 standard |
| Warranty | 5 years standard; 10 years optional |
| Certification | CQC |
Applications
The series is intended for grid-connected residential, commercial and small industrial PV systems with flexible string layouts.
- Residential and commercial rooftop PV
- Small industrial rooftop systems
- Distributed generation projects
- Rooftops with multiple orientations
- Systems using high-current PV modules
OEM & Custom Requirements
Project supply and private-label requirements can be confirmed against the standard MOD 17-33KTL3-X3 platform. Share the required power class, string plan, communication option and destination market.
- Private-label enclosure and documentation
- Power class selection from 17 kW to 33 kW
- Communication and connector configuration
- Manual localisation for the target market
- Packaging and delivery planning
Need a project-specific quote?
Send us the required power class, string configuration, communication option and destination port. We will confirm the model, documentation package and delivery schedule.