SPT Series 25-40kW On-Grid PV Inverter (Americas Edition)
High-power 25–40kW inverter with 4 MPPT inputs, IP65 protection, and robust three-phase grid connection for commercial and industrial PV systems.
The SPT Series 25–40kW On-Grid PV Inverter (Americas Edition) is built for large-scale commercial and industrial PV systems. Featuring 4 MPPT inputs, it offers exceptional flexibility for complex array configurations and maximizes solar energy harvest under diverse site conditions.
With a maximum efficiency of 98.4% and a wide MPPT voltage range of 180–760V, this inverter ensures reliable, high-yield performance throughout the day. IP65-rated protection, built-in DC Type II and AC Type III surge protection, and optional AFCI functionality safeguard your investment in challenging environments.
Installation is streamlined with an integrated DC switch and multiple communication options, including standard USB and optional WiFi or GPRS modules for remote monitoring.
| Model | SPT25KTL-AM | SPT30KTL-AM | SPT36KTL-AM | SPT40KTL-AM |
| PV Input (DC) | ||||
| Max. Input Power | 27,500W | 45,000W | 54,000W | 60,000W |
| Max. Input Voltage | 800V | |||
| Start-up Voltage | 250V | |||
| Rated Input Voltage | 450V | |||
| Max. Input Current per MPPT | 32A (16A × 2) | |||
| Max. Short-Circuit Current per MPPT | 40A | |||
| MPPT Voltage Range | 180 - 760V | |||
| Number of MPPTs | 4 | |||
| Number of Strings per MPPT | 2 | |||
| AC Output | ||||
| Rated Output Power | 25,000W | 30,000W | 36,000W | 40,000W |
| Max.Output Apparent Power | 27,500VA | 33,000VA | 39,600VA | 40,000VA |
| Rated Output Current | 69.4A/65.6A/61.2A | 83.3A/78.7A/72.2A | 100A/94.5A/86.6A | 111A/105A/96.2A |
| Max. Output Current | 76.4A | 91.7A | 110A | 117A |
| Rated Grid Voltage | 120/208V, 127/220V, 139/240V | |||
| Rated Grid Frequency | 50Hz/60Hz | |||
| THDi | < 3% | |||
| Power Factor | ≈ 1 (Adjustable from 0.8 leading to 0.8 lagging) | |||
| Efficiency | ||||
| Max. Efficiency | 98.2% | |||
| European Efficiency | 97.5% | |||
| Protection | ||||
| Basic Protection | PV reverse polarity AC output overvoltage Anti-islanding PV insulation resistance AC output overcurrent Grid monitoring PV string current monitoring AC output short circuit Residual current (RCD) detection |
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| AFCI | Optional | |||
| DC Switch | Integrated | |||
| SPD | DC Type ll / AC Type llI | |||
| Environmental Parameters | ||||
| Operating Temperature | -25°C to 60°C | |||
| Relative Humidity | 0 - 100% | |||
| Altitude | 4,000m(> 2,000m Derating) | |||
| Ingress Protection | IP65 | |||
| Mechanical Parameters | ||||
| Dimensions (L×W×H) (mm) | 700 × 610 × 298 | |||
| Weight(kg) | 52 | 55 | ||
| Others | ||||
| Self-Consumption (Night) | < 3W | |||
| Topology | Transformer-less | |||
| Cooling Method | Intelligent fan | |||
| Display | LED/WIFI + APP | |||
| PV input Connector | H4/MC4(Optional) | |||
| AC output Connector | OT connector | |||
| Certifications | IEC62109, IEC61727, IEC62116 | |||
Manual
SPT-AM-Manual-EN-V1.0
Datasheet
SPT25-40KTL-AM Series-Datasheet
Product Highlights
High yield with up to 110% rated power
Maximum conversion efficiency 98.2%
4 MPPTs, Max. PV input voltage: 800VDC
Input current per MPPT: 32A
IP65 protection for outdoor use
Built-in DC Type ll /AC Type lll SPD
Optional AFCI function
Optional zero export function
Optional LCD display
Standard USB communication port
WiFi / GPRS (optional)
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