SL320-350KRM-W
String Inverter for 1500 Vdc System
Max. Efficiency 99.0%，European Efficiency 98.5%;
SiC power components to increase power generation;
130% PV array oversizing, 110% AC output overloading, 70 A input current per string to compatible with large current PV modules;
Intergrated anti-PID (Potential Induced Degradation) functions, Significantly reduce the negative effect of PID;
Safe and Reliable
Aluminum die casting shell with reinforcing bars, 3 layer effective waterproof design, to resist harsh environment;
Adapt film bus capacitors to inprove reliability of system;
Type II AC&DC Surge Protection;
IP66 protection rating, C5 anti-corrosion rating, high environmental adaptability system Integration;
Supports AFCI Protection, preventing sparking or arcing that may potentially cause an electrical fire;
Intelligent and Friendly
Independent AC terminal box design, save 30% installation time;
Firmware update remotely or by USB interface;
Online monitoring by slenergy Smart M app. via RS485/USB/Bluetooth, supports 4G/WiFi;
Quick & Easy-to-install with basic tools, LED indicators for different status;
Supports intelligent automatic I-V curve scanning for fault diagonosis, precise positoning of the abnormal string;
Free online real-time monitoring of system power generation and energy management for end user, installer and retailer.
Parameter List
| Model | SL320KRM-W | SL350KRM-W |
| Input Data (DC) | ||
| Max. Input Power | 416 kW | 455 kW |
| Max. DC Voltage | 1500 V | |
| Start-up Voltage | 550 V | |
| Nominal Voltage | 1080 V | |
| MPPT Voltage Range | 500-1500 V | |
| No. of MPP Trackers | 6 | |
| No. of PV Strings per MPP Tracker | 5 | |
| Max. Input Current per MPP Tracker | 70 A | |
| Max. Input short Current per MPP Tracker | 125 A | |
| Output Data (AC) | ||
| Nominal Output Power | 320 kW | 350 kW |
| Max. AC Apparent Power | 352 kVA | 385 kVA |
| Nominal AC Voltage | 460 V/800 V，3L/PE | |
| AC Grid Frequency | 50/60 Hz | |
| Frequency Range | (45-55)/(55-65) Hz | |
| Max. Output Current (PF=0.9) | 254 A | 277.8 A |
| Power Factor | ＞0.99 | |
| Adjustable Power Factor | 0.8 leading…0.8 lagging | |
| THDi | <3% | |
| Efficiency | ||
| Max. Efficiency | 99.0% | |
| European Efficiency | 98.5% | |
| MPPT Efficiency | 99.9% | |
| Protection | ||
| DC Reverse Polarity Protection | Yes | |
| DC Switch | Yes | |
| DC Surge Protection | Type II | |
| PID Repair | Optional | |
| Insulation Resistance Monitoring | Yes | |
| Residual-current Monitoring Unit | Yes | |
| AC Short-circuit Protection | Yes | |
| AC Surge Protection | Type II | |
| Grid Monitoring | Yes | |
| Anti-islanding Protection | Yes | |
| String Fault Monitoring | Yes | |
| AFCI Protection | Optional | |
| General Data | ||
| Dimensions (W×H×D) | 1030 x 810 x 350 mm | |
| Weight | 100 kg | |
| Operating Temperature Range | –25° C- +60° C ( 45° C derating) | |
| Relative Humidity | 0~100% | |
| Altitude | 4000m（＞3000 m derating） | |
| Self-consumption at Night | <6 W | |
| Topology | Transformerless | |
| Cooling | Intelligent Air Cooling | |
| Ingress Protection Rating | IP66 | |
| Guarantee Period | 5 Years / 10 Years (Optional) | |
| Display | LED | |
| Communication | Yes:RS485/USB, Optional:4G/WiFi/Bluetooth | |
| Standards Compliance | ||
| Grid Connection | NB/T 32004, G98/G99, VDE 0126/4105/0124, EN 50549-1/2, CEI0-21/CEI0-16, AS 4777.2, IEC 61727/62116, PEA, MEA, RD1699/661/413/244/2019, UNE 206006/206007, NTS Type B&C, UNE 217002/217001 | |
| Safety Standards | EN/IEC 62109-1/2 | |
| Others | EN/IEC 61000-6-1/2/3/4，IEC 61683，IEC 60068(1,2,14,30) | |
