ETL certificate
For North American Market
without transformer
Rated Output Power,3KW,4KW,5KW
General Descriptions
SG3KTLU / 4KTLU / 5KTLU is a transformerless inverter with higher efficiency. Its aluminum housing makes it very compact, robust and light in weight. The direct plug-in terminal port provides easy, safe and reliable cable connection under any circumstances. It can be used for string-connected outdoor small PV power station, or individually for a small house.
Technical Features
• CEC Weighted Efficiency at 96.8%
• Easy-setting multilingual LCD display panel
• High reliability with full protective functions
• User-friendly interface allows setting operational data by keys
• Simplified system design by serial connecting multiple inverters
• Aluminium house with NEMA 4X protection degree for outdoor installations
• Water-proof direct plug-in terminals
• ETL certified according to U.S standard UL1741 and IEEE1547;Canada standard C22.2 107.1-01
Communications
• RS485/Ethernet/GPRS interfaces
• Computer monitoring software
Safety
·Full protection functions: over-voltage protection, short-circuit protection, islanding protection, over-heat protection
·Over-load protection
·Standards complied: EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4,EN61000-3-2, EN61000-3-3,EN60164-1-1,EN55022, EN50178
Technical Specifications
| DC SIDE DATA | |||
| Model | SG3KTLU | SG4KTLU | SG5KTLU |
| Max. DC Voltage | 550Vdc | 550Vdc | 550Vdc |
| Start Voltage | 170V | 170V | 170V |
| MPP Voltage | 200~420V | 200~420V | 260~420V |
| Min. DC Voltage | 150V | 150V | 150V |
| Max. DC Power | 3300Wp | 4400Wp | 5500Wp |
| Max. Input Current | 400V | 400V | 400V |
| Recommend PV Array Open Circuit Voltage | 18A | 20A | 25A |
| Number of MPP Trackers/ Strings Per MPP Tracker | 1/3 | 1/3 | 1/3 |
| AC SIDE DATA | |||
| Rated Output Power | 3000W | 4000W | 5000W |
| Max. AC Output Current | 15A | 20A | 25A |
| Rated Grid Voltage | 208/240Vac | 208/240Vac | 208/240Vac |
| Grid Voltage Range | 180~260Vac | 180~260Vac | 180~260Vac |
| Rated Grid Frequency | 60Hz | 60Hz | 60Hz |
| Grid Frequency Range | 59.3~60.5Hz | 59.3~60.5Hz | 59.3~60.5Hz |
| Output Current THD | < 5% | < 5% | < 5% |
| DC Current Injection | |||
| Power Factor | ≥0.99(at nominal power) | ≥0.99(at nominal power) | ≥0.99(at nominal power) |
| SYSTEM | |||
| CEC Weighted Efficiency | 96.8% | 96.8% | 96.8% |
| Protection Degree | |||
| Power Consumption at Night | 0W | 0W | 0W |
| Operating Temperature | -25~+60°C -13~+140°F | -25~+60°C -13~+140°F | -25~+60°C -13~+140°F |
| Cooling Method | controlled forced-air cooling | controlled forced-air cooling | controlled forced-air cooling |
| Relative Humidity | 0~95%, non-condensing | 0~95%, non-condensing | 0~95%, non-condensing |
| Max. Working Altitude | 2000m | 2000m | 2000m |
| DISPLAY AND COMMUNICATIONS | |||
| Display | LCD | LCD | LCD |
| Standard Comm. Interfaces | RS485 | RS485 | RS485 |
| Optional Comm. Interfaces | Ethernet/GPRS/blue tooth | Ethernet/GPRS/blue tooth | Ethernet/GPRS/blue tooth |
| MECHANICAL DATA | |||
| Dimensions(WxHxD) | |||
| 26kg 57 lbs | 26kg 57 lbs | 26kg 57 lbs | |
