SureSine Classic
Compact, powerful and proven in demanding rural electrification and other demanding projects around the globe, the SureSine Classic inverter is the right tool for DC to AC power conversion in small residential, mobile and recreational, and light industrial applications where environmental extremes are a consideration. A cast, anodized aluminum enclosure and encapsulated circuitry—plus an effectively sealed, fanless design– ensure long-term, dependable operation under the harshest conditions. Access more information below about the SureSine Classic, and also consider our new expanded SureSine off-grid inverter line.
Models: SI-300-115V-UL (60 Hz), SI-300-220V (50 Hz),
Specifications and Certifications by Model
| Model | 
SI-300-115V-UL (60 Hz) |
SI-300-220V (50 Hz) |
|---|---|---|
| Continuous Power Rating | 300 Watts @ 25C | 300 Watts @ 25C |
| Pek Power Rating (15 min.) | 600 Watts @ 25C | 600 Watts @ 25C |
| DC Input Voltage | 10.0V – 15.5V | 10.0V – 15.5V |
| Waveform | Pure sine wave | Pure sine wave |
| AC Output Votage (RMS) | 220V or 115V +/– 10% | 220V or 115V +/– 10% |
| AC Output Frequency | 50 or 60 Hz +/– 0.1% | 50 or 60 Hz +/– 0.1% |
| Nominal Battery Voltage | 12V | 12V |
| Peak efficiency | 92% | 92% |
| Total Harmonic Distortion (THD) | <4% | <4% |
| Self Consumption (Inverter ON – no load) | 450mA | 450mA |
| Self Consumption (Inverter OFF) | 25mA | 25mA |
| Self Consumption (Standby) | 55mA | 55mA |
| Operating Temperature Range | -40 C to +45C | -40 C to +45C |
| Warranty | 2 Years | 2 Years |
| CE and RoHS compliant | Yes | Yes |
| ETL Listed [UL-458] | Yes | |
| FCC Class B Part 15 Compliant | Yes | Yes |
| Manufactured in a Certified ISO 9001 Facility | Yes | Yes |