APsystems DS3-S Dual-Module Microinverter – 640VA AC Output
The APsystems DS3-S is a high-performance dual-module microinverter designed for modern residential solar installations. Featuring two independent MPPT input channels, encrypted ZigBee communication, and a rugged Type 6 enclosure, the DS3-S maximizes energy harvest while delivering reliable, code-compliant operation for long-term system performance.
Key Specifications
• Model – APsystems DS3-S
• Inverter Type – Dual-module microinverter
• Maximum Continuous AC Output Power – 640VA
• PV Module Inputs – 2 independent MPPT channels (MPPT)
• Recommended PV Module Power (STC) – 250Wp–480Wp+ per module
• MPPT Operating Voltage Range – 28V–45V
• Operating Voltage Range – 26V–60V
• Maximum DC Input Voltage – 60V
• Maximum Input Current – 16A × 2
• Maximum Input Short-Circuit Current – 20A per input
• Nominal AC Output Voltage / Range – 208V (183.04–228.8V) or 240V (211–264V)
• Nominal Output Current – 3.08A@208V / 2.66A@240V
• Maximum Output Fault Current (AC) – 5.691Apk, 26.75ms of duration; 3.307Arms
• Nominal Output Frequency / Range – 60Hz (58.8–61.2Hz; HECO: 57–63Hz)
• Power Factor – 0.99 (default, adjustable)
• Peak Efficiency – 97.3%
• CEC Efficiency – 97%
• Nominal MPPT Efficiency – 99.5%
• Night Power Consumption – 20mW
• Communication (Inverter to ECU) – Encrypted ZigBee
• Cooling – Natural convection (no fans)
• Enclosure Environmental Rating – Type 6
• Operating Ambient Temperature – −40°C to +65°C
• Storage Temperature – −40°C to +85°C
• Dimensions (W × H × D) – 263 × 218 × 41.2mm (10.3 × 8.6 × 1.6in)
• Weight – 2.7kg (5.7lb)
• DC Connector Type – Stäubli MC4 PV-ADB4-S2 & ADSP4-S2
• Energy Management – Energy Management Analysis (EMA) system
• Warranty – 12 years standard; 25 years optional
• Compliance – UL1741, CSA C22.2 No.107.1-16, IEEE1547 / IEEE1547.1, FCC Part 15B, ICES-003 Class B, NEC 2014/2017/2020/2023 Rapid Shutdown
