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Industry-leading dual-module technology with up to 97% efficiency and 25-year warranty
APsystems stands as the #1 global multi-platform MLPE solution provider, encompassing 6 global business units serving customers in over 160 countries. With millions of units sold producing more than 8TWh of clean, renewable energy, APsystems continues to lead the solar microinverter revolution with breakthrough technology that makes PV arrays more powerful, smart, reliable, and safe.
Founded in Silicon Valley in 2010, APsystems has transformed the solar industry with innovative microinverter solutions that maximize power generation for each module in the array. APsystems microinverters are intelligent, innovative, and the best-selling multi-module microinverters in the world, offering installers and homeowners unmatched performance and reliability.
Each APsystems microinverter handles multiple PV modules, significantly lowering logistics, installation and balance-of-system costs while delivering superior energy harvest compared to traditional string inverters.
🔋 Performance
97% efficiency and increased reliability. DS3-S delivers up to 37% more AC output and DS3-L up to 60% more output power per channel than conventional microinverters. Module-level optimization maximizes energy production.
⚡ Innovation
World's most powerful dual-module microinverter with outputs up to 960VA. 2 input channels with independent MPPT and encrypted wireless Zigbee communication. Built-in rapid shutdown compliance.
🛡️ Safety
Unlike string inverters with dangerous high DC voltages, APsystems microinverters connect directly to low-voltage PV modules and output standard AC voltages. Grid-interactive and fully compliant with CA Rule 21 requirements.
🔧 Installation
Fully backwards compatible with QS1 and YC600 microinverters and accessories. For many installers worldwide, the DS3 series has become a strong competitive advantage helping them save money while winning more business.
APsystems' 3rd generation of dual-module, single-phase microinverters represents the culmination of years of power conversion expertise and innovation in high-efficiency, high-density power conversion. The APsystems DS3 microinverter for sale comes in three power configurations:
DS3-S: 640VA output for standard residential installations
DS3-L: 768VA output for higher-power applications
DS3: 880VA output for maximum performance systems
The DS3 series is designed to be paired with virtually any choice of PV module type and size, including 60 and 72-cell modules, 120 and 144 split-cell modules, as well as bi-facial modules. Reliability is significantly increased thanks to 20% fewer components than previous generations.
The APsystems QT2 commercial microinverter delivers unprecedented 3-phase power outputs for large-scale installations. Built for commercial rooftops, the QT2 series provides plug-and-play MLPE solutions that install faster than competing alternatives while maintaining inherent rapid shutdown compliance.
Every APsystems microinverter 25 year warranty unit includes comprehensive monitoring through the APsystems Energy Monitoring and Analysis (EMA) platform. The APsystems microinverter monitoring system EMA provides real-time performance data, system diagnostics, and remote troubleshooting capabilities through any web-enabled device.
| Feature | APsystems DS3-L | Enphase IQ8 | SolarEdge P850 | Tigo TS4-A-O |
|---|---|---|---|---|
| Max Power Output | 768VA | 290W | 850W | 700W |
| Best APsystems microinverter efficiency | 97% | 97.5% | 99.5% | 99.5% |
| Modules per Unit | 2 | 1 | 1 | 1 |
| Warranty | 25 Years | 25 Years | 25 Years | 20 Years |
| APsystems rapid shutdown microinverter NEC compliant | Built-in | Built-in | Built-in | Built-in |
| Installation Cost | Lower | Higher | Medium | Medium |
"The dual module microinverter APsystems DS3 series transformed our installation efficiency. We're completing residential projects 30% faster while delivering superior monitoring to homeowners. The backwards compatibility saved us thousands in inventory costs."
— Sarah Martinez, Installation Manager, SunTech Solutions
"Our commercial clients love the APsystems vs Enphase microinverter comparison results. The DS3 handles shading issues perfectly while the dual-module design reduces our labor costs significantly. We've switched 90% of our residential installs to APsystems."
— Roberto Kim, Commercial Solar Developer, GreenSpace Energy
"Featured in Solar Power World's 2024 Top Solar Products as 'Most Innovative Dual-Module Technology' for breakthrough power density and installation efficiency improvements."
— Solar Power World Industry Report
The high power APsystems microinverter 2000VA capability in upcoming models promises even greater performance for next-generation solar installations.
The DS3 series utilizes a new architecture that can manage far higher capacities of PV modules than conventional 1:1 microinverters and has been specifically designed to maximize output on each residential circuit. This dual-module design reduces installation time and system costs while improving overall efficiency.
Yes, the DS3 series is designed to be paired with virtually any choice of PV module type and size, including 60 and 72-cell modules, 120 and 144 split-cell modules, as well as bi-facial modules. The system is also fully backwards compatible with QS1 and YC600 microinverters and accessories.
APsystems offers industry-leading warranty coverage up to 25 years for DS3 and QT2 series microinverters when connected to an ECU monitoring system, providing long-term peace of mind for your solar investment.
Yes, all APsystems microinverters are inherently compliant with NEC 2014/2017 rapid shutdown requirements out of the box, ensuring enhanced safety for installers and emergency responders without additional equipment.
Absolutely. 24/7 energy access through Apps or web-based portal facilitates remote diagnosis and maintenance. The EMA monitoring system provides real-time module-level performance data, system diagnostics, and energy production analytics accessible from any internet-connected device.
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