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APsystems DS3-S Single Phase Dual-Module Microinverter

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The most powerful Dual Microinverter.


APsystems’ 3rd generation of dual-module microinverters, the DS3 product family represents the culmination of years of power conversion expertise and innovation in high-efficiency, high-density power conversion to maximize the peak performance of today’s high-capacity PV modules.


The DS3 microinverter reaches unprecedented levels of power output of 640VA to adapt to today’s larger power module. It is fully backwards compatible with QS1 and YC600 microinverters and accessories. It features 2 input channels, each with independent MPPT, and encrypted wireless Zigbee communication. An innovative and compact design makes the product lighter while maximizing power production, and silicone-encapsulated components reduce stress on electronics, facilitate thermal dissipation, and enhance weatherproofing. Reliability is significantly increased thanks to 20% fewer components than previous generations. A 24/7 energy access through Apps or web-based portal facilitate remote diagnosis and maintenance.


The DS3 microinverter is grid-interactive and fully compliant with CA Rule 21 requirements. With its unparalleled performance, efficiency of 97%, and increased reliability, the APsystems  DS3 microinverter is a gamechanger for residential and commercial solar.


• One microinverter connects to two solar modules

• Max output power reaching: DS3 640 VA

• Two independent input channels (MPPT)

• CA Rule 21 (UL 1741 SA) compliant

• NEC 2020 690.12 Rapid Shutdown Compliant

• Encrypted Wireless Zigbee Communication

• Phase Monitored and Phase Balanced

APsystems DIY Support Policy:

APsystems does not support DIY self-installers, only professional solar installers, as explained in the APsystems policy regarding Non-Professional Self-Installers attached below.  APsystems encourages you to hire a professional installer. If you have already installed your system or still plan to self-install your system, see the Do-It-Yourself Installer – EMA account registration attached below.

For warranty support, APsystems will only work with professional installers and provide them with the information they need to successfully debug any system issues, submit any required RMA requests, and receive and install any replacement APsystems equipment.

If you need help finding a local professional installer for installation services or warranty support, contact APsystems technical support at 1-844-666-7035 or support.usa@apsystems.com for assistance with locating a certified APsystems installer in your area.

Please note that Renvu Inc. does not provide any professional installation or warranty support services.


  • Manufacturer: APSystems
  • Model: 119001
  • Other Vendor Codes: DS3-S-NA - 640VA
  • Rated Power Output [W]: 640
  • Length [mm (in)]: 218 mm (8.6 in)
  • Width [mm (in)]: 262 mm (10.3 in)
  • Depth [mm (in)]: 41.2 mm (1.6 in)
  • Weight [kg (lb)]: 2.6 kg (5.7 lbs)
  • Wormanship Warranty Period [Years]: 10

Surge/Lightning Protection



      • Inverter Type: Grid-Tie Microinverter
      • Maximum/Peak Efficiency [%]: 99.5
      • CEC weighted efficiency @ 240V [%]: 96.5
      • DC Power Rating [W]: 640
      • Max. Input Voltage [V]: 60
      • Min. DC voltage / start voltage [V]: 16
      • Min. DC voltage / start voltage [V]: 16
      • Max. Input Voltage per MPPT [V]: 60
      • AC Power Rating [W]: 640
      • Max. AC Power [W]: 320
      • AC voltage range [V]: 211-264V
      • AC grid frequency [Hz]: 60
      • NEMA Enclosure Rating: NEMA 6
      • Cooling Method: Natural Convection - No Fans
      • Ambient Temperature Range [°C(°F)]: -40°F to +149°F (-40°C to +65°C)
      • Operating Humidity [%]: 100%, condensation
      • Display: Via EMA* Online Portal
      • Communication: Wireless (Zigbee)
      • Warranty Extension Options [Years]: 25
      • Safety and EMC Standard: UL1741;CSA C22.2 No. 107.1-16;CA Rule 21 (UL 1741 SA); FCC 690.12 Rapid Shutdown of PV systems on Buildings; NEC 2020
      • Compliances: IEEE1547
      • AC grid range [Hz]: 60Hz/59.3Hz-60.5Hz
      • Max. recommended PV power (@ module STC): 480

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