SKU: 76575268503

AP Systems DS3-S Dual Microinverter 640VA [DS3-S-NA-640VA]

Sale price$179.99 Regular price$199.99
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

AP Systems DS3-S Dual Microinverter 640VA [DS3-S-NA-640VA]APsystems 3rd generation of dual microinverters are reaching unprecedented power outputs of 640VA or 768VA or 880VA to adapt to todays larger power module. With 2 independent MPPT, encrypted ZigBee signals, the DS3 S, DS3 L and DS3 benefit from an entirely new architecture and are fully backwards compatible with the QS1 and YC600 microinverters. The innovative and compact design make the product lighter while maximizing power production. The

APsystems 3rd generation of dual microinverters are reaching unprecedented power outputs of 640VA or 768VA or 880VA to adapt to today’s larger power module. With 2 independent MPPT, encrypted ZigBee signals, the DS3-S, DS3-L and DS3 benefit from an entirely new architecture and are fully backwards compatible with the QS1 and YC600 microinverters.

The innovative and compact design make the product lighter while maximizing power production. The components are encapsulated with silicone to reduce stress on the electronics, facilitate thermal dissipation, enhance waterproof properties, and ensure maximum reliability of the system via rigorous testing methods including accelerated life testing. A 24/7 energy access through Apps or web based portal facilitate remote diagnosis and maintenance.

The DS3 series is interactive with power grids through a feature referred to as RPC (Reactive Power Control) to better manage photovoltaic power spikes in the grid. With a performance and an efficiency of 97%, a unique integration with 20% less components, APsystems DS3-S, DS3-L and DS3 are a game changer to residential and commercial PV. 

  • One microinverter connects to two solar modules
  • Max output power reaching 640VA
  • 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

TECHNICAL SPECIFICATIONS

  • SKU: DS3-S-NA-640VA
  • Weight: 6.000000
  • Manufacturer: APSystems
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76575268503

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donald j.
Carnegie, US
★★★★★ 5
I can’t say anything but I really love them
Size: 6, Color: Natural Nbpu
They look great. They feel great
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Reviewed in the United States on April 10, 2026
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Babiche Design
Lowell, US
★★★★★ 3
stiff like cardboard tops of shoes
Size: 5.5, Color: Natural Nbpu
These shoes are good enough quality and cute cute - even fit great, EXCEPT the faux leather top (part that encircles your leg) is so stiff, that when you walk, it cuts into your leg like hard cardboard making it difficult to walk comfortably. I do like them otherwise, but can't stand the hard, unbending top of these shoes.
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Reviewed in the United States on January 15, 2025
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Pamela
Los Angeles, US
★★★★★ 5
Great for wide feet
Size: 9, Color: Black Nubuck
Beautiful- great for wide feet, camouflage slight swelling in feet / ankles beautifully. Look great with everything; adds a touch of elegance & rock star. Super fast shipping too!
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Reviewed in the United States on November 8, 2025
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Robin
Massapequa, US
★★★★★ 5
Sizing.
Size: 10, Color: Natural Nbpu
They run big, I usually wear a size 9 wide, but since they didn't come in a wide, I chose a 10 and they fit comfortably width wise, but they were too big otherwise. I would recommend letting viewers know if it is a wide shoe to let buyers know, to better serve the customer on what size to purchase, other than that, I loved the shoes just wish I could've kept them and worn them for my event.
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Reviewed in the United States on August 20, 2025
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Susan Williams
Charlottesville, US
★★★★★ 5
Flattering, Comfortable, and Perfect for Everyday Wear
Size: Large, Color: Black
This Amazon Essentials tiered midi dress has quickly become one of my favorites! The fit is relaxed but still flattering — it flows nicely without clinging, and the tiers give it a light, feminine shape. The fabric is soft, breathable, and easy to wash, making it perfect for warm days or layering with a cardigan in cooler weather. It’s one of those rare dresses that works just as well for casual outings, errands, or a dinner out. I’ve even worn it to work with sandals and a denim jacket. The length hits just right (mid-calf for me), and it has that effortless, pulled-together look that’s hard to find at this price. If you love comfy, versatile dresses that make you feel put together with zero effort, this one’s a winner!
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Reviewed in the United States on October 20, 2025

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