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Aptos Solar MAC-800 Microinverter

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(109 ratings)

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Customer reviews & Questions

Verified buyer reviews
Customer Reviews A1 SolarStore on trustpilot
  • Reviews (109)
  • Questions (1)
NIKOLAI
06/23/2025
Works as expected, no noise or heat issues. Thumbs up
damien scott
01/27/2025
works fine no noise just doing its job day after day
Anthony J. Grant
06/05/2025
Is it waterproof
A1 SolarStore
Yes, it’s IP67 rated, which means it’s sealed against dust and water — perfect for any rooftop environment.

Specification

String inverterString inverter
TypeMicro Inverters
PhasesSingle-phase
AC Output Voltage208/240 VAC
Nominal DC Input60 VDC
Module Pairings320–540 W
Features
  • Communication Module
  • Monitoring System
  • Natural Convection Cooling
  • Outdoor Inverter
  • Rapid Shutdown
  • Stackable
  • Waterproof
Dimensions LxWxH9.84 x 1.10 x 9.92 in
Weight5.7 lbs
ManufacturerAptos Solar
Manufacturer Part #MAC-800
Operating Temperatures –40°F to 149°F
Warranty25 years

Attachments

About product

The Aptos Solar MAC-800 Microinverter is a high-performance dual-module inverter engineered to maximize AC power output in both residential and commercial solar installations. Designed for seamless integration with Aptos Solar’s high-efficiency panels, this 2-in-1 microinverter delivers powerful performance, safety, and long-term reliability in a compact, weatherproof design.

  • Dual-module (2:1) microinverter supporting two PV modules per unit
  • 800W peak AC output power for maximum energy yield
  • 96.7% peak efficiency and 99.8% MPPT efficiency for superior performance
  • Compatible with 320–540W solar modules for flexible system design
  • Built-in NEC-compliant rapid shutdown and 6,000V surge protection
  • NEMA 6 (IP67) rated enclosure for outdoor durability and corrosion resistance
  • 2.4GHz proprietary RF communication for seamless data transmission
  • 25-year limited warranty for long-term reliability

High-power dual-module design

The MAC-800 microinverter connects to two high-output PV modules, delivering up to 800 VA peak power while optimizing each module independently. Its dual-input architecture ensures consistent energy production even under partial shading conditions. With a wide MPPT range of 16–60V, it adapts efficiently to a variety of PV module types and configurations.

Built for reliability and performance

Engineered with over 2 GW of global deployment experience, the MAC-800 incorporates high-quality components for long-term performance. Its IP67-rated, NEMA 6 enclosure protects against dust and water ingress, while natural convection cooling ensures silent, maintenance-free operation. The inverter’s 96.5% CEC weighted efficiency maximizes power output and system ROI across varying environmental conditions.

Safety and compliance guaranteed

The MAC-800 meets the latest UL 1741 SB/SA, IEEE 1547, and CA Rule 21 standards, ensuring compliance with national and regional grid requirements. Integrated rapid shutdown functionality ensures safety for installers and homeowners in accordance with NEC 2017, 2020, and 2023. Additional 6,000V surge protection enhances resilience against electrical transients and grid disturbances.

Smart monitoring and communication

The inverter features secure 2.4GHz RF communication compatible with the Aptos AST Cloud monitoring platform, enabling real-time performance tracking, diagnostics, and reporting. Installers and system owners can access comprehensive energy analytics remotely through an intuitive web and mobile interface.

Simple installation, wide compatibility

The MAC-800 supports both 120-cell and 144-cell PV panels, making it a versatile choice for various array configurations. Its separate trunk cable design and tool-assisted connectors simplify wiring, while compatibility with battery-ready systems provides future expandability. With up to 5 units per 240V branch circuit, it streamlines installations and reduces balance-of-system costs.

Size

9.84" x 1.10" x 9.92"

Weight

5.73 lb

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