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    Picture of 300W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase
    Picture of 300W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase
    Picture of 300W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase
    Picture of 300W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase

    300W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase

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    SKU: PH-MI-300
    $166.77
    ● 300W grid tie micro inverter with MPPT, 0.99 tracking efficiency, switchable single/3‑phase output. ● 80‑160V adaptive AC output, THD < 5% pure sine wave, 18‑50V DC input for 36V solar panels. ● IP65 waterproof & self‑cooling, full safety protection, ultra‑low <0.5W night standby loss. ● Maximum input power 300W, operating temperature -20~65℃, maximum output efficiency 93%.
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    ⏱️ Delivery: 6-12 days
    🔙 30-day Returns
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    Overview

    The PowerHome 300W grid tie micro inverter supports single-phase and three-phase connections for flexible solar system setups. It accepts 18–50V DC input and works with 36V solar panels, offering 0.99 MPPT efficiency and up to 93% conversion efficiency. IP65 protection, self-cooling and a wide 80–160V AC range support reliable outdoor operation. With less than 0.5W nighttime power consumption, series connection support and compact wiring, it suits residential and small commercial rooftop solar projects.

    300w micro inverter feature

    Feature

    • High-Efficiency MPPT: Uses advanced MPPT technology to maximize solar power output and improve overall system efficiency.
    • Grid-Tied Design: Designed for grid-connected solar systems, offering simple installation, reduced system costs and reliable long-term operation.
    • Wide Grid Compatibility: Automatically adapts to 80–280V AC grid voltage and supports both 50Hz and 60Hz frequencies for flexible use.
    • Durable Outdoor Design: Built with a sturdy aluminum alloy housing, passive self-cooling and neatly arranged connectors for reliable outdoor operation.
     

    Details

    1. High-Quality Aluminum Housing: Durable aluminum alloy with oxidation treatment provides acid, alkali and oxidation resistance for long-term outdoor use.
    2. IP65 Waterproof Design: IP65 protection helps resist rain, dust and moisture, while passive cooling supports stable outdoor operation.
    3. Secure Mounting Structure: Integrated mounting bracket enables stable, convenient installation on solar panels and photovoltaic equipment.
    4. Neat Waterproof Connections: Side-mounted waterproof connectors keep wiring organized and support easy connection of multiple micro inverters.
    300w micro inverter details

    System Diagram

    300w micro inverter system diagram

    Wiring Diagram

    300w micro inverter wiring diagram

    Specs
    Operating Voltage Range 18–50V
    Starting Voltage Range 20–50V
    Starting Voltage 18V
    Maximum Input Power 300W
    Maximum Working Current 11A
    Maximum PV Panel Input Power 300W
    Recommended PV Panel 36V @ 300W
    Output Parameters @120VAC
    Peak Output Power 300W
    Rated Output Power 280W
    AC Voltage Range 80–160VAC
    Output Current 2.3A
    AC Frequency Range @50Hz: 47Hz–53Hz; @60Hz: 57Hz–63Hz
    Power Factor >95%
    Number of Branch Connections 6PCS (single @120VAC); 12PCS (single @230VAC)
    Output Efficiency
    Static MPPT Efficiency 0.99
    Maximum Output Efficiency 93%
    Total Current Harmonics THD <5%
    Nighttime Power Consumption <0.5W
    Appearance and Technical Features
    Operating Temperature −20°C to +65°C
    Storage Temperature −40°C to +75°C
    Waterproof Rating IP65
    Cooling Method Self-cooling
    Communication None
    Monitoring System None
    Power Transmission Mode Reverse transmission, load priority
    Net Weight 0.65kg
    Dimensions 148 × 110 × 45mm
    EMC EN50081 Part 1, EN50082 Part 1, CSA STD.C22.2 No.107.1
    Grid Disturbance EN61000-3-2, EN62109, UL STD.1741
    Grid Detection DIN VDE 0126, IEEE STD.1547, 1547.1 and 1547.A
    Certificates CE, patented technology

    PDF computingGrid Tie Micro Inverter with MPPT Single Phase/3 Phase User Manual

    Application
    300w micro inverter for balcony

    Balcony

    300w micro inverter for camping

    Camping

    300w micro inverter for roof

    Roof

    300w micro inverter for shopping mall

    Shopping Mall

    FAQ

    Q1: What solar panel matches this 300W grid‑tie micro inverter and what is its DC input range?

    The MPPT voltage ranges from 20‑50V and startup voltage is 18V, maximum PV input power reaches 300W. A 36V 300W solar panel is recommended. It is only for grid‑tied use and cannot be directly connected to batteries.

    Q2: Does the 300W micro inverter consume much standby power at night and perform stably under high outdoor temperature?

    Night standby power consumption is less than 0.5W with tiny energy loss. It adopts aluminum alloy passive self‑cooling and works between ‑20℃ and 65℃. It will automatically derate power for self‑protection under extreme heat.

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