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    Picture of 120W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase
    Picture of 120W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase
    Picture of 120W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase
    Picture of 120W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase

    120W Grid Tie Micro Inverter with MPPT, Single Phase/3 Phase

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    SKU: PH-MI-120
    $134.82
    ● This 120W grid tie micro inverter with MPPT can be paralleled to build single‑phase or three‑phase solar power systems. ● It delivers 99% MPPT tracking efficiency and 93% maximum output efficiency, with night standby power below 0.5W. ● Automatically adapts to grid voltage from 80V‑160V and recognizes 50Hz/60Hz frequency intelligently. ● IP65 waterproof, self‑cooling design, works stably at ‑20℃~65℃ for outdoor solar installations.
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    ⏱️ Delivery: 6-12 days
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    Overview

    This 120W grid tie micro inverter with MPPT is designed for residential grid-connected solar systems and is compatible with an 18V 120W solar panel. It features a 12–30V MPPT range, 10.8V startup voltage, and 80–160VAC output with automatic 50Hz/60Hz frequency detection. Up to 6 units can be connected in parallel for 120V single-phase systems, while multiple units can support three-phase solar configurations. With a power factor above 0.95, THD below 5%, IP65 protection, and natural cooling, it operates reliably from -20°C to 65°C for outdoor rooftop solar applications.

    120w micro inverter feature

    Feature

    • Wide Voltage Compatibility: Supports 18–50V DC input and 80–160V AC output, with 50Hz/60Hz frequency compatibility for flexible grid applications.
    • 99% MPPT Tracking Efficiency: Built-in MPPT technology achieves up to 99% tracking efficiency, helping the system capture available solar power more effectively.
    • High Conversion Efficiency: High conversion efficiency helps reduce energy losses and provides stable AC power output for distributed PV systems.
    • 120W Rated Output: Provides 120W rated power for small PV systems. The modular design supports convenient installation and flexible system expansion.
     

    Details

    1. Efficient Heat Dissipation: Integrated cooling fins increase heat dissipation and help maintain stable inverter operation.
    2. IP65 Waterproof: IP65-rated protection against dust and water jets for reliable outdoor solar installations.
    3. High-Strength Aluminum Housing: Durable aluminum alloy housing with anodized treatment for enhanced strength and heat dissipation.
    4. Waterproof Connectors: Secure waterproof PV connectors provide reliable connections and simplify installation.
    120w micro inverter details

    System Diagram

    120w micro inverter system diagram

    Wiring Diagram

    120w micro inverter wiring diagram

    Specs
    Operating Voltage Range 10.8–30V
    Starting Voltage Range 12–30V
    Starting Voltage 10.8V
    Maximum Input Power 120W
    Maximum Working Current 7.5A
    Maximum PV Panel Input Power 120W
    Recommended PV Panel 18V @ 120W
    Output Parameters @120VAC
    Peak Output Power 120W
    Rated Output Power 110W
    AC Voltage Range 80–160VAC
    Output Current 0.8A
    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 0.45kg
    Dimensions 108 × 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
    120w micro inverter for roof

    Roof

    120w micro inverter for shopping mall

    Shopping Mall

    120w micro inverter for camping

    Camping

    120w micro inverter for balcony

    Balcony

    FAQ

    Q1: What size solar panel is compatible with this 120W micro grid-tie inverter?

    This 120W micro grid-tie inverter has a DC input voltage range of 18–50V and is suitable for standard 36V solar panels. We recommend using a PV panel with a power rating of 120W or less. The solar panel voltage must be within the 18–50V DC range. If the input voltage is below 18V or above 50V, the inverter may not operate properly.

    Q2: What is the purpose of the MPPT function in this micro inverter?

    The inverter uses intelligent MPPT (Maximum Power Point Tracking) technology to continuously track the solar panel's maximum power point. It helps the PV module operate closer to its optimal output under changing sunlight conditions, improving solar energy utilization and increasing overall power generation efficiency.

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