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China Suppliers Factory Type1 Type2 7-22KW EV Charging Station Wallbox 1/3 Phase Level 3 OCPP 32A AC Charger

Dynamic Load Balancing Function for EV Chargers
Our innovative Dynamic Load Balancing (DLB) box is designed to ensure the safe and efficient operation of your electric vehicle (EV) charger while other household appliances are in use. By dynamically managing the total household current, this feature prevents overload situations. Set your desired maximum current value on the DLB box, and the charger will intelligently read this setting, automatically adjusting the charging current between 6A and 32A based on available idle load. This technology allows for optimal use of your power supply, eliminating the need for additional power sources or upgrades to your home's electrical system. As a leading supplier in China, our factory produces high-quality DLB solutions that prioritize safety and efficiency for every household.

    Advantages
    ⚡ Fast Charging DLB charging stations support fast charging, significantly reducing charging time and enhancing the convenience of electric vehicles.
    🧠 Intelligent Management DLB charging stations are equipped with intelligent management systems that monitor and control parameters such as current, voltage, and temperature during the charging process, ensuring safe and efficient charging.
    🔗 Interconnectivity DLB charging stations often support interconnectivity with other charging stations and vehicle management systems, enabling seamless communication and remote management of the charging station.
    📅 Charging Reservation DLB charging stations may support users to make advance reservations for charging, allowing them to secure charging slots at specific times, enhancing convenience and flexibility.
    Product Application Case

    Across the globe, BENY has forged robust business relationships with clients in the realm of EV charging station construction, offering comprehensive, cost-effective, instant charging solutions for their vehicles.

    Our expertise and services in EV charging projects empower numerous individuals worldwide to start global EV charging station development.

    These worldwide projects of EV chargers showcase how our innovative global EV charging station solutions have been applied to diverse environments, contributing to EV charging station construction.

    Application
    • 1-Phase from 1.3kW to 7.4kW
    • 3-Phase from 4.1kW to 22kW
    • Full Protection
    • Dynamic Load Balancing (optional)
    • Open Charge Point Protocol (optional)
    • Customize All Types of Connectors
    • Smart Version with APP (optional)
    • 3 Years Warranty
    • Built-in Type B RCD for Leakage Protection
    • Over Temperature Sensor
    • Clip-on Grid Current Sensor
    • LED Ring Status Indication
    • With Emergency Stop Switch
    Application

    Therefore, Tongxing EV charger has been catering to the different customers' needs and updating our products in terms of functions, materials etc.

    EV Charging Station Application 1EV Charging Station Application 2EV Charging Station Application 3EV Charging Station Application 4EV Charging Station Application 5
    Application
    Contact us for a free consultation
    Parameter AC 7KW AC 11KW AC 22KW
    Rated Power AC 7KW AC 11KW AC 22KW
    Product Model 7kw single machine with plastic shell 11kw single machine with plastic shell 22kw single machine with plastic shell
    Installation Method Wall mounted
    Overall Dimensions 230 × 85 × 370 (mm) wide, thick, and high
    Weight About 4 KG
    Output Mode Single circuit, European standard cable, 5M cable Single circuit, European standard cable, 5M cable Single circuit, European standard cable, 5M cable
    Interface LED lamp, 4.3 inch LCD touch screen (optional)
    Wiring Mode Down in and down out
    Input Voltage AC220V ±20% AC380V ±20% AC380V ±20%
    Input Frequency 45–65Hz
    Output Voltage AC220V ±20% AC380V ±20% AC380V ±20%
    Single Gun Output Current Single item 32A Three items 16A Three items 32A
    Metering Accuracy Level 0.5
    Current Limiting Protection ≥110%
    Standby Power ≤3W
    Charging Mode Plug and play, automatic full, regular charging
    Payment Method Swipe card charging, scan code charging
    Communication Method Ethernet, 4G, WIFI, Bluetooth, App (optional)
    Executive Standards IEC62196
    Safety Function Overvoltage protection, undervoltage protection, overload protection, short circuit protection, grounding protection, lightning protection, emergency stop protection, leakage protection, adhesion detection
    DLB Dynamic Load Balancing
    Working Temperature −25℃ — +50℃
    Working Humidity 5% – 95% frost free
    Working Altitude <2000 meters
    Protection Level IP54
    Cooling Method Forced air cooling
    Noise Control ≤40dB
    Frequently Asked Questions
    What is Dynamic Load Balancing (DLB) in EV charging stations?
    Dynamic Load Balancing (DLB) is a smart feature that automatically distributes and adjusts the available electrical power among multiple charging points in real time. This ensures no single circuit is overloaded, maximizing charging efficiency while maintaining electrical safety.
    What power options are available for these EV charging stations?
    These EV charging stations support 1-Phase charging from 1.3kW to 7.4kW and 3-Phase charging from 4.1kW to 22kW, covering a wide range of residential, commercial, and fleet charging needs.
    What safety protections are built into the charging station?
    The charging station includes comprehensive safety features such as overvoltage protection, undervoltage protection, overload protection, short circuit protection, grounding protection, lightning protection, emergency stop protection, leakage protection, and adhesion detection. It also features a built-in Type B RCD and an over-temperature sensor.
    What communication and connectivity options does the charger support?
    The charger supports multiple communication methods including Ethernet, 4G, Wi-Fi, Bluetooth, and App connectivity (optional). It also supports the Open Charge Point Protocol (OCPP) as an optional feature for seamless integration with charging network management systems.
    How can users pay for charging sessions?
    Users can pay through swipe card charging or scan code (QR code) charging, providing flexible and convenient payment options for both public and private charging environments.
    What is the warranty period and what installation method is supported?
    The charging station comes with a 3-year warranty. It is designed for wall-mounted installation with a compact form factor of 230 × 85 × 370 mm and weighs approximately 4 kg, making it easy to install in both residential garages and commercial parking facilities.

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