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  • Photovoltaic direct current disconnect switch for solar systems | 4P | 16A | 1500V DC | TUV certified | copper contact | ABS housing

    Code: ES-GF51-16/4/BG3

    Photovoltaic direct current (DC) disconnect switch designed for safe disconnection of solar module circuits, inverters, battery energy storage systems, and other high DC voltage equipment during maintenance, emergency shutdown, or repair works. This is a professional-grade switch that allows quick isolation of the direct current line from the load and ensures maximum system safety. This model features an operating voltage of up to 1500V DC, a 4-pole construction, reliable copper contacts, and a durable ABS technical housing, making it suitable for modern solar power plants, electric vehicle DC power circuits, as well as various industrial control solutions. 

  • Technical Specifications

    Type: Photovoltaic DC isolator / disconnect switch
    Polarity: 4P
    Rated current: 16A
    Rated voltage: 1500V DC
    Frequency: 50/60Hz
    Purpose: Isolation / control / emergency disconnection
    Contact material: Copper
    Housing material: Technical ABS plastic
    Certificates: TUV, CCC, CB, ISO9001
    Application field: Solar power plants, industrial DC circuits, automotive DC systems
    Storage temperature: -40°C ~ +85°C

    Functions

    DC circuit disconnection - allows safe manual disconnection of the DC power line of solar modules, inverter or batteries
    Emergency system isolation - provides the possibility to quickly interrupt the power supply during fault, repair or maintenance
    4-pole complete circuit interruption - simultaneously fully disconnects all required DC lines and ensures higher safety
    High voltage 1500V DC control - suitable for modern high-voltage photovoltaic and energy storage systems
    Reliable current transmission through copper contacts - ensures stable electrical conductivity, lower heating and longer service life
    Mechanical manual operation - simple and reliable ON/OFF control without additional power supply
    TUV certified safety - complies with high international electrical safety requirements for professional use

    Usage

    For the household solar power plant owner: Allows quick disconnection of the modules from the inverter, protects during servicing, helps avoid dangerous direct current during repair work, provides more control over the entire system.
    For the engineer / designer: Allows implementation of safe service disconnection, compliance with design safety standards, use in 1500V DC systems, integration into commercial and industrial PV projects.
    For the electrician / solar installer: Clear four-pole connection, compact and reliable switching unit, easy manual operation, low probability of failures during operation. The switch is often installed in inverter boxes, DC protection panels, near solar module fields, battery management cabinets.
    For industrial and automotive DC system specialists: Suitable not only for solar energy, but also for EV charging DC circuits, industrial direct current controllers, battery energy storage systems, high DC voltage testing benches.

    Advantages

    High 1500V DC operating voltage
    TUV certified safety
    4-pole full disconnection
    Reliable copper contacts
    Industrial ABS housing
    Resistant to cold and heat
    Suitable for professional solar systems
    Durable and mechanically strong
    Universal application in various DC circuits

    Disadvantages

    No integrated waterproof outdoor enclosure (installed into a box/cabinet)
    Manual control, no automatic switching function
    Designed only for DC circuit isolation, not for automatic load protection

    Where is this switch most commonly used?
    It is most commonly used in solar power plant DC protection circuits, between solar modules and inverter, as well as in battery energy storage systems.

    Is this switch suitable for a solar power plant?
    Yes, it is designed for safe disconnection of the DC circuit of solar modules from the inverter or other equipment.

    Is the switch suitable for high voltage?
    Yes, this model is adapted for operation in direct current systems up to 1500V DC.

    Why are 4 poles needed?
    4 poles allow simultaneous complete disconnection of all required circuit lines and ensure safer servicing. 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.
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