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    125 amp Dual Power Manual Transfer Switch, 1/2/3/4 Pole

    Wholesale price 125A dual power manual transfer switch for sale online. 1 pole, 2 pole, 3 pole and 4 pole home generator transfer switches can be used to provide backup power to ensure that lighting, refrigerators, air conditioners, etc. in the home continue to operate in the event of a power grid outage.
    SKU: ATO-MTS-125

    Portable 125 amp manual transfer switch is an electrical device used to manually switch between two sources of electrical power. Dual power transfer switches work at rated voltage 50~400V, 1 pole, 2 pole, 3 pole and 4 pole for selection.


    Model ATO-GCB1
    Rated Current 125A
    Frame Current 125A
    Number Of Poles 1 Pole 2 Pole 3 Pole 4 Pole
    Breaking Capacity 4.5kA
    Release Accessories Overcurrent Release
    Wiring Method Plug-in
    Electrical Life 10000 times
    Mechanical Life 10000 times
    3C Rated Voltage Range 50V~440V


    Manual transfer switch details

    Dimensions (Unit: mm)

    Manual transfer switch dimensions

    Wiring Diagram

    Manual transfer switch wiring

    Usage Method

    • When the left side is closed, push up the right side and the left side will be linked to close.
    • When the right side is closed, push up the left side and the right side will be linked to close.
    • The working principle of the dual power manual switch is to turn off the power first and then switch, so there is no need to worry about short circuit problems.
    • It is recommended to choose a 1P or 2P manual transfer switch for household 220V lines, and a 3P or 4P manual transfer switch for industrial 380V lines.

    Tips: What is a manual transfer switch used for?

    A dual power manual transfer switch is used to safely and efficiently switch power sources in electrical systems. It provides a convenient way to alternate between two power sources, typically between a utility power supply and a backup generator.

    During normal operating conditions, the transfer switch enables the electrical system to draw power from the utility grid. However, in the event of a power outage or when the utility power is unavailable, the transfer switch allows the system to seamlessly switch to the backup generator as the primary power source.

    The manual aspect of the transfer switch means that it requires human intervention to initiate the switch from one power source to another. This allows the user to control when and how the transition occurs, ensuring a smooth and controlled transfer of power.

    Dual power manual transfer switches are commonly used in residential, commercial, and industrial settings where a reliable backup power supply is essential. They provide a practical and dependable solution for managing power outages, preventing downtime, and maintaining essential electrical functions until utility power is restored.

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