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    3 Pole Single Throw Knife Switch, 400A

    The provided 3 pole 400A single throw knife switch is used to control the connection and disconnection of circuits, suitable for high-voltage, high-power power systems or industrial equipment to realize segmental control, maintenance and protection of current.
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    Delivery date: 6-12 days

    Reliable and durable 3 pole 400A single throw switch is suitable for applications such as high voltage switchgear, substations, industrial equipment and power distribution systems in power systems.


    Model ATO-HD11F-400A/38
    Rated Voltage 380V
    Insulation Voltage 1000V
    Rated Current 400A
    Number Of Poles Tripolar
    Metal Material Copper
    Base Material Insulation Board (Black)
    Handle Material Flame Retardant PA66
    Installation Method Fixed Vertical Installation

    Dimensions (Unit: cm)

    Single throw knife switch dimension

    Tips: Double Throw Knife Switch vs. Single Throw Knife Switch

    A double-throw knife switch and a single-throw knife switch are two different types of electrical switches that serve distinct purposes.

    A single-throw knife switch, also known as a toggle switch, has a lever that can be manually moved between two positions to either complete or interrupt the electrical connection. It controls a single circuit and is typically used for simple on/off operations. Single-throw switches are commonly found in household appliances, lighting systems, and small electronic devices.

    On the other hand, a double-throw knife switch provides an additional position or set of contacts compared to a single-throw switch. It has two separate circuits or conductors that can be controlled independently. This allows for the redirection of electrical flow between two different paths or destinations. Double-throw switches are commonly used in applications where circuit switching, bypassing, or safety measures are required. They are often found in industrial settings, power distribution panels, and electrical control systems.
    In summary, while a single-throw knife switch controls a single circuit with two positions (on/off), a double-throw knife switch allows for the switching of electrical circuits between two different paths or destinations, offering more versatility and flexibility in electrical control.

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