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    Toroidal Power Transformer, IP67, 400W/500W

    Toroidal power transformer, with IP67 protection rating, is designed for demanding environments where durability and reliability are paramount. This toroidal transformer has 360W, 400W and 500W rated power and ensures efficient energy conversion with minimal electromagnetic interference. Its toroidal design offers superior performance with reduced core losses and noise, making it ideal for sensitive electronic applications.
    SKU: ATO-T-C400W
    30-day Returns
    Free Shipping
    Delivery date: 7-10 days

    IP67 protection rating toroidal transformer, is available in 360VA, 400VA and 500VA rated power, this toroidal power transformer ensures efficient energy conversion with minimal electromagnetic interference. Designed for input voltages of 220V and output voltages of 12V, 24V or other custom voltages. The IP67 rating guarantees protection against dust and water immersion, ensuring longevity and consistent performance in harsh conditions. Perfect for industrial, medical, and outdoor applications.


    • The input line of this waterproof transformer is cold-resistant, UV-resistant, and anti-aging. The plug is detachable for easy power-on testing.
    • Toroidal power transformer has added an LED indicator light, which can easily identify the working status, making work installation and maintenance more convenient.
    • Waterproof toroidal transformer is specially selected for thermal conductive resin and fully encapsulated with epoxy resin.
    • Toroidal transforme has a built-in all-copper toroidal transformer with sufficient output power, standard voltage, and stable operation.
    • The aluminum shell of the transformer dissipates heat, and heat dissipation in outdoor high-temperature environments is the key. The quality of heat dissipation directly affects the lifespan.


    Model ATO-T-C400VA
    Primary Voltage 220V
    Secondary Voltage 12V/24V
    Rated Power 360VA/400VA//500VA (W)
    Frequency 50Hz/60Hz
    Power Phases Single phase
    Moisture Proof Method Encapsulated type
    Cooling Method Natural cooling
    Cooling Type Dry type
    Frequency Characteristics Low frequency
    Winding Type Double winding
    Core Type Ring type
    Core Shape Ring type
    Appearance Structure Horizontal type
    Efficiency (η) ≥90%
    Hole Distance 158mm*70mm
    Product Volume 235mm*165mm*80mm
    Waterproof Grade lP67 (CE+ Inspection Report)
    Weight 360VA (6kg), 400VA (7kg), 500VA (8kg)
    Status Indicator LED working indicator
    Epoxy Potting Thermal conductive resin potting
    Protective Device Temperature & Overload protection
    Waterproof Housing Round aluminum housing
    Input Line 2*0.75mm2*0.9m VDE
    Output Line 3321-14#0.3m blue-blue

    Epoxy Potting

    Toroidal transformer epoxy potting

    Production Process
    Toroidal transformer production process

    Tips: Maintenance and inspection of toroidal power transformer

    • Regularly inspect the toroidal power transformer for signs of wear, damage, or overheating.
    • Clean the power transformer surface periodically to remove dust and debris, ensuring optimal heat dissipation.
    • Disconnect the power supply before performing any maintenance or adjustments to avoid electrical shock.
    • Use appropriate personal protective equipment (PPE) when handling electrical components.
    • Monitor the torofal transformer’s performance using appropriate instruments to ensure it operates within the specified parameters.
    • Keep an eye on any unusual noise or temperature increases, which may indicate underlying issues.

    By following these tips, you can ensure that your toroidal power transformer operates efficiently and reliably, providing stable power for your applications.

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