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    10 hp 3 Phase Magnetic Motor Starter

    The provided 10 hp (7.5kW) magnetic starter is a motor protector that provides overload protection, overheating protection and phase loss protection. 2 phase (220V) and 3 phase (380V) magnetic motor starter, 18A rated current, 25A frame current, 50 /60Hz, low price, direct manufacturer sale.
    SKU: ATO-MS-10HP
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Cheap 10 hp magnetic starter is composed of an AC contactor and overheating relay. 7.5kW power, 220V or 380V voltage, 18A rated current, 25A frame current, 50/60Hz. This two phase/three phase magnetic starter switch can help control the starting and stopping of motors, reducing mechanical stress on motors and other connected equipment.


    • Model: ATO-QCX5
    • Power: 10 hp (7.5kW)
    • Applicable Voltage: 220V (2 Phase) or 380V (3 Phase)
    • Rated Current: 18A
    • Frame Current: 25A
    • Breaking Capacity: 15kA
    • Rated Frequency: 50/60Hz
    • Ambient Temperature: -5°C~+40°C
    • Installation Method: Screw Installation
    • Installation Category: II
    • Dimension: 175x105x120mm


    • 10 hp magnetic starter provides overload protection and phase failure protection to ensure that the motor can be powered off promptly under abnormal operating conditions to prevent damage and extend the life of the equipment. Equipped with overheating protection to effectively prevent the motor from overheating, which may cause equipment damage or accidents.
    • ATO magnetic motor starter has high elasticity, insulation and air tightness to ensure the safety and stability of circuit operation. It is equipped with a flame-retardant and waterproof shell material to ensure the stable operation of the device for a long time.
    • 2/3 phase magnetic starter is easy to install, has a self-reset button operation, and is simple and convenient to operate. Green start and red stop self-reset buttons are used to intuitively display the device status.


    Magnetic starter wiring


    Magnetic starter applications

    Tips: Why are magnetic starters important for motor control?

    Magnetic starters are crucial for motor control due to their role in enhancing the safety, efficiency, and reliability of electric motor operations. These devices primarily serve three key functions:

    • Overload Protection: Magnetic starters include thermal overload relays that monitor the motor's current. In the event of excessive current, indicating a potential overload or fault, the magnetic starter interrupts the power supply to prevent damage to the motor. This protective feature prevents overheating and extends the motor's lifespan.
    • Voltage Protection: Magnetic starters offer voltage protection by preventing the motor from starting or running if the voltage levels deviate from the specified range. This ensures that the motor operates under optimal conditions, minimizing the risk of damage and ensuring consistent performance.
    • Control of Motor Start and Stop: Magnetic starters facilitate controlled motor start and stop operations. They use a contactor, an electromagnetically controlled switch, to manage the flow of current to the motor. This controlled engagement and disengagement help avoid sudden, jarring starts and stops, reducing mechanical stress on the motor and associated equipment.

    In summary, magnetic starters provide essential protection against overloads and voltage variations, promoting the longevity and reliability of electric motors. Additionally, their controlled switching mechanisms contribute to smoother motor operations, enhancing overall system performance and safety.

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