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LMGLZ Manual Transfer Switch ATS 63A-3150A - China Suppliers & Factory Certified AC400V Switches

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Model Name: LMGLZ
Rated Voltage: AC400V
Rated Current: 63A~3150A
Pole: 3P, 4P
Product Category: Manual Changeover Switch
Certification: CE, CB, CCC
Standard: IEC 60947-3
Email: sale@lvma-ele.com

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Introducing the LMGLZ Manual Changeover Switch, expertly manufactured by a leading China factory. This high-quality switch is rated for AC400V and can handle current from 63A to 3150A, making it perfect for a variety of applications. Available in both 3P and 4P configurations, this versatile product meets international standards, including IEC 60947-3, and carries essential certifications such as CE, CB, and CCC. As trusted suppliers in the industry, we ensure that our customers receive reliable and durable products that stand up to rigorous usage. For inquiries, please reach out to us at sale@lvma-ele.com.

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    LMS1-LA Series Manual
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    Product Details

    LMS1-LA as our ingenuity research and development of a new generation of dual power automatic transfer switch, in the performance and technology to achieve a major breakthrough. The product provides 63A, 125A, 250A, 400A, 630A and other rated current specifications, whether it is the continuous operation of massive servers in data centers, or the uninterrupted power supply of life support equipment in hospital ICU wards, the stable operation of elevator and fire fighting system in high-rise buildings can fully meet the power demand in different scenarios. ​

    Its switching speed can be called industry-leading, switching time only 10ms-50ms, with millisecond response speed to complete power conversion. In the data center, the LMS1-LA automatic transfer switch can switch to the standby power supply in a very short period of time in the face of sudden power failure, avoiding data loss and system collapse caused by momentary power failure; in the hospital environment, the LMS1-LA automatic transfer switch can switch to the standby power supply in a very short period of time, millisecond-level power switching can guarantee the stable operation of precision instruments and first-aid equipment in operating rooms, and escort the safety of patients. When applied to high-rise buildings, fast power changeover ensures smooth parking of elevators, normal operation of fire fighting systems and improved building Factor of safety. ​
    The transfer switch is composed of a high performance excitation contactor and an intelligent controller. When working, the electromagnetic coil produces a strong and stable attraction to drive the switching action to ensure the instant completion of power switching. This feature not only effectively guarantees the rapid switching of the power supply when the equipment is powered off, but also realizes the seamless connection of the power supply, which provides a reliable and solid power guarantee for the equipment with strict requirements for power continuity. ​

    In a power supply system, a manual transfer switch manually switches a load from one power supply to another, ensuring that the load remains powered in the event of a power failure or need for maintenance, ensuring the continuous operation of the equipment. It is commonly used in hospitals, banks and other places that require high reliability of power supply. Applies to AC 50Hz, rated voltage below 660V (690V), apply to rated voltage below 440V. Rated current is 63A ~ 3150A.

    Model Description

    automatic-transfer-switch-26

    Product Features

    1. Simple and Reliable

    Simple Structure: Manual transfer switch adopts mechanical structure, intuitive operation, low failure rate.

    High Reliability: Without complex electronic components, manual switches can operate reliably in harsh environments.

    2. Low Cost

    Lower Cost: Manual transfer switches are cheaper than automatic transfer switches (ATS) and are suitable for projects with limited budgets.

    Low Maintenance Cost: Simple structure, low maintenance and repair costs.

    3. Flexible Operation

    Manual Control: Can fully control the power switching time, suitable for scenarios that require human intervention.

    Suitable for Small-Scale Applications: Suitable for homes, small shops or places that do not require frequent power switching.

    4. High Security

    Prevent Misoperation: Manual operation requires manual confirmation, avoiding misoperation that may occur with automatic switching.

    Electrical Isolation: During the switching process, ensures that the main power supply and standby power supply will not be connected at the same time, avoiding short circuit or equipment damage.

    5. Adaptability

    Applies to a Variety of Power Sources: Can be used to switch between mains and generators, solar cells, UPS and other different power sources.

    Environmental Adaptability: Able to work in high temperature, high humidity and other harsh environments.

    6. Easy Installation

    Easy Installation: Manual transfer switch is usually small in size, simple to install, no complex wiring or debugging required.

    Small Space: Suitable for places with limited space.

    7. No Need for External Power Supply

    Independent Operation: Manual transfer switch does not need external power supply or control signal, completely dependent on manual operation, suitable for unstable power environments.

    8. Handover Without Delay

    Instant Power Switch: Manual operation can complete power switching immediately, without waiting for detection or delay.

    9. Transparency

    Visible Operation: You can intuitively see the switch state to ensure that the switching process is clear and controllable.

    Main Technical Parameters

    Rated current (A) 63 100 125 160 200 225 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150
    Rated insulation voltage 690V 800V 1000V
    Rated working voltage AC 400V
    Rated frequency 50Hz
    Rated short-circuit connecting capacity 17 40 105
    Mechanical life 1700 1400 800 500 300
    Electric life 300 200 100

    Structure and Mounting Dimensions

    automatic-transfer-switch-1-3
    automatic-transfer-switch-2-5
    automatic-transfer-switch-3-4
    automatic-transfer-switch-4-6
    Frequently Asked Questions (FAQ)
    Q What is a manual transfer switch and how does it work?
    A manual transfer switch is a mechanical device used to manually switch a load from one power source to another. It works by physically moving a switch handle to redirect power from the main supply to a backup supply (such as a generator or UPS), ensuring the load remains powered without connecting both sources simultaneously.
    Q What is the rated current range of this manual transfer switch?
    This manual transfer switch covers a wide rated current range from 63A to 3150A, making it suitable for both small-scale residential applications and large industrial power systems.
    Q What is the difference between a manual transfer switch and an automatic transfer switch (ATS)?
    A manual transfer switch requires a person to physically operate the switch to change power sources, while an automatic transfer switch (ATS) detects a power failure and switches sources automatically. Manual switches are lower in cost, simpler in structure, and require no external power or control signals, but do not provide instant automatic response to outages.
    Q Where is a manual transfer switch commonly used?
    Manual transfer switches are commonly used in hospitals, banks, data centers, commercial buildings, and other facilities that require high reliability of power supply. They are also suitable for homes, small shops, and places where frequent automatic switching is not required.
    Q Can this manual transfer switch work in harsh environments?
    Yes. Due to its simple mechanical structure and the absence of complex electronic components, this manual transfer switch is capable of operating reliably in harsh environments including high temperature, high humidity, and dusty conditions.
    Q What voltage and frequency specifications does this manual transfer switch support?
    This manual transfer switch applies to AC 50Hz systems with a rated working voltage of AC 400V. The rated insulation voltage ranges from 690V to 1000V depending on the current rating. It is suitable for systems with rated voltage below 660V (690V) and rated voltage below 440V for specific configurations.

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