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China Y-700 Automatic Transfer Switch Controller - Reliable Power Supply Solution from Leading Suppliers and Factory

Introducing our Dual Power Automatic Transfer Switch Controller, a cutting-edge solution designed to ensure uninterrupted power supply. This controller meticulously monitors voltage, frequency, phase, and other critical parameters of two power sources. In the event of anomalies such as over-voltage, under-voltage, phase loss, or irregular frequency, the controller swiftly detects these issues and activates the appropriate switching equipment. Following pre-established logic and programs, it automatically redirects the load from the faulty supply to the stable one, guaranteeing a continuous and dependable power source, As a leading supplier and factory in China, we are committed to providing high-quality power management solutions that meet the diverse needs of our clients. Trust our expertise to enhance your power reliability and efficiency
    LMS1-LA Series Manual

    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. ​

    Y-700 series ATS controller is intelligent dual-supply switch module, which integrates a programmable function, automatic measurement, LCD display, and digital communication. It combines digital, intelligent, networking, measurement and control process automation, disoperation, in order to reduce the faults during operation. It is the best ideal option in ATS. Y-700 series ATS controller is made of microprocessor as its core, can accurately detect extended-spectrum 2-way-3-phase voltage and also make accurate judgment and output passive control switch under the abnormal voltage (over and under voltage, miss phase and over and under frequency).

    This controller has full consideration in various application of ATS (automatic transfer system) can be directly used for Intelligent ATS, Contactor ATS, Circuit Break ATS etc. It have compact structure, advanced circuits, simple wiring and high reliability, be widely used in Electric power, Telecommunications, Petroleum, Coal, Metallurgy, Railways, Municipal, Intelligent building, Electrical devices, Automatic control and Testing system etc.

    Model Description
    Model Description01
    Main Technical Parameters
    Operating Voltage
    1. DC 8.0V~35.0V, power supply constantly
    2. HTS220/HWS560 Power mould supply power (No battery charge)
    3. AC power L1N1/L2N2 supply. Voltage range AC (160~280V) (Y-700/B、Y-700/BI)
    Power Consumption <3W (Standby mode: ≤2W)
    AC Voltage Input AC System Y-700、Y-700/I Y-700B、Y-700/BI
    3-phase 4-wire (L-L) 80V~625V 80V~480V
    3-phase 3-wire (L-L) 80V~625V Not Used
    1-phase 2-wire (L-L) 50V~360V 50V~280V
    2-phase 3-wire (L-L) 80V~625V 80V~480V
    Rated Frequency 50/60Hz
    Close And Open Trip Relay Output 16A 250V AC Free voltage relay output
    Programmable Relay Output 16A/7A 250VAC Free voltage relay output
    Digital Input Connecting to GND is active
    Communication RS485, MODBUS Protocol
    Dimensions 211mm x 155mm x 55mm
    Panel Cutout 186mm x 141mm
    Operating Temp Range Temperature: (-25~+70)°C, Humidity: (20~90)%
    Storage Condition Temperature: (-30~+80)°C
    Protection Rank IP55: when waterproof sealing gasket added between controller and screen

    IP42: when waterproof sealing gasket NOT added between controller and screen
    Insulation Strength Object: Among the input/output/power supply
    Quoted standard: IEC 688-1992
    Test way: AC 1.5kV/1 min leak current 5mA
    Weight 0.8kg (Y-700, Y-700/I) / 1.0kg (Y-700/B, Y-700/BI)
    Operation Panel
    Structure and Mounting Dimensions01Structure and Mounting Dimensions02
    Connection Mode
    Structure and Mounting Dimensions04Structure and Mounting Dimensions05Structure and Mounting Dimensions06
    Structure and Mounting Dimensions07
    Frequently Asked Questions
    Q
    What is the Y-700 series ATS controller used for?
    The Y-700 series ATS controller is an intelligent dual-supply switch module designed for Automatic Transfer Systems (ATS). It is used to automatically detect and switch between two power supplies in the event of abnormal voltage conditions such as over/under voltage, phase loss, or frequency deviation. It is widely applied in electric power, telecommunications, petroleum, railways, intelligent buildings, and other industries.
    Q
    What types of ATS systems is the Y-700 controller compatible with?
    The Y-700 series controller is compatible with multiple types of ATS systems, including Intelligent ATS, Contactor ATS, and Circuit Breaker ATS. Its compact structure, advanced circuitry, and simple wiring make it a versatile solution for a wide range of automatic transfer applications.
    Q
    What are the operating voltage options for the Y-700 series controller?
    The Y-700 series supports multiple operating voltage options: DC 8.0V~35.0V (constant power supply), power via HTS220/HWS560 power module (no battery charging), and AC power via L1N1/L2N2 supply with a voltage range of AC 160~280V (applicable to Y-700/B and Y-700/BI models).
    Q
    What communication protocol does the Y-700 ATS controller support?
    The Y-700 series ATS controller supports RS485 communication interface with the MODBUS protocol. This enables seamless integration with SCADA systems, building management systems, and other industrial automation networks for remote monitoring and control.
    Q
    What is the protection rating of the Y-700 series controller?
    The Y-700 series offers two levels of protection rating depending on installation. When a waterproof sealing gasket is installed between the controller and the screen, it achieves an IP55 rating. Without the waterproof gasket, the protection level is IP42. For outdoor or harsh environment installations, using the sealing gasket is strongly recommended.
    Q
    What are the panel cutout dimensions and operating temperature range for the Y-700?
    The panel cutout dimensions for the Y-700 series are 186mm x 141mm, with an overall controller size of 211mm x 155mm x 55mm. The controller operates reliably within a temperature range of -25°C to +70°C and a humidity range of 20% to 90%. For storage, it can withstand temperatures from -30°C to +80°C.

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