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Y-701B Automatic Transfer Switch Controller from China Factory - Reliable Power Supply Solution by Trusted SuppliersY-701B Automatic Transfer Switch Controller from China Factory - Reliable Power Supply Solution by Trusted Suppliers
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Y-701B Automatic Transfer Switch Controller from China Factory - Reliable Power Supply Solution by Trusted Suppliers

2026-05-23
The Y-701B controller is a state-of-the-art independent ATS controller designed for reliable power management. This advanced device monitors grid parameters such as overvoltage, undervoltage, phase loss, over frequency, underfrequency, and misphase sequence to ensure optimal performance. When abnormal conditions are detected, the Y-701B controller automatically manages the transfer switch (TSE) according to a predetermined operational mode, seamlessly switching to the appropriate power supply. This guarantees uninterrupted power supply to the load side, making it an essential component for any facility. As a trusted product from China, the Y-701B controller is manufactured by leading suppliers in the industry, ensuring high quality and reliability directly from the factory. Choose the Y-701B controller for peace of mind in your power management solutions
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Y-703N Automatic Transfer Switch Controller - China Suppliers & Factory - Rated AC220V, CE CertifiedY-703N Automatic Transfer Switch Controller - China Suppliers & Factory - Rated AC220V, CE Certified
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Y-703N Automatic Transfer Switch Controller - China Suppliers & Factory - Rated AC220V, CE Certified

2026-05-23
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Model: Y-703N

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Rated Voltage: AC220V

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Rated Current: 3A

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Compatibility: GA/GNF/S/N/L/SA/SN/Q

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Certifications: CE, CB, CCC

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Standard Compliance: IEC 60947-6-1

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Contact Us: For inquiries, please email sale@lvma-ele.com

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As a leading China manufacturer, our factory specializes in producing high-quality electrical components like the Y-703N. With a rated voltage of AC220V and a current rating of 3A, this model is compliant with international standards and certifications including CE, CB, and CCC. We are dedicated to providing reliable products to our customers and establishing long-term partnerships with suppliers across the globe.

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China LMS1-NA Series 125A Automatic Transfer Switch (ATS) - Reliable Dual Power Supply from Top Suppliers and FactoryChina LMS1-NA Series 125A Automatic Transfer Switch (ATS) - Reliable Dual Power Supply from Top Suppliers and Factory
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China LMS1-NA Series 125A Automatic Transfer Switch (ATS) - Reliable Dual Power Supply from Top Suppliers and Factory

2026-05-23
The LMS1-NA Series PC Class Dual Power Auto Transfer Switch is an essential component for ensuring uninterrupted power supply in two-way power systems. Designed for facilities operating with a rated voltage of up to 400V and AC frequencies of 50/60Hz, this reliable switch can handle rated currents of up to 630A. In the event of a power supply failure, the LMS1-NA seamlessly transfers power between the two sources, enhancing overall power supply reliability and safety. Explore our high-quality products manufactured in China by trusted suppliers and leading factory standards to meet your power management needs
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China LMQ2Y Series Automatic Transfer Switch CB Class - 100A to 800A Suppliers and FactoryChina LMQ2Y Series Automatic Transfer Switch CB Class - 100A to 800A Suppliers and Factory
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China LMQ2Y Series Automatic Transfer Switch CB Class - 100A to 800A Suppliers and Factory

2026-05-23
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Model Name: LMQ2Y

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Rated Voltage: AC400V

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Rated Current: 100A~800A

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Pole: 3P, 4P

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Product Category: CB Class

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Drive Mode: Motor Type

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Certification: CE, CB, CCC

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Standard: IEC 60947-6-1

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Contact Us: For inquiries, reach out via email at sale@lvma-ele.com

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Your trusted source for high-quality electrical components. As a leading China supplier and factory, we are committed to providing robust solutions ideal for various applications. Our LMQ2Y model circuit breakers are designed to meet IEC standards while ensuring reliability and safety in power distribution systems. Whether you require 3P or 4P configurations, our products cater to your needs with rated currents ranging from 100A to 800A. Choose us for durable and certified electrical solutions.

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100A~630A Manual Transfer Switch ATS - Durable Power Solutions from China Suppliers & Factory100A~630A Manual Transfer Switch ATS - Durable Power Solutions from China Suppliers & Factory
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100A~630A Manual Transfer Switch ATS - Durable Power Solutions from China Suppliers & Factory

2026-05-23
The LMGL-Z1A series manual transfer switch is designed for AC 50Hz applications with a rated voltage below 660V (690V). This switch is ideal for environments where infrequent circuit or electrical connections and disconnections are required, accommodating a rated voltage of up to 440V and a rated current range of 100A to 630A. As a trusted China supplier and factory, we ensure that our products meet the highest standards of quality and reliability. For inquiries, please contact us at sale@lvma-ele.com
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LMS1-NJT Series 63A Automatic Transfer Switch ATS - Top China Suppliers & Factory AvailableLMS1-NJT Series 63A Automatic Transfer Switch ATS - Top China Suppliers & Factory Available
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LMS1-NJT Series 63A Automatic Transfer Switch ATS - Top China Suppliers & Factory Available

2026-05-23
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Model Name: LMS1-NJT

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Rated Voltage: AC220V

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Rated Current: 10~63A

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Pole: 2P

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Product Category: PC Class

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Drive Mode: Excitation type

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Certification: CE, CB, CCC

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Standard: IEC 60947-6-1

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Email: sale@lvma-ele.com

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Discover the innovative LMS1-NJT model, a premier product manufactured by a leading factory in China. Our LMS1-NJT offers reliable performance at an AC voltage of 220V, with a rated current range of 10 to 63A. This 2-pole device adheres to the PC Class standards and operates on an excitation type drive mode, ensuring efficiency and safety.

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Certified with CE, CB, and CCC, this product meets the international IEC 60947-6-1 standard, making it a trusted choice among suppliers and industries worldwide. For more information and inquiries, please contact us at sale@lvma-ele.com.

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Y-702 Automatic Transfer Switch Controller - China Suppliers & Factory - AC220V, RS485, Modbus RTU, Ethernet OptionsY-702 Automatic Transfer Switch Controller - China Suppliers & Factory - AC220V, RS485, Modbus RTU, Ethernet Options
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Y-702 Automatic Transfer Switch Controller - China Suppliers & Factory - AC220V, RS485, Modbus RTU, Ethernet Options

2026-05-23

Rated Voltage: AC220V

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Operating Frequency: 50Hz/60Hz

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Voltage Measurement Accuracy: ± 1%

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Frequency Measurement Accuracy: ± 0.05 Hz

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Adjustable Switching Time: 0.5-30s

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Communication Interface: RS485 and optional Ethernet

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Communication Protocol: Modbus RTU and optional TCP/IP

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Working Temperature Range: -10 °C to +60 °C

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Environment Humidity: ≤90% Rh (non-condensing)

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If you are looking for reliable electrical measurement solutions from China, our factory offers high-quality voltage and frequency measurement devices. As leading suppliers in the industry, we ensure precision and durability in all our products. For inquiries, please contact us at sale@lvma-ele.com.

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China LMS1-LA3 Series 630A Automatic Transfer Switch ATS - Reliable Suppliers & Factory SolutionsChina LMS1-LA3 Series 630A Automatic Transfer Switch ATS - Reliable Suppliers & Factory Solutions
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China LMS1-LA3 Series 630A Automatic Transfer Switch ATS - Reliable Suppliers & Factory Solutions

2026-05-23
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Model Name: LMS1-LA3

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Rated Working Voltage: AC230V, AC400V

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Rated Working Current: 16A-630A

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Pole Configuration: 2P, 3P, 4P

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Rated Insulation Voltage: AC 690V

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Frame Class: 63, 125, 250, 630

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Rated Frequency: 50Hz

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Product Category: PC Class

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Key Features: 2 Position, Built-in ATS Controller

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Drive Mode: Excitation Type

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Certifications: CE, CB, CCC

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Standards Compliance: IEC 60947-6-1

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Contact Email: sale@lvma-ele.com

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Discover the LMS1-LA3, a top-quality product manufactured by trusted China suppliers and factories. This versatile device is designed to operate at rated voltages of AC230V and AC400V, with a working current range of 16A to 630A. Available in various pole configurations (2P, 3P, 4P), the LMS1-LA3 meets rigorous standards and provides exceptional reliability. With a rated insulation voltage of AC 690V and adherence to IEC 60947-6-1 standards, it is perfect for various industrial applications. Explore the advanced features such as the built-in ATS controller and choose the LMS1-LA3 for your electrical solutions.

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China LMS1-SA Series Automatic Transfer Switch ATS 630A Suppliers and Factory, Reliable Power Management SolutionChina LMS1-SA Series Automatic Transfer Switch ATS 630A Suppliers and Factory, Reliable Power Management Solution
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China LMS1-SA Series Automatic Transfer Switch ATS 630A Suppliers and Factory, Reliable Power Management Solution

2026-05-23
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Model Name: LMS1-SA

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Rated Working Voltage: AC230V, AC400V

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Rated Working Current: 16A to 630A

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Pole Configuration: 2P, 3P, 4P

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Product Category: PC Class

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Rank Current Options: 63A, 125A, 250A, 630A

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Key Features: 3 Position operation, built-in ATS controller for enhanced reliability

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Drive Mode: Excitation type for efficient performance

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Certifications: CE, CB, CCC certified for quality assurance

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Industry Standard: Complies with IEC 60947-6-1

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Contact Us: For inquiries, please reach out to our team at sale@lvma-ele.com

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As a leading China supplier and factory, we specialize in high-quality electrical products, ensuring you receive top-notch solutions tailored to your needs. The LMS1-SA model is designed to meet rigorous standards, making it a reliable choice for various applications.

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China W2 W3 Automatic Transfer Switch Controller - Dual Power Supply Management by Reliable Suppliers and FactoryChina W2 W3 Automatic Transfer Switch Controller - Dual Power Supply Management by Reliable Suppliers and Factory
10

China W2 W3 Automatic Transfer Switch Controller - Dual Power Supply Management by Reliable Suppliers and Factory

2026-05-23
The W2, W3 Dual Power Controller is an advanced intelligent control device designed for dual power automatic switching systems (ATS) in China. This essential device monitors and manages the operational status of two power sources: a primary power supply and a backup power supply. In the event of a power failure, it ensures seamless automatic switching to maintain continuous power supply to your load, Ideal for various configurations, including C-type, Y-type, and W-type dual power supplies, the W2, W3 Dual Power Controller offers real-time monitoring of critical parameters such as three-phase voltage, three-phase current, frequency, and power. These parameters are clearly displayed through a user-friendly liquid crystal display, As a reliable supplier and factory for advanced power management solutions, we ensure that our W2, W3 Dual Power Controller meets the highest standards of efficiency and performance, making it a vital component for any power management system in China
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LMQ3-630W1 Automatic Transfer Switch ATS 630A - Reliable China Suppliers and Factory for Quality Electrical SolutionsLMQ3-630W1 Automatic Transfer Switch ATS 630A - Reliable China Suppliers and Factory for Quality Electrical Solutions
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LMQ3-630W1 Automatic Transfer Switch ATS 630A - Reliable China Suppliers and Factory for Quality Electrical Solutions

2026-05-23
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Model Name: LMQ3-630W1

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Rated Voltage: AC400V

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Rated Current: 63A~630A

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Frame Class: 125, 250, 630

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Pole: 4P

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Product Category: Circuit Breaker Class

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Drive Mode: Motor Type

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Certification: CE, CB, CCC

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Standard: IEC 60947-6-1

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Email: sale@lvma-ele.com

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Discover the LMQ3-630W1, a high-performance circuit breaker model proudly manufactured in China. This industrial-grade circuit breaker, designed specifically for motor applications, is available from leading suppliers and factories in the region. It operates at a rated voltage of AC400V and supports current ratings ranging from 63A to 630A, making it suitable for various applications. The LMQ3-630W1 features a robust frame class with options of 125, 250, and 630, and is built to comply with international standards including IEC 60947-6-With its four-pole configuration and durable CE, CB, and CCC certifications, this product stands as a reliable choice for industries looking for quality and safety. Contact us at sale@lvma-ele.com to learn more about our products backed by trusted Chinese suppliers and factories.

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China LMS1-GN Automatic Transfer Switch ATS 250A - Reliable Suppliers and Factory Solutions for Power ManagementChina LMS1-GN Automatic Transfer Switch ATS 250A - Reliable Suppliers and Factory Solutions for Power Management
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China LMS1-GN Automatic Transfer Switch ATS 250A - Reliable Suppliers and Factory Solutions for Power Management

2026-05-23
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Model Name: LMS1-GN

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Rated Working Voltage: AC400V

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Rated Working Current: 16A-3200A

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Pole: 3P, 4P

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Rated Insulation Voltage: AC690V, AC1000V

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Frame Class: 100, 160, 250, 630, 1600, 3200

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Rated Frequency: 50Hz

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Product Category: PC Class

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Features: 3 Position, Built-in ATS controller

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Drive Mode: Motor type

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Certification: CE, CB, CCC

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Standard: IEC 60947-6-1

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Contact Us: sale@lvma-ele.com

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Discover the LMS1-GN model, a high-quality electrical solution designed for demanding industrial applications. As a trusted China factory and supplier, we offer a range of rated working currents from 16A to 3200A and operate under a rated working voltage of AC400V. Available in both 3P and 4P configurations, our product adheres to international standards with rated insulation voltages of AC690V and AC1000V.

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The LMS1-GN is built with robust frame classes, including options for 100, 160, 250, 630, 1600, and 3200, ensuring versatility for various electrical systems. With a rated frequency of 50Hz and compliance with IEC 60947-6-1 standards, our device guarantees reliability and safety.

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Equipped with advanced features like a 3-position configuration and a built-in ATS controller, the LMS1-GN operates on a motor-type drive mode, making it ideal for modern automation needs. Trust in our CE, CB, and CCC-certified products when you choose us as your leading China supplier and factory for electrical solutions.

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