YUYE Electric | Professional Manufacturer of Automatic Transfer Switch & Low-Voltage Electrical Solutions

About One Two Three Electric

One Two Three Electric Co., Ltd. is located in Yueqing, Zhejiang, China’s famous “electrical capital”, and is a leading manufacturer committed to “quality makes the future”. This mission runs through all aspects of our operations, from rigorous research and development to precision manufacturing.

We focus on designing and producing a series of high-performance, high-standard low-voltage electrical products. As a high-tech enterprise, we adhere to scientific management concepts and customer-centric cooperation policies. We are committed to providing tailor-made solutions for different markets.

“YUYE” is our global sales brand. If you choose YUYE, you choose reliability and a firm commitment to quality — the essence of our identity.

Learn more about our factory & certifications →

Our Core Products

Explore our comprehensive range of low-voltage electrical devices designed for safety, reliability, and intelligent power management.

Solenoid-type ATS YES1-4000~6300Q

High-capacity automatic transfer switch for industrial applications with fast switching and high reliability.

PC ATS YES1-250GN1

Power contactor-based ATS with stable performance and long service life for commercial power systems.

Solenoid-type ATS YES1-32~125N

Compact and efficient solenoid-driven transfer switch ideal for small to medium power backup systems.

Solenoid-type ATS YES1-32~125NA

Enhanced version with auxiliary contacts and improved switching mechanism for better monitoring.

PC ATS YES1-400A

High-current power contactor ATS suitable for data centers and critical infrastructure.

Solenoid-type ATS YES1-63~630SA

Four-pole switching with dual power input support, ideal for three-phase systems with neutral.

Air Circuit Breaker YEW3-1600

High-interrupting capacity air circuit breaker with electronic trip unit for precise protection.

Moulded Case Circuit Breaker YEM3

Plastic shell MCCB with high breaking capacity and thermal-magnetic protection.

ATS Controller Y-800

Advanced digital controller with auto-sensing, delay settings, and remote monitoring capability.

Load Isolation Switch YGL

Manual load break switch for safe isolation in distribution systems up to 3150A.

DC Isolation Switch YEGL3D-630

Designed for solar and DC power systems, ensuring safe disconnection under load.

Control Protection Switch YECPS

Integrated solution combining isolation, protection, and control in one compact unit.

View All Products on Official Site

Why Choose YUYE Electric?

Engineered for performance, safety, and long-term reliability.

Certified Quality

All products meet international standards including CE, CCC, and ISO. Rigorous testing ensures long-term reliability.

OEM/ODM Services

Custom engineering, branding, and packaging solutions tailored to your market and technical requirements.

Fast & Reliable Switching

Our ATS devices ensure seamless power transfer within milliseconds, minimizing downtime.

Global Support

Serving customers in over 50 countries with technical support, documentation, and fast delivery.

Innovative Design

Modern, compact, and modular designs that simplify installation and maintenance.

24/7 Technical Service

Our team is available from 8:00 AM to 7:00 PM China Time, Monday to Sunday, for inquiries and support.

Frequently Asked Questions

What is an Automatic Transfer Switch (ATS)?

An ATS automatically switches the power supply from the main source to a backup generator when a power failure is detected, ensuring uninterrupted power.

Do you offer custom OEM/ODM services?

Yes, YUYE Electric provides comprehensive OEM and ODM services including custom branding, packaging, and engineering modifications.

Are your products certified?

Yes, our products are certified with CE, CCC, ISO, and other international standards to ensure safety and compliance.

What is the delivery time?

Standard delivery time is 15-30 days depending on order quantity and destination. Samples can be shipped within 7 days.

How can I get a quote?

Please visit the official website to submit your inquiry or contact us directly via email or WhatsApp.

Get in Touch

We're available from 8:00 AM to 7:00 PM China Time, Monday to Sunday.

Contact Information

+86 0577 61666833
[email protected]
Wei No.20 Road, Economic Development Zone, Yueqing City, Zhejiang Province, China.
+86 15381576159 (WhatsApp)

Send Us a Message

For inquiries, please visit our official website to submit your request.

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