Xi'an Yueli Electronic Technology Co., Ltd.
Military industrial electronic component expert

More than 500 models and tens of thousands of specifications.

More →
Xi'an Yueli Electronic Technology Co., Ltd.
Military industrial electronic component expert

More than 500 models and tens of thousands of specifications.

More →
Xi'an Yueli Electronic Technology Co., Ltd.
Military industrial electronic component expert

More than 500 models and tens of thousands of specifications.

More →
Xi'an Yueli Electronic Technology Co., Ltd.
Military industrial electronic component expert

More than 500 models and tens of thousands of specifications.

More →
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PRODUCTS

To provide customers with various cost - effective relay products           

The main varieties are: sealed electromagnetic relays, solid state relays, photo MOS relays, time relays, radio frequency relays, contactors, electromagnets, integrated control boxes, modular control units, etc.

All
  • All
  • Product Management

DP-12 – DP-12 Twelve-Group Switching Sealed DC Electromagnetic Relay

The DP12 RS4.521.901 Remote Switch is a low-current, polarity-sensitive, bistable switch with windings designed for connection to DC networks rated at 27 V. It can switch DC and AC circuits operating at frequencies ranging from 50 to 1,500 Hz, with the main contact circuit supporting a working current of 0.08 to 10 A.

LTE AG35 series AG35EUTDA-512-UGASG automotive-grade LTE Cat 4 module

Automotive-grade LTE Cat 4 module LGA package Supports up to 150 Mbps downlink rate and 50 Mbps uplink rate under LTE network Ultra-wide temperature range (-40 °C ~ +85 °C)

RÉS8 -- RÉS8 six-group conversion sealed DC electromagnetic relay

Contact load capacity: 2A 6 sets of switching contacts Temperature range (°C): -55~85 Sinusoidal vibration: 10~500Hz 58.8m/s² Shock (m/s²): 117.6 Contact form: 6Z Contact load and life: Resistive: 2A, 27Vd.c., 1x10⁵ cycles Dimensions (mm): Φ29.5x33 Weight (g): ≤75

Monocular night vision device

Monocular night vision goggles are used for night-time operations, reading, maintenance, observing the surrounding environment, etc. 1. Can be used handheld, directly worn, or connected to a helmet; 2. Has auxiliary lighting function; 3. Allows for left and right eye interchangeable observation; 4. Has undervoltage indication and reverse battery protection function.

Handheld night vision device

Handheld night vision devices are used for nighttime operations, reading, maintenance, and observing the surrounding environment. 1. Under clear, moonless, starry sky conditions, the human recognition distance is greater than 60 meters; 2. Field of view: 27°×20°; 3. Main unit weight: 220g; 4. Magnification: 1×; 5. Operating temperature: -20℃~+40℃; 6. Protection level: IP67.

JCGTT155 Three-axis, three-light stabilized positioning and guidance pod

The JCGTT155 is a miniature three-axis, three-light inertial stabilized positioning pod that integrates a long-wave uncooled infrared camera, a high-definition visible light camera, a laser rangefinder, and a gyro-stabilized platform.

SOLUTION

Application Scenarios

Industry Applications
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Aerospace Industry

Relay plays an irreplaceable role in UAV, and it is one of the key components to ensure the safe, reliable and efficient operation of UAV system.

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Industry Applications
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Ordnance Industry

In the weapons industry, relays undertake the task of controlling the circuit of weapons and equipment, realizing the switching of functions such as shooting and aiming, and ensuring the accurate operation of weapons in complex environments.

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Industry Applications
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Naval Industry

For navals, relays are used in various onboard equipment circuits, such as navigation, communication and other systems, for current switching and protection to help ships navigate safely.

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Industry Applications
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Space Communications

In the communications industry, relays can switch signal lines to ensure stable data transmission, and play a key role in base stations, switches and other equipment to maintain smooth communication.

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Industry Applications
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Drone Industry

Relay plays an irreplaceable role in UAV, and it is one of the key components to ensure the safe, reliable and efficient operation of UAV system.

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ABOUT US

Xi'an Yueli Electronic Technology Co., Ltd.

Professionally research and develop various types of relays, with more than 500 models and tens of thousands of specifications.

The main varieties are: sealed electromagnetic relays, solid-state relays, optical MOS relays, time relays, radio frequency relays, contactors, electromagnets, integrated control boxes, modular control units, etc., which are widely used in aerospace, aviation, weapons, ships, communications, Nuclear industry, rail transit, new energy vehicles, electric power and other fields.

Military contactors and relays developed and produced by the company are fully compatible with and replace similar products made in Russia in situ, and have greater improvement and iteration in material selection and process upgrading!

At present, the company's products have received great attention and demand at home and abroad, and are scarce.

See more →
500 +

All kinds of relay more than 500 models, tens of thousands of specifications.

60 +

More than 60 years of industry experience.

30 +

The company's products are exported to more than 30 countries and regions.

ABOUT US

Xi'an Yuli Electronic Technology Co., Ltd.

Professional research and development of various types of relay more than 500 models, tens of thousands of specifications.

The main varieties are: sealed electromagnetic relays, solid-state relays, optical MOS relays, time relays, radio frequency relays, contactors, electromagnets, integrated control boxes, modular control units, etc., which are widely used in aerospace, aviation, weapons, ships, communications, Nuclear industry, rail transit, new energy vehicles, electric power and other fields.

All kinds of military contactors and relays developed and produced by the company are fully compatible with and replace similar products made in Russia in situ, and have greater improvement and iteration in material selection and process upgrading! At present, the company's products have received great attention and demand at home and abroad, with scarcity and uniqueness.

See more →
500 +

All kinds of relay more than 500 models, tens of thousands of specifications.

60 +

More than 60 years of industry experience

30 +

The company's products are exported to more than 30 countries and regions

OUR ADVANTAGES

Our Advantage


STRICT MILITARY INDUSTRIAL CERTIFICATION

Through strict military certification, we build a rich product lineup to provide solid support for numerous critical application scenarios.

RICH PRODUCT RANGE

A rich product range to meet the functional needs of industry clients for relays.

STRICT SELECTION CRITERIA

Strict product selection standards ensure control over every quality specification and performance parameter, resulting in a stable product qualification rate.

PROFESSIONAL PRODUCTION EQUIPMENT

Professional production equipment enables product flexibility, refinement, high efficiency, and military-grade quality.

GLOBAL SALES TERMINALS

Global sales terminals are densely packed with high-quality products from all directions, winning praise with superior quality.

NEWS

Journalism and Media

2026-01-02

The Connection Between Aerospace Relays and Reliability Engineering: Ensuring Safety and Performance

The Connection Between Aerospace Relays and Reliability Engineering Table of Contents 1. Introduction to Aerospace Relays 2. Importance of Reliability Engineering in Aerospace 3. Types of Relays Used in Aerospace Applications 4. Principles of Reliability Engineering 5. The Role of Relays in Ensuring Reliability 6. Testing and Validation of Aerospace Relays 7. Challenge

2026-01-01

Understanding Signal Relays: A Key Component in Electronic Circuits

Signal relays are critical components widely used in electronic circuits to control the flow of electrical signals. These devices are designed to open or close circuits when an electrical signal is applied to them, acting as switches that facilitate communication and control in various applications. Their ability to handle low-level signals while controlling larger circuits makes them invaluable i

2025-12-31

The Importance of Quality in Three Phase Relay Manufacturing: Ensuring Reliability and Performance

The Importance of Quality in Three Phase Relay Manufacturing Introduction to Three Phase Relays Three phase relays are vital components in electrical systems, tasked with controlling the flow of electricity in various applications. Their ability to manage power loads efficiently makes them indispensable in industrial settings, automation, and renewable energy systems. The reliability and performan

2025-12-30

Understanding Sealed Relays: Key Features and Applications

Sealed relays are specialized types of electromagnetic switches designed to operate in environments where exposure to dust, moisture, and other contaminants could compromise performance. The sealing mechanism typically employs a hermetically sealed enclosure, which protects the internal components from external elements. This attribute is particularly vital in applications requiring high reliabili

2025-12-29

The Impact of Miniature Relays on Energy Efficiency in Electronics

The Impact of Miniature Relays on Energy Efficiency in Electronics Table of Contents 1. Introduction to Miniature Relays 2. Understanding Energy Efficiency in Electronics 3. How Miniature Relays Function 4. The Link Between Miniature Relays and Energy Efficiency 4.1 Reducing Power Consumption 4.2 Enhancing System Reliability 5. Applications of Miniature Relays in Various Industries

2025-12-26

Understanding High Power Relays: Benefits and Applications

High power relays are specialized electromagnetic switches designed to control large amounts of electrical power. They are essential in applications where reliable switching of high voltage and high current is necessary. Understanding the importance and functionality of high power relays is vital for professionals in the electronics and electrical engineering sectors. A high power relay typically

2025-12-25

Five Key Applications of Electromagnetic Relays in Automation

Introduction to Electromagnetic Relays in Automation Electromagnetic relays are pivotal components in the realm of automation, acting as switches that control a variety of electrical devices through low-power signals. These devices hold significant importance in numerous applications, from industrial machinery to everyday household systems. Understanding their key applications can help engineers a

2025-12-24

Understanding DC Contactors: Essential Components for Reliable Power Control

DC contactors are electromagnetic switches used primarily for controlling power in direct current (DC) circuits. They act as intermediaries between a low-power control signal and a high-power load, enabling the safe operation of electrical devices. These components are essential in various applications, including industrial machinery, renewable energy systems, and electric vehicles. One of the key