Relays & Limit Switches: Quality Assurance and Technological Innovation

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Yueqing Huilong Industrial Control Electrical Appliances Co., Ltd.
Yueqing Huilong Industrial Control Electrical Appliances Co., Ltd.
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Customization and Global Competitiveness of Relays

Customization and Global Competitiveness of Relays

Leveraging professional R&D capabilities, the company provides customized relay solutions for unique needs, such as high-temperature resistance or specialized signal conversion. Its customer-centric approach ensures products align with specific industry demands, from tailor-made relay specifications to environmental adaptations. With international certifications and a commitment to global standards, the company’s relays are trusted by clients worldwide, supporting exports to multiple countries. Whether for small-scale systems or large industrial projects, its relays offer scalable, reliable solutions that drive operational efficiency and safety.
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Advantages

Diverse Types and Wide Application Scenarios

The company provides a diverse portfolio of relays, encompassing time relays, solid-state relays, intermediate relays, RXM relays, RM control relays, liquid level relays, and phase sequence relays. This variety enables their application in various electrical control systems, including industrial automation, power control, and liquid level control systems. Whether for signal amplification, circuit protection, or state detection, appropriate relay types are available to fulfill different customer requirements.

Advanced Technology and Long Service Life

Solid-state relays adopt semiconductor devices for contactless control, featuring fast switching speed, long service life, and strong anti-interference ability. Compared with traditional mechanical relays, they have no mechanical wear, reduce maintenance costs, and are suitable for high-frequency operation scenarios. Other relays like intermediate relays also use advanced design concepts to ensure stable performance and prolonged service life, providing reliable long-term use for users.

Precise Control and Signal Conversion Capability

Intermediate relays play a key role in control circuits by amplifying signals, increasing the number of contacts, and realizing signal conversion, enabling precise control of other electrical equipment. Phase sequence relays can accurately detect the phase sequence of three-phase power supplies and promptly issue signals or cut off circuits when phase sequence errors or phase loss occur, effectively protecting equipment safety. These functions make relays critical components for ensuring the accuracy and stability of electrical systems.

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The RXM4LB2P7 relay has been designed for low profile mounting to suit the RXM series which is optimized for applications where space is restricted. It has a 12V DC coil and 4 SPDT contacts (8A/250V AC) with a width of 17.5mm which allows for surface mounting. The relay has a built in diode for coil flyback protection and meets EN 61000-6-2/6-3 for electromagnetic immunity. The contacts are silver-nickel and ensure stable switching for resistive and inductive loads which makes it ideal for medical devices, vending machines and IoT control panels. The contact status can be visually inspected which makes maintenance better.

Frequently Asked Questions

What quality certifications do the company's relays have?

The company's relays have passed ISO-9001 quality system certification and International Electrotechnical Commission IECO certification. These certifications demonstrate that the relays meet rigorous international quality standards, backed by strict quality control processes, continuous improvement of the quality management system, and the use of advanced international production and testing equipment.
The company produces various relays, including time relays, solid-state relays, intermediate relays, RXM relays, RM control relays, liquid level relays, and phase sequence relays. These are applied in diverse electrical control systems such as industrial automation, power control, and liquid level control systems, catering to needs like signal amplification, circuit protection, and state detection across different industries.
Intermediate relays amplify signals, increase contact numbers, and convert signals in control circuits, enabling precise control of other electrical equipment. Phase sequence relays accurately detect the phase sequence of three-phase power supplies and trigger signals or cut off circuits immediately when phase sequence errors or phase loss occur, effectively protecting equipment safety and ensuring the accuracy and stability of electrical systems.
Yes, the company has professional R&D capabilities and a customer-centric approach, capable of developing relays tailored to specific industry needs. Whether for special environmental requirements (e.g., high temperature, high humidity) or customized functional designs, the R&D team can provide targeted solutions, ensuring products meet both standard specifications and unique application scenarios to enhance competitiveness.
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Customer Reviews

John Smith
Exceptional Quality and Reliable Certifications

I’ve been using the company’s relays for my industrial automation projects, and the ISO-9001 and IECO certifications give me full confidence in their quality. The strict quality control is evident in every relay—they’ve never failed in high-load applications. The solid-state relays, in particular, stand out with their fast switching and zero mechanical wear, reducing our maintenance costs significantly. Highly recommended for anyone prioritizing reliability.

Michael Chen
Long-Lasting Performance and Advanced Technology

The solid-state relays we purchased have been operating non-stop for over two years without any issues. Their contactless design and anti-interference capability are truly impressive, even in noisy industrial environments. The intermediate relays also deserve praise—their signal conversion accuracy has improved the precision of our machinery. For anyone seeking durable, technologically advanced relays, this company is a top choice.

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Professional R&D and Customization Services

Professional R&D and Customization Services

With continuous innovation and professional R&D capabilities, the company can develop relays tailored to specific industry needs. Whether for special environmental requirements (e.g., high temperature, high humidity) or customized functional designs, the team can provide targeted solutions. This customer-centric approach ensures that the relays not only meet standard specifications but also adapt to unique application scenarios, enhancing customer satisfaction and product competitiveness.
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Yueqing Huilong provides advanced industrial control appliances and relays for global markets. Our ISO-9001 certified products ensure quality and reliability. Contact us today!

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No. 3789 Liujiang Road, Liushi Town,Yueqing City, Wenzhou City, Zhejiang Province, 325604

+86-18155034103

[email protected]

Time: 9.00 am-4.00 pm

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