MS15-3B1 Standard type High sensitivity Micro Switch

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MS15-3B1 Standard type High sensitivity Micro Switch

Safety Certification Technical Data: This product is certified by UL, TUV, KC, and CQC.  

UL Certification Technical Parameters:  
16 (14) A 125/250 VAC T125 5E4  
10 (6) A 125/250 VAC T125 5E4
5(3)A 125/250VAC T125 5E4

16(14)A 125/250VAC T125 5E4
16(8)A 125/250VAC T125 5E4
10(6)A 125/250VAC T125 5E4
5(3)A 125/250VAC T125 5E4

TUV Certified Technical Specifications:
16(14)A 125/250VAC T125 5E4
16(8)A 125/250VAC T125 5E4
10(6)A 125/250VAC T125 5E4
5(3)A 125/250VAC T125 5E4

16(14)A 125/250VAC T125 5E4
10(6)A 125/250VAC T125 5E4
5(3)A 125/250VAC T125 5E4

16(8)A 125/250VAC T125 5E4

KC Certification Technical Parameters:
16(14)A 125/250VAC T125 5E4

CQC Certification Technical Parameters:
16(14)A 125/250VAC T125 1E4

Product Information

The MS15-3B1 Standard Type High Sensitivity Micro Switch is a compact, high-performance switching solution designed for precision and reliability in demanding applications. Featuring high sensitivity and fast response times, this micro switch ensures accurate control even under low-force conditions. Its durable design and stable electrical performance make it ideal for integration into a wide range of DC electric tools, where precise switching and long service life are essential. In DC electric tools such as power drills, screwdrivers, and portable grinders, the MS15-3B1 plays a critical role in detecting position changes, controlling operational sequences, and ensuring safety interlocks. Whether used to sense trigger activation or motor engagement, its consistent performance enhances tool efficiency and user experience. By incorporating this high-quality micro switch into your DC tool designs, you not only improve functionality but also increase overall system reliability—making it a smart choice for both professional-grade and consumer-level tools. Upgrade your product’s performance with the MS15-3B1, where precision meets durability.

About SHQIJIA

Shanghai Qijia Electronics Co., Ltd. was founded in 2004. After more than two decades of development and accumulation, it has grown into a high-tech enterprise integrating the design, R&D, manufacturing, sales, and service of high-quality appliance switches, establishing a professional and reliable brand image in the industry.

 

The company's core product line, "shqijia," covers a wide range of AC and DC appliance switches, including micro switches, rocker switches, pushbutton switches, trigger switches, and rotary switches, as well as AC and DC circuit board modules and controllers. These products are widely used in AC and DC power tools, electric garden tools, cleaning equipment, household appliances, medical equipment (oxygen concentrators), generators, electric strollers, water pumps, and other electronic and mechanical fields, providing customers in various industries with highly adaptable core component solutions.

 

In 2025, the company opened a new factory, which offers a comfortable environment and convenient transportation. With over 150 employees, over 20 assembly lines, more than 20 injection molding machines, and over 40 automated equipment, the company boasts an annual production capacity exceeding 80 million units and annual sales exceeding 100 million yuan, providing stable and efficient product supply support to customers worldwide.

 

In the areas of technological innovation and standardization, the company has achieved fruitful results, holding over 60 patents of various types, including over 10 invention patents. The company has participated in the formulation and revision of numerous national and industry standards for appliance switches, continuously promoting the development of technical standardization in the industry. Leveraging its outstanding comprehensive strength, the company has been awarded numerous honorary titles, including "Shanghai Harmonious Labor Relations Enterprise," "Shanghai High-tech Enterprise," and "Shanghai Specialized and Innovative Enterprise," demonstrating its significant contribution to regional economic and industry development.

 

To ensure product quality and international compliance, the company has established a state-of-the-art switch testing center (laboratory) that is accredited by the US UL WTDP Witnessed Laboratory and fully ISO 9001 Quality Management System. Its entire product line has successfully passed multiple international certifications, including UL and ETL in the US, TÜV, CE, SEMKO, and CB in Europe, KC in South Korea, and CQC in China, fully meeting the access requirements of diverse global markets.

  

In addition, the company possesses professional independent product and mold design capabilities, providing customized development services based on individual customer needs and precisely matching diverse application scenarios. In production, the company not only incorporates advanced manufacturing technologies and product processes, but also has a FFU cleanroom to ensure precise process implementation. In recent years, the company has implemented larger-scale automation, significantly improving production efficiency and product quality consistency, laying a solid foundation for the continuous delivery of high-quality products.

  

Qijia products have earned widespread recognition and trust from customers worldwide for their superior quality, advanced manufacturing processes, competitive pricing, and comprehensive after-sales service. Our core customer base includes large and medium-sized domestic and international complete machine manufacturers, globally renowned power tool and garden tool brands, and leading international home appliance manufacturers. We have been recognized numerous times by renowned international clients with honors such as "Excellent Supplier of the Year."

  

Adhering to the core principle of "Quality is the lifeblood of the enterprise, and wholehearted customer service," the company is committed to building a globally renowned high-end brand of appliance switches. Currently, we are continuously optimizing our R&D capabilities and production standards to precisely meet international market demands. We are also deepening collaboration with global partners to provide high-value solutions for diverse application scenarios. Going forward, Qijia will further expand its global presence, upholding the principles of integrity and innovation, and striving to build long-term, mutually beneficial partnerships with customers worldwide.

Shanghai Qijia Electronics Co., Ltd.

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