20A Key Knob Control Center Install Three Position Cam Switch

Founded in 1993, Zhejiang Yaming Electric Co., Ltd. (brand: YAMING) has accumulated rich experience in the electrical switch field over more than three decades. Leveraging its sophisticated craftsmanship and superior technology, the company has launched the YMW42 series rotary cam switches, among which the 20A Key Knob Control Center Install Three Position Cam Switch (YMW42-20YS) is a flagship product tailored for professional electrical control needs.

With advantages of small size, excellent insulation performance, flexible switching, and high safety and reliability, 20A Key Knob Control Center Install Three Position Cam Switch is widely applicable in various electrical control scenarios. As a trusted supplier from China, YAMING ensures the product's quality through sophisticated craftsmanship and strict production control in its factory. This switch is specifically designed for CNC machine tools and various electrical devices working under AC 50Hz and maximum 690V voltage conditions, providing efficient and reliable solutions for electrical circuit control.

Product Features

- Compact and Flexible Design: The switch features a small size, which enables flexible layout even in confined installation spaces, greatly improving the adaptability of equipment installation.

- Comprehensive Functional Coverage: It integrates multiple control functions, including control operations in electrical control circuits, lighting protection, signal and program selection, voltage and current measurement selection, and can also control small-capacity squirrel-cage asynchronous motors, fully meeting diverse control demands.

- Excellent Safety Performance: Adopting a compact structure and carefully selected high-quality materials, the switch achieves outstanding insulation performance, effectively safeguarding electrical safety. Meanwhile, the flexible and smooth switching operation further enhances its safety and reliability during use.

- Aesthetic and Versatile Compatibility: With a modern and unique appearance, the switch perfectly balances practicality and visual appeal, enabling high compatibility with different equipment designs and enhancing the overall aesthetic of the equipment.

Structural Features

The YAMING 20A cam switch boasts a scientific and reasonable structural design, laying a solid foundation for its stable performance. The positioning angles of the switch can be selected from 30°/45°/60°/90° according to actual needs, with a maximum of 12 operation positions and 1–12 switch layers, realizing diverse control mode settings. By utilizing various cam combinations, the switch can flexibly meet the on-off needs of contacts in different formats, adapting to complex electrical circuit requirements.

In terms of safety structure, the switch adopts hidden wiring to ensure contact safety and prevent potential safety hazards caused by exposed wires. The terminals are of anti-drop type, effectively avoiding poor contact or disconnection due to vibration during equipment operation. The contact material is high-quality silver alloy, which ensures excellent electrical conductivity and wear resistance, extending the service life of the switch. The shell is made of reinforced flame-retardant nylon 66 that reaches V-level flame retardancy, providing reliable flame-retardant protection and further improving the safety of the product in harsh working environments.

Product Application

Thanks to its comprehensive functions, excellent safety performance and flexible adaptability, the YAMING 20A Key Knob Control Center Install Three Position Cam Switch is widely used in CNC machine tools, which are core equipment in the manufacturing industry. In addition, it is also suitable for various electrical devices that require precise electrical control, such as industrial control cabinets, electrical testing equipment, and small-capacity motor control systems. As a professional manufacturer with its own factory, YAMING adheres to strict quality control standards, ensuring that each product delivered to customers meets the highest performance and safety requirements, and has become a trusted supplier in the electrical switch field in China and abroad.

Schematic Diagram

Technical Parameters

Product outline size installation size