



A Switch Encoder is an electro-mechanical or solid-state component that translates the physical position or state of a rotary or linear switch into a digital signal. It is fundamental in devices requiring precise input control or menu navigation, such as industrial control panels, audio equipment, and robotics. By generating specific digital codes (e.g., binary or Gray code) for each position, it provides a reliable interface for a microcontroller to determine the switch's exact state, enabling accurate and responsive user input.
Switch Encoder is a frequency encoding device based on switch settings. It can select between different voltage levels through a manual selector to form a variety of encoding combinations. Its design is exquisite, and each switch position is independently configured, which is convenient for users to customize the encoding according to their needs and adapt to a variety of application scenarios.
In the fields of logistics, medical care, e-commerce, etc., Switch Encoder has shown extremely high application value. In logistics, it can mark and track goods; in the medical field, it helps laboratory equipment control; in e-commerce retail, it optimizes inventory management. Its reliability and durability are still maintained in harsh environments, thanks to high-quality materials and advanced processes.
At the same time, Switch Encoder is easy to install and maintain, which reduces the cost of use. With the development of Internet of Things technology, it has great application potential in emerging fields such as remote control, smart home, and smart city, bringing convenience to life and work.
In short, Switch Encoder, with its powerful, flexible and reliable characteristics, has shown broad application prospects in many fields and has become an important force in promoting the development of the Internet of Things.

A rotary code switch switches input signals from the common C-contact to the different output contacts. The code defines which output contact gets a signal at a certain actuator position. There are available as well some special codes. The rotary switch is a switch that controls the main contact point by rotating the handle. There are two types of rotating switches, namely, monopole unit structure and multi pole multi bit structure.
| Mechanical characteristics | |
| Total rotational angle | 360° |
| Click torque | 30-120gf.cm |
| Push-pull strength of shaft | Pull:8.0kgf push:8.0gf Min at 10 sec |
| Shaft wobble | 0.7XL/30mm P-P Max L-Shaft length |
| No. Of detents(click) | 20 detents step angle:18°±2° |
| Shaft play in axial direction | 0.4mm max |
| Shaft play in rotational wobble | 5° Max |
| Electrical characteristics | |
| rating | DC 5V, A,B lead 5mA Max, C lead 10mA Max |
| Output signal | A,B 2 signals |
| Resolution | 10 pulses/360° 20 pules/360° |
| Contact resistance between terminal | 1Ω Max |
| Phase difference | T1.T2.T3.T4≥0.08T |
| Sliding noise | T1,t3≤3mS t2≤2mS |
| Insulation resistance | 100MΩ Min at DC 250V |
| Dielectric strength | 1 minute at AC 300V |
| Endurance characteristics | |
| life | 30000±200 cycles |
| Storage temperature range | -40℃-85℃ |
| Operating temperature range | -30℃-80℃ |
| Soldering heat | Dipping in solder:260℃±5or less, within 3S Solder by hand:300℃±5° or less, within 3s |
Encoder Switch,360 °Rotation Hollow Shaft Encoder For Car Audio,Incremental Rotary Encoder,Coded RotarySwitch
11mm Metal Shaft Incremental Rotary Encoder EC11-01-03-X2B-HA1
Encoder is a sensor that outputs physical quantity information such as Angle, length and speed by digital quantity 0 and 1 encoding. Because of its high precision, large range measurement, fast response and digital output chara- cteristics; Small size, light weight, compact structure, easy installation, simple maintenance, reliable work and other excellent characteristics, so become today's industrial control system is favored and an indispensable part.
1. According to its measurement method, there are linear encoder and rotary encoder.
2. According to its output signal, there are incremental encoder and absolute encoder.
3. According to its internal reaction elements, there are photoelectric encoder, magnetic grid encoder.
4. It is divided into mechanical mechanism form, bearing encoder and bearing less encoder.
Industrial automation: CNC machine tools, robot control, etc.
Aerospace: flight control systems, navigation systems.
Automotive manufacturing: powertrain systems, intelligent driving assistance.
Electronic communications: communication equipment, smart home devices.
Medical equipment: surgical robots, medical testing equipment.
Others: instruments, logistics and warehousing systems, etc.
Q: What is a switch encoder?
A: A switch encoder converts rotary motion into digital signals, often used for menu navigation or parameter adjustment in devices.
Q: How does an optical encoder differ from mechanical?
A: Optical encoders use light interruption for contactless operation, while mechanical types rely on physical contacts, affecting longevity and precision.
Q: Why do encoders have detents?
A: Detents provide tactile feedback, ensuring precise control by locking into positions, improving user experience in applications like volume knobs.
Q: Can encoders replace buttons?
A: Yes! Encoders combine rotation and push-button functions, saving panel space and enabling intuitive multifunction control in modern interfaces.
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