Waterproof and dustproofdesign (IP67)
Compact size andcompact structure
Long lifespan andhigh reliability
100% Manufactory
Set up since 2012, our company own the factory, and experienced.
PROFESSIONAL MANUFACTURER OF MICRO SWITCHES
Waterproof and dustproofdesign (IP67)
Compact size andcompact structure
Long lifespan andhigh reliability
Product Quality
Uiled have obtained relevant CCC, CQC, UL, VDE, CE, ENEC enterprise and relevant product certifications.
Sales Market
We have gained a global sales network reaching many countries over North America, South America, Europe, Africa and South East Asia.
After-Sales Service
A complete service network has been established to respond to user requests within 24 hours.
PRODUCTS
The core products include micro switches and travel limit Switch, push button switch, foot switch, toggle switch, AC power socket.
The core products include micro switches and travel limit Switch, push button switch, foot switch, toggle switch, AC power socket.
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ABOUT LEMA
Lema is committed to R&D, production and sales of industrial control electrical switches. The company's core products include micro switches and travel limit Switches, push button switches, foot switches, toggle switches, AC power socket.
After nearly 30 years of steady development, Lema has become a large-scale professional manufacturer of micro switches in China. The company currently covers an area of more than 11,000 square meters.
2000Years
Established in
40+
Exporting countries and regions
10000m2
Factory floor area
60+
Authentication certificate
APPLICATION
Committed to research and development, production, sales of industrial electrical switches and connectors
INDUSTRIAL
AUTOMATION
Industrial automation empowers smart manufacturing with reduced manual labor, higher precision, and greater efficiency.
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Customer recognition is our greatest motivation.
NEWS
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Woodworking Foot Switch Selection for Equipment OEMs
Woodworking Foot Switch Selection for Equipment OEMs Generated from the original LF-series dual-pedal product image. It is an illustrative product example, not a machine-specific safety approval. A woodworking foot switch lets an operator control equipment without moving a hand from the work area, but that convenience does not make the pedal a safeguard. Machine builders should first decide whether the pedal is a momentary command, a maintained on/off control or part of a multi-step sequence. Then match the contact duty, mounting, cable, floor conditions and dust exposure to the machine. A pedal that looks sturdy may still have the wrong electrical rating, return action or guard geometry. For a woodworking foot switch, validate the pedal and its controller as part of the machine design, and keep blade guarding, stop functions and lockout procedures separate. Define what the pedal is supposed to do Start with the machine sequence, not the switch catalogue. A foot pedal might request a temporary run command, enable a cycle while it is held, move a powered table, or select one of several machine functions. These actions require different control behavior. A momentary foot switch returns to its rest state when released. A maintained switch changes state and remains there until it is pressed again. A dual-pedal assembly may command two directions, separate actions or a sequence managed by the machine controller. Write down what should happen on press, release, power loss, cable failure and restoration of power. If releasing the pedal must stop motion, the controller and power switching path must be designed and validated to produce that behavior. Do not infer a “dead-man” or safety function from the pedal’s shape, color or return spring. RequirementTypical...
↗Hydraulic Cylinder Limit Switches: Position Feedback and Control
Hydraulic Cylinder Limit Switches: Position Feedback and Control Generated from the original WL-D11 product photo. The scene is illustrative and does not verify a hydraulic installation or safety function. A hydraulic limit switch can report that a cylinder, slide or attached mechanism has reached a defined position. It does not measure hydraulic pressure, hold the load or make a machine safe by itself. In a typical external arrangement, a cam, target or moving fixture actuates a mechanically mounted switch; its contacts then provide a signal to a properly designed control circuit. Selection starts with the motion and target geometry, then checks actuator travel, mounting tolerance, electrical load, environment and the controller’s response. Use the hydraulic equipment manufacturer’s instructions and the machine risk assessment to define where a limit switch belongs. Separate position sensing from hydraulic pressure sensing A mechanical limit switch responds to physical movement. It changes contact state when a lever, plunger or other actuator is moved past its operating point. A pressure switch or pressure transducer responds to fluid pressure. The two devices answer different questions: “Where is the moving part?” versus “What pressure is present?” A cylinder can reach a mechanical stop without producing a specific pressure, and pressure can rise while the cylinder is still moving or blocked by an external load. Use an external limit switch when the control sequence needs a discrete indication of extension, retraction or another defined position. Use a pressure-sensing device when the logic depends on pressure level. Some machines need both signals. A switch mounted near a cylinder must not be mistaken for a sensor that is in contact with hydraulic fluid or rated for line pressure. Define the machine...
↗Dental Foot Switch Selection: A Checklist for Equipment OEMs
Dental Foot Switch Selection: A Checklist for Equipment OEMs This generated product image is based on the original LEMA LF-series pedal. It shows a product example, not a verified dental-chair installation or medical certification. A dental foot switch should be selected from the function and interface outward. First identify what the pedal must control—chair movement, an instrument, coolant, or another function—then confirm whether the unit expects a pneumatic signal, an electrical contact, a proportional input, or a combination. The pedal’s shape alone cannot establish compatibility. For an OEM or replacement project, confirm the exact circuit, operating state, connector, cable, mounting, environmental needs and system-level safety evidence before approving a sample. LEMA’s LF Series page lists medical apparatus among possible applications, but it does not identify a specific dental-unit model or establish medical-device certification for every LF variant. Start with the function, not the pedal appearance “Dental foot switch” can refer to several different devices. A pedal may start a handpiece, vary its speed, move a chair, select wet or dry operation, or command another accessory. Some units combine several functions in one control. These actions can use different electrical or pneumatic interfaces even when the pedals look similar. Write down each requested output separately. Record whether the action is hold-to-run or latched, whether the signal varies with pedal travel, and what the equipment should do when the operator releases the pedal, the cable is disconnected, or control power is restored. Do not assume that a single-contact on/off pedal can replace a proportional speed control or a multi-function chair controller. Distinguish pneumatic, electrical and hybrid controls Dental units can use air pressure, electrical contacts or a combination of signals. The control...
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