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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NEWS
Stay updated with the latest developments, product launches, and industry insights.
Micro Switch Solder Joint Thermal Fatigue: Review the Installed Assembly
Micro switch solder joint thermal fatigue is an assembly reliability question: repeated temperature changes can load a soldered connection when joined parts expand differently. A switch's mechanical operating life does not establish the life of its installed solder joints. To evaluate the risk, identify the actual terminal and joint construction, describe the equipment's thermal history, and agree a test and inspection plan for the finished assembly. This guide helps OEM teams request useful evidence for a KW7 installation. It does not predict a failure cycle count, prescribe a thermal profile or claim that NASA research qualifies a Lemaele product. Keep terminal solderability, process damage and fatigue separate Solderability concerns whether the terminal surface can form a suitable joint under the approved process. Process damage concerns what happened while the joint was made, including inappropriate heating or mechanical loading. Thermal fatigue concerns accumulated damage associated with repeated temperature changes after assembly. These questions can interact, but they are not interchangeable. A successful wetting test does not demonstrate years of field service, and a field crack does not by itself identify the original manufacturing cause. Use the terminal solderability after storage guide for incoming surface evidence. Use the micro switch soldering precautions guide for process review. Here the separate focus is the connection after installation and repeated thermal exposure. Maintaining that distinction prevents a purchasing team from accepting a process certificate as proof of a service life requirement it never tested. What the available research supports Sandia's solder joint reliability publication identifies thermal mechanical fatigue as a mechanism associated with temperature cycling and differences in thermal expansion within the joint system. This supports examining the joined materials and their constraints together. It...
↗Foot Switch Cable Cold Bend Installation: Confirm Handling Limits
Foot switch cable cold bend installation requires a cable-specific handling specification. A pedal's operating temperature does not establish the temperature at which its cable can safely be uncoiled, bent or routed. Before installing a cold assembly, identify the actual cable, obtain its minimum installation temperature and bending instructions, and confirm that the planned route meets them. Do not force a stiff cable around an edge because the pedal body appears suitable for the room. This guide helps equipment buyers and installers prepare that decision without inventing a universal temperature, warming time or bend radius for the Lemaele LF series. Separate cold service from cold handling A stationary cable in an operating machine and a cable being pulled into a new route experience different mechanical conditions. The installer may uncoil it, move it around a corner, pull it through an opening and secure it near the pedal entry. Each action can introduce bending or tension. A low temperature statement must therefore be read with its stated test and use conditions. A number printed on a cable is not a complete installation procedure. For an LF assembly, start with the exact supplied configuration. The Lemaele LF series foot switch page describes the product family and mentions customizable wiring. It does not establish one cable compound, construction or minimum handling temperature for every order. Ask for the cable identification tied to the purchase order and assembly drawing. Do not identify the jacket material by its black color or by how flexible it feels indoors. Why stiffness in cold conditions deserves attention Temperature can change a polymer's response to stress. MIT's explanation of cold brittleness describes how restricted molecular movement can reduce ductility in...
↗Toggle Switch Operating Torque: Specify and Measure Lever Effort
Toggle switch operating torque describes the turning effort needed to move the lever through a specified transition. It is different from the tightening torque applied to the mounting nut. For a useful comparison, ask where force is applied, how the lever moves, which positions are crossed, and how the switch is mounted. A force reading without its measurement location cannot reliably describe actuator feel. This guide explains a practical specification and review process for OEM buyers evaluating a panel control. It does not assign an operating torque limit to a Lemaele model or replace its approved supply drawing. Define the transition before asking for a number An ON-OFF-ON control has more than one movement to evaluate. Moving from the left position to center may feel different from moving from center to right. Return movement can also differ. Record each transition separately instead of compressing every movement into one average. If the chosen version has a spring return, distinguish the force needed to engage it from the return behavior after release. Do not assume that every product in a family shares the same mechanism. Start with the exact ordering code, drawing revision and operating sequence. A sample marked only as a heavy duty toggle is not enough to identify the actuator configuration. The Lemaele LT3230C spade terminal toggle switch provides a concrete product reference for a DPDT ON-OFF-ON discussion. Its published page does not establish an operating torque acceptance range. Request that information for the supplied configuration before making it a purchase condition. Keep operating effort separate from mounting torque The nut secures the switch to the panel. Its tightening specification concerns the mounting arrangement, including the bushing, hardware and panel....
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