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+
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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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Micro Switch Ozone Exposure: Specify the Environment Before Approval
Micro switch ozone exposure requires an application-specific review of the atmosphere, exposed materials and operating duty before a component is approved. Neither a general enclosure rating nor a published ambient-temperature range establishes ozone compatibility. Identify where ozone can originate, characterize the conditions at the installed switch and ask the supplier which evidence applies to the exact variant. If the available product record does not establish resistance, keep that question open. This guide helps equipment builders prepare a clear exposure specification and evaluation request without assuming the KW7 family has been ozone-tested or treating air-quality guidance as a component qualification standard. Define the question at the component location Begin with the reason for the review. A new equipment design near an ozone-producing process needs a compatibility decision; a returned switch with a fault needs an investigation. These are related but different tasks. Record whether ozone is confirmed, suspected from the process or merely included in a broad environmental questionnaire. A named process is a useful lead, but it does not describe what reaches a component inside a particular enclosure. For the KW7 Series Micro Switch, confirm the ordered construction and installed location before asking for a resistant alternative. Include photographs or drawings showing the switch, enclosure, openings and nearby process equipment. Do not infer the composition of the housing, actuator components or internal contacts from the family image. Request material and environmental information for the exact variant within the supplier's available documentation. Understand why a general material warning is not a product verdict The US EPA discussion of ozone generators identifies potential damage to susceptible materials, including rubber and electrical wire coatings. That warning explains why an exposure question deserves attention....
↗Foot Switch Pedal Surface Slip Resistance: Evaluate the Shoe Interface
Foot switch pedal surface slip resistance must be assessed at the interface between the actual footwear and the pedal, under the conditions expected during the task. A ribbed surface, an enclosure rating or an oil-resistant shoe description does not establish that the operator's foot will remain securely positioned. Start by controlling contamination, then review the exact pedal, footwear, approach and release movement in a safely arranged evaluation. Keep this question separate from whether the whole foot switch slides across the floor. This guide helps equipment buyers specify useful evidence without transferring floor-test classifications or invented friction limits to an LF foot switch. Distinguish shoe slip from movement of the switch A report that “the pedal slipped” can describe two different events. The shoe may move across the pedal's upper surface, or the complete switch may move relative to the floor. Both can occur together, but they need separate observations and corrective actions. Ask the operator what moved first, where the foot was positioned and whether the event occurred during approach, depression, holding or release. Record the answer without attempting to recreate a hazardous incident on operating machinery. Use the foot switch mounting stability guide for base movement, rocking and cable pull. This article addresses the shoe-to-pedal interface. Keeping those records separate prevents a common misunderstanding: securing the base can improve its position while leaving the upper contact surface unsuitable for the actual shoe and contamination combination. Establish the exact pedal and footwear combination The LF Series Foot Switch includes different constructions. Confirm the model, upper-surface geometry, material and any supplied guard or accessory using the exact order information. A photograph of a yellow ribbed LF pedal identifies a visible configuration;...
↗Micro Switch Terminal Solderability After Storage: Review Wetting Evidence
Micro switch terminal solderability after storage should be reviewed against the exact terminal variant, its storage history and an agreed wetting test, rather than the date code alone. Confirm that the termination is intended for soldering, preserve representative parts before cleaning, and compare results under one controlled method. A switch can still actuate normally while its external termination needs further solderability evaluation. Conversely, an old date code does not by itself prove that the lot is unusable. This guide explains how an equipment buyer can request useful evidence and make a documented disposition without inventing a universal shelf life or applying another supplier's process limits. Separate solderability from soldering heat resistance Solderability asks whether a termination can be wetted under defined conditions. Heat resistance asks whether the component withstands the thermal exposure involved in a specified test or assembly process. These questions interact during production, but they are not interchangeable. Increasing heat until a reluctant joint finally forms does not establish that the original terminal met the intended wetting requirement, and it may introduce another failure mechanism. The public scope of IEC 60068-2-20 distinguishes solderability and resistance to soldering heat for devices with leads. Its existence does not establish that a particular KW7 variant has passed either test. Request the applicable specification and report for your ordered construction. Keep the detailed micro switch soldering precautions as a separate assembly review, especially when rework is being considered. Identify the terminal before choosing a test The KW7 Series Micro Switch family offers different configurations. A family photograph is useful for identifying a product category, but it does not establish terminal finish, solderability treatment, permitted immersion depth or an assembly profile. Send the...
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