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
Stay updated with the latest developments, product launches, and industry insights.
Limit Switch Welding Spatter: Shielding, Placement and Inspection
Limit switch welding spatter protection starts with controlling where hot particles can reach the installed switch and whether accumulated material can obstruct its motion. An ingress rating alone does not establish resistance to molten metal, repeated radiant heat or deposits around a roller and pivot. For equipment buyers, the practical requirement is a documented arrangement that preserves the intended actuation while allowing safe inspection and maintenance. Select the exact switch, placement and shielding together; then verify the assembly against the actual process rather than assuming that a robust housing makes every welding-cell location acceptable. Identify the exposure before choosing a shield Describe the welding process, workpiece positions, fixture movement and all operating modes. A switch outside the direct deposition path may still collect particles reflected from another surface. A maintenance position can create an exposure that is absent during automatic production. Include loading, unloading, setup and recovery operations in the review. The objective is to understand where deposits can arrive, not to establish a universal safe distance from a welding arc. Observe the process through an authorized assessment conducted with the machine's protective measures in place. Record the affected surfaces and deposit locations without approaching hazardous moving or energized equipment. The responsible team should distinguish solid spatter from grinding debris, dust, paint, liquid coolant and general dirt. These contaminants may require different controls, and a measure effective for one should not be treated as evidence for another. The LZ1 series limit switch provides a product reference for a roller-lever mechanism and an enclosed body. Its published enclosure information does not establish welding-spatter suitability, a cell-specific thermal limit or a safety function. Request evidence for the exact variant and proposed arrangement....
↗Micro Switch Vacuum Compatibility: Evidence Before Chamber Installation
Micro switch vacuum compatibility must be assessed for the complete installed assembly at its actual pressure, temperature and electrical duty. A normal ambient-temperature rating, an ingress rating or a successful atmospheric endurance test does not qualify a switch for a vacuum chamber. Before choosing a component, establish whether its materials, lubricant, electrical insulation and heat paths have supporting evidence under the intended conditions. For OEM buyers considering a conventional mechanical microswitch, the useful first step is an evidence request tied to a specific part and application, followed by a controlled engineering decision about placement and qualification. Define which side of the chamber contains the switch A microswitch outside the vacuum boundary and a microswitch inside the chamber present different purchasing problems. An external switch may detect a mechanism through a suitable mechanical arrangement while remaining at atmospheric pressure. An internal switch exposes its housing, actuator, terminals, attachment materials and nearby wiring to the chamber environment. Describe that boundary on the assembly drawing before comparing quotations. A phrase such as vacuum machine switch can otherwise mean either an ordinary external control or a specially evaluated internal component. Record the operating pressure range, pump-down sequence, venting method, temperature profile, required cycles and electrical circuit. Include the time spent at pressure and whether contacts change state during evacuation. Specify what the chamber protects: a general handling process, an optical surface, a deposition process or another contamination-sensitive operation. These details affect evidence requirements. Do not copy a spaceflight specification into an industrial machine simply because both applications use reduced pressure; select criteria that the responsible engineering team can justify. The KW7 series micro switch supplies a useful reference for mechanical packaging and available actuator...
↗Foot Switch Hygienic Cleaning: Specify a Compatible Maintenance Process
Foot switch hygienic cleaning requires a process compatible with the exact pedal assembly and the hygiene needs of the workplace. Start with the equipment and switch manufacturer's instructions, identify the permitted cleaning agent and application method, and define safe isolation and return-to-service checks. A pedal's appearance, foot operation or ingress rating does not establish disinfectant compatibility, sterilizability or suitability for a medical or food-contact application. If the required cleaning process cannot be supported by documented component evidence, resolve that gap before approving the installation. Do not improvise soaking, spraying or chemical exposure on an electrically connected assembly. Define whether the task is cleaning or disinfection Cleaning addresses soil and residue; disinfection has a separate microbial-control purpose and process requirements. The distinction affects the agent, application method, contact time and verification needed. A workshop pedal with dry dust and a device in a controlled healthcare workflow should not inherit the same procedure simply because both are operated by foot. The equipment owner should identify the actual contamination and required hygiene outcome. The CDC facility-cleaning guidance distinguishes routine cleaning from situations where disinfection is needed. It is general environmental guidance, not approval for a particular industrial foot switch. Use it to clarify the process objective, then confirm whether the exact pedal, cable and connector tolerate the proposed procedure. Avoid transferring household or healthcare cleaning recipes directly into an industrial component specification. Confirm the exact pedal and all exposed materials Record the model, drawing revision, housing construction, tread, seam, fasteners, cable entry and connector. A family can contain several pedal forms and cable arrangements. The LEMA LF series foot switch is a relevant supplier reference, but a family page does not qualify every...
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