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
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Foot Switch Electrostatic Discharge: Specify Assembly and System Evidence
Foot switch electrostatic discharge requirements must distinguish three questions: whether the pedal assembly can generate or retain charge, how any specified grounding or dissipation path is established, and whether the complete control system behaves acceptably during the required discharge tests. A metal enclosure, an ordinary protective-earth connection or an industrial product description does not answer all three. For an OEM buyer, the starting point is an application-specific requirement tied to the exact pedal, cable, connector and controller. Request evidence for that configuration before describing the foot switch as ESD-safe or suitable for an electrostatic protected area. Decide what the application needs to protect A pedal used beside exposed electronic assemblies raises different questions from a pedal controlling equipment that must remain stable during an external discharge. In the first case, the ESD program examines charge generation, nearby materials and interactions with sensitive items. In the second, the equipment evaluation examines system response to defined disturbances. Some installations need both assessments, but neither should be substituted for the other. Describe the work area, operator movement, flooring, footwear, sensitive products and control sequence. Identify whether the pedal is moved between stations, cleaned frequently or placed on different floor surfaces. Record where the cable and connector run relative to the work area. These practical details determine which assembly and operating state the evidence needs to represent. A laboratory result with another cable or surface may leave an important part of the application unassessed. The LF series foot switch is a reference for pedal construction and configurable wiring. Its general product description does not establish an ESD material classification, a dissipative path or immunity of a finished machine. Ask about the exact quoted assembly...
↗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...
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