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.
RoHS and REACH for Switches: Check Supplier Compliance Evidence
RoHS and REACH compliance for switches should be reviewed as two separate substance-management questions. A RoHS statement does not automatically answer every REACH question, and an electrical safety approval does not replace either review. For an OEM purchase, define the destination market, the equipment application, the exact switch configuration and the evidence date. Then ask the supplier for statements that identify their scope and supporting basis. A useful response explains which ordered parts are covered and which questions still require assessment by the equipment manufacturer or importer. The LEMA KW7 micro switch is the product example in this guide. The housing, metal terminals and actuator can help identify a sample, but appearance cannot reveal its material composition or establish regulatory compliance. Request current evidence for the exact order code. This article does not declare a particular KW7 configuration RoHS compliant, REACH compliant or free of any named substance without the relevant supplier documentation. Begin with the question the document must answer A buyer often receives a single green-compliance file during quotation. Before accepting it, write down what your organization needs to decide. Is the request about restricted substances in equipment, information on substances present in supplied articles, a customer declaration format, or all of these? Assign the review to someone who understands the applicable market and product scope. The European Commission's RoHS overview describes restrictions on hazardous substances in electrical and electronic equipment. Its scope and exemptions need to be considered for the actual application. A component supplier's response supports the equipment assessment; it should not be presented as a universal approval for every finished product into which the switch might be installed. Keep RoHS and REACH evidence separate The...
↗UL Listed vs UL Recognized Switches: Verify the Right Approval
UL Listed vs UL Recognized switches is a question about the scope of the approval, not simply which logo looks more reassuring. For an OEM buying a switch to build into equipment, confirm the exact component identity, the certification category, the covered electrical duty and any conditions attached to its use. A recognized component can be appropriate for an evaluated assembly, while a listing on another product does not approve every possible installation. Start with the evidence for the ordered variant, then have the equipment approval reviewed against the intended application. This guide addresses purchasing and engineering document review. The LEMA KW7 micro switch is the physical product example. Its catalogue mentions several approvals across the series; that statement is a reason to request the applicable records, rather than proof that every combination of terminals, lever, rating and operating force has identical coverage. No certification file number or unrestricted approval is inferred from the illustrations in this article. Separate the component decision from the equipment decision A switch supplier and an equipment manufacturer answer related but different questions. The supplier identifies what was manufactured and provides the documentation that applies to it. The equipment manufacturer checks whether that part fits the design, the environment and the applicable equipment evaluation. A purchasing release should connect those two decisions without treating one as a substitute for the other. UL Solutions explains component recognition as a program for parts and subassemblies used in larger certified products. Such parts have conditions of acceptability. In practical review, ask what those conditions require for the particular switch and how the equipment drawing satisfies them. Keep this evidence with the component record so a later engineer can...
↗Micro Switch Temperature Rise Test: Validate the Loaded Assembly
A micro switch temperature rise test evaluates heating in a defined loaded assembly relative to a defined ambient reference. It needs more than a warm-to-the-touch judgment or a single resistance reading. Establish the exact switch, terminal connection, conductor, enclosure, current duty and acceptance basis before testing. Record temperature over time until the method's stabilization requirement is met, then compare both temperature rise and absolute temperature with the applicable limits. This guide helps OEM buyers prepare a representative test request without inventing a universal temperature limit for every micro switch. Start with the decision the test must support State whether the work is a development comparison, investigation of a field complaint, supplier qualification or a formal compliance evaluation. These purposes can require different specimens, methods and reports. A quick bench comparison can identify a suspicious connection, but it cannot automatically replace a prescribed product or equipment test. Agree who owns the test specification and who will approve the result. Identify the full switch code and drawing revision. Add terminal type, mating connector, conductor material and size, connection process and any mounting hardware that influences the installation. A result obtained with one connection cannot simply be assigned to another arrangement. The heat source might be a contact path, a loose connector, a conductor or an external component near the switch. The KW7 series page is a starting point for an inquiry about a physical switch family. The KW7 selection guide organizes the wider component review. Request the exact supported variant data and any applicable test conditions from Lemaele. Do not turn a family-level current marking or operating ambient statement into an assumed temperature-rise limit. The complete application must remain within the relevant...
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