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.
Push Button Cap Color Batch Consistency: Agree How to Compare Deliveries
Push button cap color batch consistency requires an agreed physical reference, comparison conditions and acceptance method. Ordering another batch as “red” or approving a phone photograph leaves too much ambiguity for repeat deliveries. For the PBS series push button switch, identify the exact button shape, color option and illuminated or non-illuminated configuration before comparing appearance. Keep cosmetic color matching separate from the meaning of a control color and from indicator visibility. This guide does not establish a PBS color tolerance, a resin formulation or a guarantee that different deliveries will match a particular color standard. Start with the finished button configuration A color discussion should identify the actual visible part. A rectangular cap, a round stepped cap and a translucent illuminated insert may present different surfaces even when the order uses the same general color name. Record the complete product designation and the appearance being evaluated. Include the surround or bezel when it affects how the cap will be viewed in the final panel. The PBS family lists color options and some configurations with optional illumination. Those options are a starting point for an inquiry, not evidence of a particular numerical match. Ask which exact variant is available and how color is controlled for that supply. Do not assume that selecting an LED option establishes the same unlit appearance, material thickness or optical behavior as a non-illuminated button. Choose a reference that both parties can use Agree a retained physical master or another documented reference before production approval. Identify it by date and revision, and record who holds the corresponding reference. A familiar color code can help communication, but the parties still need to agree how it relates to the...
↗Power Inlet Terminal Plating Thickness: What a Test Report Must Identify
Power inlet terminal plating thickness evidence is useful only when the report identifies the tested part, coating system, measurement location, method and applicable acceptance requirement. A silver-colored terminal, a generic material declaration or a single unexplained thickness value cannot establish the finish of a delivered lot. For an OEM reviewing the IPZ series AC power socket, begin by confirming the exact inlet variant and requesting the available finish documentation. This article does not establish the IPZ terminal alloy, coating composition or thickness, and it does not prescribe a universal plating requirement for power inlets. Define the decision before requesting a thickness number Ask why the thickness evidence is needed. Incoming conformity, investigation of a surface change, process qualification and supplier comparison are different decisions. Each may require different sample selection and reporting. If an existing drawing already specifies the finish, reference its revision and relevant callout. If no requirement exists, obtaining a measurement does not by itself create a defensible pass-or-fail limit. Avoid requests such as “confirm good plating.” Instead, identify the required characteristic, the surface to which it applies and the document that controls acceptance. A soldering area and a mating interface may have different functional questions even when they belong to the same terminal. State whether the task concerns an external terminal surface, an internal interface or a supplied component before assembly. Do not assume these locations are interchangeable. Match the report to the exact supplied inlet Use the complete model designation, drawing revision, supplier lot and sample identity. Include photographs that show which terminal and which face were evaluated. The IPZ product family contains different visible arrangements, so a family-level photograph alone is inadequate for locating a...
↗Micro Switch Flux Residue Analysis: Separate Evidence from Cleaning Decisions
Micro switch flux residue analysis should begin with an undisturbed sample, the actual assembly materials and a clearly defined failure question. A visible deposit does not identify its chemistry, prove that it entered the switch, or establish that cleaning will restore reliable service. Separate the soldered joint, external insulation surfaces and internal contact mechanism before choosing laboratory work. For an OEM investigating a KW7 series micro switch, the useful outcome is a traceable explanation and a qualified corrective process, rather than a photograph labeled “flux damage.” No particular flux, solvent or cleaning process is approved for KW7 by this article. Decide what the investigation needs to explain Start with the observed problem: an open circuit, an unstable reading, leakage elsewhere in the assembly, an actuator that does not return, or a cosmetic deposit found during inspection. Record which observation prompted the investigation and which observations appeared only after handling. A switch removed from its original circuit may behave differently because the loading, mounting, wiring or measurement method changed. Preserve that distinction throughout the report. Write a narrow question before requesting analysis. “What is the deposit on the terminal shoulder?” is different from “What caused the machine input to disappear?” The first can produce a material identification without resolving the electrical fault. The second requires evidence from the complete signal path. Ask the investigator to explain how each proposed test contributes to the question, including what a negative finding would leave unresolved. Keep the assembly history with the sample Record the switch variant, lot identification, circuit position and assembly date. Add the solder wire identity, separately applied flux, rework products, cleaning materials and any later coating or lubricant. A trade name...
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