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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Push Button Tactile Identification: Review Shape, Landmarks and Operator Tasks
Push button tactile identification means helping an operator distinguish a control by touch through suitable shape, location or surrounding landmarks. It is different from the click felt after a switch operates. A clear tactile arrangement must be assessed in the complete task, including nearby controls, gloves, reach and the consequences of a wrong selection. Do not assume that a colored cap, a positive click or an added marker makes a panel accessible or safe. This guide explains how equipment teams can review identification before actuation while keeping electrical function, safety requirements and product capabilities separately verified. Distinguish identification from switching feedback Identification answers “which control am I touching?” Feedback answers “did the control respond?” A button can provide a noticeable operating sensation while remaining difficult to distinguish from the identical button beside it. Assess those questions separately. If identification requires pressing first, the user may already have issued the wrong command before obtaining useful feedback. The PBS Series Push Button Switch provides the real product reference for this discussion. Its page shows button configurations and color options, but that does not establish tactile coding, Braille, accessibility approval or a particular custom cap service. Ask the supplier what exact configurations are available. Do not describe an optional feature as available merely because it would be useful to the proposed design. Write down the function of each control and the consequence of selecting a neighboring one. Start with the task and panel arrangement before choosing a tactile feature. An identification method that works for an isolated button might become ambiguous in a dense control group. Keep the intended operator population and operating conditions in view throughout the review. Review location, shape and...
↗Power Inlet Polymer Hydrolysis: Ask for Material Evidence Before Damp-Service Approval
Power inlet polymer hydrolysis is a material-specific question: water can participate in chemical degradation of susceptible polymers, but a black plastic housing does not reveal its composition or resistance. Before approving an inlet for a warm, damp application, obtain the exact material and construction information, define the exposure and request evidence relevant to the assembled part. Moisture absorption, surface condensation and chemical degradation are different questions. This guide helps buyers organize a useful review without assuming that an IPZ inlet uses a particular resin or has a hydrolysis qualification that the published information does not establish. Establish what material information is actually available Begin with the exact inlet variant and drawing revision. The IPZ Series AC Power Socket is the product reference for this discussion. Its family page identifies electrical and general operating characteristics, but those entries should not be treated as a complete resin specification or damp-service qualification. Record the selected construction, mounting arrangement, terminals and mating component in the inquiry. Ask the supplier what housing material information can be provided for that variant. A useful response identifies the relevant material specification and the scope of any available declaration or report. Different parts of an assembly may use different materials. Do not let a statement about the outer housing silently become a statement about every internal insulating component, accessory or connected cable. Appearance cannot resolve that gap. Color, gloss and apparent stiffness are not a reliable basis for assigning a polymer grade. A generic material abbreviation may also leave important formulation and processing questions unanswered. Keep the known facts separate from the information still being requested. If the exact composition is confidential, ask what applicable performance evidence or controlled...
↗Micro Switch Magnetic Field Exposure: Separate Mechanical Contacts from Magnetic Sensors
Micro switch magnetic field exposure should be reviewed using the exact switch construction, field conditions and required switching behavior. A mechanically operated snap-action switch is not automatically a reed switch or Hall sensor, but that distinction does not establish immunity to an external magnetic field. For equipment near magnets, obtain applicable supplier evidence and assess the complete assembly. Do not infer a safe field limit from the current rating, housing material or a photograph. This guide explains how an OEM buyer can turn a vague “magnet resistant” request into a traceable component review without assuming an unverified product qualification. Identify the switching mechanism first The KW7 Series Micro Switch provides a real mechanical product reference: the website shows plunger and lever configurations with electrical terminals. Those visible features help identify the component family, but they do not disclose every internal material. Ask for the exact ordering code, actuator configuration, terminal arrangement and relevant construction information. Keep the purchased configuration attached to the inquiry rather than sending a generic picture of a similar switch. A reed switch is intended to respond to a magnetic field. A Hall sensor uses a different sensing principle and associated circuitry. A mechanically actuated microswitch changes contact state through physical actuator movement. Confusing those categories can send a purchasing team toward an irrelevant sensitivity specification. Conversely, calling a component mechanical does not prove that all its parts are nonmagnetic or that every operating characteristic remains unchanged near a magnet. Start the specification with the required machine function. Is the switch detecting a door position, confirming a mechanism endpoint or reporting a manual action? Record which contact state is required at each mechanical position. This makes the...
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