PROFESSIONAL MANUFACTURER OF MICRO SWITCHES

Waterproof and dustproofdesign (IP67)
Compact size andcompact structure
Long lifespan andhigh reliability
VIEW MORE

100% Manufactory

Set up since 2012, our company own the factory, and experienced.

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.

VIEW MORE PRODUCTS

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

VIEW MORE
LEMA factory building

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.

VIEW MORE
TRACK TRAFFIC

TRACK TRAFFIC

HOME APPLIANCES

HOME APPLIANCES

MEDICAL FACILITIES

MEDICAL FACILITIES

TEXTILE FIELD

TEXTILE FIELD

Certificate Display

Customer recognition is our greatest motivation.

KW12F series CE certificate LEMA Electric CE certificate LZ1 CE certificate LEMA Electric CE certificate LEMA Electric CE certificate LEMA Electric CE certificate HL CE certificate LEMA Electric CE certificate KW10 series CE certificate

NEWS

Stay updated with the latest developments, product launches, and industry insights.

Micro Switch Magnetic Field Exposure: Separate Mechanical Contacts from Magnetic Sensors

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...

↗

Power Inlet Thermal Cycling: Define the Assembly Test Before Requesting a Rating

Power inlet thermal cycling evaluates an identified inlet assembly through repeated temperature changes under a defined test plan. It is different from checking a steady temperature rating, measuring temperature rise under load or counting plug insertions. Before requesting a thermal-cycle result, define the exact inlet, panel, mating connector, wiring, temperature conditions and required performance. A component catalogue range does not establish that an assembled product has passed your cycle profile. This guide helps equipment builders prepare an evidence request for a real power inlet without inventing cycle counts, temperature limits or an approval that the supplier has not declared. Decide what the test is intended to answer Begin with the design question. You may want to understand whether repeated storage-to-operation transitions affect fit, electrical connection or an installation detail. Alternatively, you may be investigating a field symptom that appears only after equipment warms or cools. Those objectives call for different observations and may involve different samples. Write the question before selecting a chamber profile or requesting a generic thermal test certificate. NASA's thermal cycling knowledge-base topic provides context for temperature-cycle testing as part of integration and verification. Its spacecraft context does not establish an industrial inlet requirement. Use it to understand the purpose and organization of a test, then derive your actual conditions from the equipment requirements and applicable assessment. A more extreme profile is not automatically more representative or more useful for your decision. Keep four different evidence types separate A declared ambient-temperature range describes a component condition within the supplier's stated scope. A loaded temperature-rise assessment concerns heating associated with current and the installed connection. A mating-cycle test concerns repeated mechanical connection and disconnection. A thermal-cycle assessment concerns...

↗

Push Button Bilingual Labels: Keep Commands Consistent Across Panel Languages

Push button bilingual labels should identify the same command in both languages, remain associated with the correct control, and stay consistent with drawings, instructions and maintenance records. Translation alone is insufficient. Before releasing a panel, agree on the function name, distinguish commands from status indications, and check the installed labels with representative operators. Do not assume that familiar button colors make unfamiliar wording understandable. This guide gives equipment builders and purchasing teams a practical method for managing two language versions without treating a label change as permission to alter the machine's electrical function or required safety arrangements. Start with a function list rather than translated artwork Create one record for each control and assign it a stable identifier. Record what pressing the button requests, when that action is available and what the operator must observe afterward. Keep that functional description separate from the short wording printed on the panel. A translator needs the longer description to distinguish a start command, a reset request, an acknowledgement and a mode selection. A spreadsheet containing only isolated words often hides those differences. For example, “reset” might refer to acknowledging a message, restoring a sequence or enabling another action. These are different meanings even if a dictionary offers the same translation. Have the equipment designer resolve the intended function first. The language reviewer should then choose wording that expresses that meaning within the available space. Do not ask the translator to infer machine behavior from a photograph of a colored cap. Choose a primary terminology record Maintain an approved terminology list containing the control identifier, source phrase, second-language phrase and a brief explanation. Name who owns the record and who can approve changes. Include...

↗