PROFESSIONAL MANUFACTURER OF MICRO SWITCHES

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

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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

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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.

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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.

Toggle Switch UV Weathering: Specify Evidence for Exposed Panel Parts

Toggle Switch UV Weathering: Specify Evidence for Exposed Panel Parts

Toggle switch UV weathering should be reviewed through evidence for the exact exposed parts, material formulation and installed assembly. A waterproof description or metal lever does not establish sunlight durability for the housing, seal, boot, markings or surrounding panel. Specify which surfaces receive light, what functional changes matter and how the evidence relates to the intended environment. Ask for documented exposure conditions and acceptance criteria rather than a generic “UV resistant” statement. Accelerated exposure can help compare defined constructions, but a chamber duration alone does not establish a guaranteed number of outdoor years for an assembled control. Define what is actually exposed to sunlight Start with the equipment drawing and normal operating position. A toggle on an open panel may expose its lever, nut and boot directly, while the body remains behind the panel. A transparent enclosure can change the light reaching the control, and a hinged cover changes exposure when it is open. Record the orientation and likely shading rather than assigning the same exposure to every component in the assembly. Describe use as well as storage. Equipment can spend long periods parked outdoors even if operation is brief. A replacement switch stored inside its packaging has a different exposure history from the same part installed in a demonstration panel near a window. Capture the relevant lifecycle stages, cleaning practices and expected inspection access. These observations define the evidence needed; they do not by themselves quantify a weathering dose. Identify the parts and avoid assumptions from appearance The LT3230C toggle switch provides a relevant starting point for an exposed-panel review. Its visible metal lever and mounting hardware differ from its black housing. The photograph identifies the reference product, but...

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Toggle Switch Salt Spray Corrosion: Read the Test Before Approving Supply

Toggle switch salt spray corrosion evidence should identify the exact assembly, exposed surfaces, test method and acceptance criteria. A statement such as “passed salt spray” is insufficient for an OEM release. Ask what was tested, how it was mounted, which parts were protected and whether electrical and mechanical operation were checked afterward. Laboratory exposure is evidence for the stated conditions; it does not automatically establish outdoor service life. For a panel switch, the exposed lever and mounting hardware can have a different environment from the body and terminals behind the panel. Review those zones separately before accepting a supplier report. Start with the actual exposure and decision A salt-related requirement may originate from coastal air, road-salt contamination, transport, maintenance or a customer specification. These situations are not interchangeable. A switch inside a closed cabinet during transport has a different exposure path from an operator control on an open vehicle panel. Record where salt may arrive, whether surfaces become wet, how the equipment dries and what cleaning is permitted. Describe the environment without assigning an unsupported salt concentration or exposure duration. Decide what the evidence must support. You may be comparing finishes, approving an exact component assembly or investigating returned equipment. A coating comparison is useful, but it cannot by itself release a complete switch for an installation. Link the investigation to the broader toggle switch selection guide, then keep the corrosion report focused on exposure and acceptance rather than repeating the general mechanism explanation. Separate the exposed panel face from the rear assembly Build an exposure map using the released drawing. Identify the lever, threaded bushing, nut, washer, panel edge, body seam, terminals and attached connectors. Mark which surfaces face...

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Limit Switch Paint Overspray Protection: Keep Motion and Identification Clear

Limit switch paint overspray protection starts with keeping coating material away from the moving actuator, its operating path, the enclosure entry and the identification needed for maintenance. An ingress rating does not establish resistance to paint deposits, solvents or a spray-booth atmosphere. Prefer process sequencing and a reviewed installation arrangement over improvised bags or tape on a working switch. This guide explains how to plan that review and record a return-to-service check. It does not approve an ordinary LEMA limit switch for an explosive atmosphere, certify a protective cover or prescribe a paint-removal chemical. Decide whether the switch needs to be present during painting Start with the production sequence. If the equipment design allows the bracket or enclosure to be painted before the switch is installed, that may avoid exposing the component in the first place. Review the mounting and grounding implications of the final coating and assembly with the responsible designer. Do not assume that painting around a fitted switch is unavoidable simply because it was done on an earlier machine. For an existing installation, document the component's function before planning maintenance. Determine whether it provides ordinary position feedback, participates in an interlock arrangement or has another equipment-specific role. Any temporary removal or disconnection belongs within the controlled isolation and maintenance process. Do not bypass an input to keep production running while the switch is covered or removed. A protection plan must account for the complete equipment state, not only the appearance of the switch. Map the overspray route and the motion envelope Identify where droplets, dust and cleaning residues can reach the component. Include indirect deposition from air movement and nearby work. Record the location of the roller...

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