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.
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...
↗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...
↗Push Button Legend Marking Durability: A Verification and Purchasing Checklist
Push button legend marking durability means that the control's identification remains readable, correctly associated with the button and usable after the expected handling and cleaning exposure. A label that looks sharp on delivery can still be unsuitable if it lifts, loses contrast or becomes ambiguous in service. Specify the actual marking construction, panel surface, cleaning method and inspection criteria before ordering. This guide proposes a verification workflow for equipment buyers and designers; it does not claim a particular marking lifetime, a standardized abrasion result or a marking option for every LEMA PBS variant. Separate meaning from durability The first question is what the legend communicates. The second is whether it continues to communicate that message after use. Approving the wording does not approve the adhesive, substrate or printing process. Likewise, an intact label may still identify the wrong function after a control change. Keep the content approval and the physical durability approval linked but separately visible in the project record. For symbol interpretation, use the push button symbol guide. For the present review, identify the exact label position, legend revision and intended association with the physical control. A decision about an electrical schematic symbol does not establish the suitability of an external panel marking. A replacement label must match the approved function as well as the required physical construction. Define where the identification is carried A marking may be on the button cap, a separate legend plate, the surrounding panel or another approved surface. These arrangements face different handling and replacement conditions. A cap may receive direct finger contact. A surrounding plate may receive repeated cleaning without direct actuation. A panel marking may remain in place when the button is...
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