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
Stay updated with the latest developments, product launches, and industry insights.
Micro Switch Lubricant Migration: Trace Nearby Grease Before Changing the Switch
Micro switch lubricant migration is a possible assembly contamination path when oil, grease or lubricant-bearing debris can travel from a nearby mechanism toward the switch. Investigate the source, route and affected function before changing the switch or adding a cleaner. A lubricated bearing beside a microswitch does not prove contamination, and an intermittent signal does not identify its cause. Preserve the original sample, document the actual mechanism and compare controlled conditions. The useful outcome is a correction supported by evidence from the installed assembly, with any supplier restrictions and validation requirements clearly recorded. Define the suspected source outside the switch Start with the mechanism drawing and the maintenance procedure. Identify lubricated bearings, guides, cams, hinges and other nearby parts, including items above or behind the switch. Record the lubricant's exact designation, application location, application method and change history. “General grease” is not a traceable identity. An assembly lubricant and a service lubricant may be different products, so obtain both records when the failure appears after maintenance rather than initial production. Keep external migration separate from intentional lubrication inside a manufactured component. The switch supplier controls the supplied construction; a field technician should not assume that a lubricant suitable for an adjacent bearing can also be applied to a microswitch. Do not open, spray or relubricate production switches as an exploratory fix. Ask the supplier what investigation and handling procedures preserve the sample and which exposure information is needed for a meaningful technical response. Map a route rather than relying on proximity Draw the possible connection between source and destination. Candidate routes include surface spreading along shared hardware, gravity-driven transfer, splashing from moving parts, transfer by tools or gloves, and transport...
↗Push Button Color Vision Deficiency: Make Panel Functions Clear Beyond Color
Push button color vision deficiency should be addressed by making each control understandable without requiring the operator to distinguish its cap color. Combine the applicable color convention with clear function identification, a consistent position and a tested operating task. A red, green or blue button can remain part of the design, but hue alone should not carry the whole instruction. For an OEM panel, the practical question is whether the intended user can select the correct control and understand its state under actual working conditions. Assess the complete panel before approving the button specification. Start with the action the operator must recognize Write the required action in ordinary language before selecting a cap. Examples include requesting one machine cycle, stopping the current operation, acknowledging a message or selecting a permitted mode. These actions are different from one another, even when the available buttons have similar dimensions. Describe the task at the point where a wrong selection could occur, including what the operator is looking at and whether several stations are visible. Then separate command identity from process feedback. A label can identify what pressing a button requests; it does not establish that the requested movement has finished. Likewise, a lamp may indicate that a circuit is energized without proving the equipment is ready. The panel specification should explain what each indication represents and where the operator obtains confirmation. This prevents a labeling improvement from being mistaken for a change in the control system itself. Understand the visual issue without diagnosing the user The National Eye Institute explanation of color vision deficiency describes differences in color perception, including several forms of difficulty distinguishing colors. It does not provide a product approval...
↗Power Inlet Mating Cycle Endurance: Review the Complete Connector Pair
Power inlet mating cycle endurance describes how a defined inlet and connector pair performs after repeated connection and disconnection under specified conditions. A cycle count alone cannot tell an equipment buyer whether that pair will remain acceptable in a particular machine. Ask which parts were tested, how a cycle was counted, whether current flowed, what movement and environment were used, and which checks followed the sequence. Keep repeated mating evidence separate from an inlet's contact rating, a single retention-force result or a general operating-life statement. For a service-accessible product, the mating pair includes the equipment inlet and the cord connector actually supplied or permitted. Changing either side can change the evidence needed for approval. This guide explains how to review an endurance claim and prepare a useful supplier request. It gives no universal mating-cycle rating for the LEMA IPZ family and does not authorize connecting or disconnecting energized equipment. Testing and servicing must follow the applicable equipment procedure. Identify the two sides of the connection Record the exact inlet variant, mating connector, relevant drawings and approval documentation. Include the connector manufacturer and part number when the equipment specification controls them. A broad description such as an IEC-style inlet is insufficient for comparing endurance reports. The IPZ series AC power socket page is the product reference for discussing the component family. Confirm the actual delivered construction and applicable data instead of extending every family-level statement to every installation. Also record how the inlet is retained in the equipment and how the user can grip the connector. Panel movement, access restrictions and cable routing can affect the way a person connects and disconnects the pair. These conditions do not automatically form part...
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