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.
Push Button Sticking After Panel Recoating: Inspect Fit Before Reuse
A push button sticking after panel recoating should be investigated as a change to the installed assembly, not immediately treated as a failed contact block. Keep the equipment out of service where the fault could create danger, then have competent personnel compare the button, panel opening, mounting stack and refinishing history with the approved arrangement. Do not force the button free, flood it with cleaner or enlarge the opening as an improvised repair. The objective is to identify what changed and restore a documented configuration before reuse. Separate physical sticking from the machine response Ask the observer to describe what the button actually does. Does the cap remain depressed, return slowly, rub at one edge or move normally while the machine continues running? Those are different complaints. Confirm the intended action of the ordered device as well: a maintained mechanism and a momentary mechanism should not be judged by the same return behavior. Then record the control response separately. A physically returned button does not prove that its contacts, wiring or control input have returned to the intended state. Conversely, a machine that remains in operation may be following its designed control logic rather than receiving a mechanically stuck command. This investigation begins with the post-recoating mechanical change and refers wider electrical questions to the competent equipment team. The PBS series push button page describes different switch types, colors and optional illumination, with some configurations using KW7 micro switches. That family information does not establish a common panel thickness range, coating allowance or cleaning solvent for every build. Identify the exact operator, mounting arrangement and attached switch before comparing it with another PBS assembly. Plan safe access before testing a...
↗Power Inlet Mounting Flange Cracks: Preserve Evidence and Review Panel Fit
A power inlet mounting flange crack calls for removal of the affected equipment from use and a competent assessment of the inlet, panel and connected power path. Do not glue the flange, tighten the screws to close the crack or assume that working electrical contacts make the assembly safe. Preserve the damaged part and its installation history before changing the evidence. This guide helps OEM and maintenance teams investigate the mounting interface, request useful supplier analysis and approve a replacement without claiming that every crack has the same cause. Confirm the component and the damage location Start with the exact inlet identity. A family catalogue can contain screw-mounted and snap-in constructions that look similar from the front but depend on different panel features. The IPZ series AC power socket page includes multiple configurations. The screw-ear form shown in the accompanying illustrations is a reference for this investigation; it does not establish that another IPZ variant uses the same flange, fixing arrangement or panel specification. Record whether the visible line is on a screw ear, the front rim, the recessed connector body or the surrounding panel. Photograph the complete assembly and close details before loosening fasteners, removing wiring or cleaning the surface. A suspected crack should be assessed by someone competent to distinguish damage from a molding feature. Uncertainty is a reason for further review, not permission to continue using a potentially damaged mains connection. Describe the discovery conditions precisely. Was it found during receiving inspection, after installation, after transport or after a cable was disconnected? “Cracked on arrival” and “noticed after unplugging” identify different evidence windows. Neither statement proves the mechanism. Preserve delivery records, assembly records and the operator's account...
↗Micro Switch Lever Pivot Play: Separate Normal Clearance from Wear
Micro switch lever pivot play inspection starts by locating which interface moves: the mounting, lever attachment, roller bearing or intended operating mechanism. Visible movement alone does not establish wear, and a sharp click does not establish acceptable operation. Compare the exact ordered assembly with its approved drawing and a documented baseline, using a safe, repeatable inspection method. If motion has changed, return is unreliable or damage is visible, refer the assembly for disposition before reuse. This guide helps maintenance and OEM purchasing teams collect useful evidence without inventing a universal permissible clearance. Define the movement before calling it pivot wear “Loose lever” can describe several different observations. The entire housing may shift on its bracket. The lever may move at its attachment while the housing stays still. The roller may move on its own support. The lever may also flex or travel through its designed operating range. These observations lead to different questions, so the first useful report identifies the moving interface and the viewing direction. Describe the symptom in relation to a fixed feature. For example, record that the lever attachment changes position relative to the housing while the bracket remains stationary. Do not convert that description into “failed pivot” before the construction and expected motion are confirmed. A video can help a supplier understand the observation, provided it is made under an approved safe inspection arrangement. The KW7 series product information documents several lever and terminal choices. It does not provide a universal field limit for lateral pivot clearance. The photographed roller-lever version is a product reference, not proof that every KW7 lever shares the same attachment or permissible movement. Obtain the ordered code and its drawing before...
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