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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MEDICAL FACILITIES
TEXTILE FIELD
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Customer recognition is our greatest motivation.
NEWS
Stay updated with the latest developments, product launches, and industry insights.
Illuminated Push Button Daylight Visibility: Verify the Installed View
Illuminated push button daylight visibility must be checked from the intended operating position under the bright ambient conditions the panel will actually encounter. An LED being energized does not establish that an operator can distinguish its state, read its function or avoid confusing a reflection with an illuminated indication. Define the viewing task, lighting direction, panel surroundings and exact button construction before accepting a sunlight-readable claim. For the LEMA PBS family, optional LED availability is documented, but the available family information does not establish daylight contrast, viewing-angle performance or a sunlight qualification for a particular model. Separate locating the button from reading its state A visibility review contains several tasks. The operator may need to find the correct control, read its marking, distinguish an illuminated state and understand what that state means. Passing one task does not prove the others. A yellow cap can remain easy to locate while its energized and unenergized appearances become hard to distinguish. Conversely, a conspicuous bright point may be visible while the adjacent legend is unreadable. Write the tasks in the same terms used by the equipment instructions. Is the indication showing power availability, a command, a selected mode or confirmed equipment feedback? The illuminated push button planning guide covers that wider logic question. Here, focus on whether the intended information remains visually distinguishable in daylight. Do not turn a lamp into a safety confirmation simply by making it brighter. Confirm the exact PBS construction The PBS push button family includes an optional LED designation, but a family description is not a complete optical specification. Identify the exact cap, lens, color, LED option, electrical supply requirement and marking arrangement for the proposed order. Ask...
↗Foot Switch Cable Torsion: Define Twist Before Qualification
Foot switch cable torsion qualification should describe how the cable twists about its own axis, over what free length, through which sequence, and under what acceptance conditions. It is different from proving that a pedal operates repeatedly or that a cable survives bending. Begin with the complete installed motion and the exact cable construction, then agree a representative test with the responsible supplier and equipment reviewer. The LEMA LF family offers a starting point for a foot-operated control inquiry, but its available family information does not establish a torsion rating, permitted twist angle or cable endurance for a particular assembly. Confirm that the movement is actually torsion A pedal can move across a floor, turn in place, travel with a station or remain fixed while the operator moves nearby. These events do not impose the same movement on its cable. Bending changes the cable path; torsion rotates one part of the cable relative to another about the cable axis. Pulling adds axial load. A real installation can combine all three. Describe each motion rather than using flexible cable as a complete specification. Watch for a repeated station rotation that is returned to neutral and a one-direction rotation that accumulates turns. Those sequences are different even if each individual movement looks small. Also identify whether the connector, support or pedal body rotates with the cable. A report on a free cable specimen does not automatically cover loads at a fixed entry or connector. Use an approved observation method that keeps people outside machine hazards. Establish the product and cable identity The LF series foot switch page describes a family and offers wiring customization. That is an invitation to define an assembly,...
↗Limit Switch Mounting Hole Elongation: Inspect Wear Before Repositioning
Limit switch mounting hole elongation is a loss or change of mounting-hole geometry that needs investigation before a switch is repositioned or tightened again. First establish whether the opening is an intentional slot, an original clearance hole, or a feature that has changed in service. Preserve the undisturbed mounting evidence, compare it with the approved drawing, and assess both the support and the switch. A new switch cannot restore a worn bracket. This guide explains how to organize that review without inventing a universal hole-wear allowance or treating a successful electrical click as proof of a sound installation. Identify which opening has changed A limit switch can be attached to an intermediate bracket that is itself fixed to the machine. The actuator may also contain an intentional adjustment slot. These openings have different functions. Begin with a context photograph that identifies the switch, bracket, machine structure and target. Then identify the particular hole under investigation. An elongated opening in a bracket is not automatically damage to the switch enclosure, and a visible slot in a lever is not evidence of worn mounting. The LZ1 limit switch family provides the product context for this inspection. Its published family information does not establish the permissible wear of a customer's mounting plate. Confirm the ordered variant, drawing revision and installation instructions before comparing dimensions. The illustrations show an intact reference product, not a damaged specimen or a repair instruction. Review the mounting position and repeatability guide separately for the relationship between the target and the installed actuator. Make the inspection safe before disturbing the joint Stop the equipment through its approved procedure, control hazardous energy and secure components that could move when the...
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