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
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Foot Switch Operator Handover: Define Stop, Transfer and Restart Checks
Foot switch operator handover needs a defined transfer of machine status and control responsibility, followed by the equipment's approved restart checks. Releasing a pedal or seeing a stationary machine does not establish that a new operator can safely take over. Before the handover, identify the operating mode, outstanding commands, work area condition and any isolation or maintenance status. The incoming operator must know who controls the machine and which deliberate action may start it. The exact sequence belongs to the machine risk assessment and operating instructions, not to the pedal contact type alone. This guide helps equipment builders and buyers prepare that sequence and its acceptance evidence. It does not provide a universal restart circuit or declare an LF foot switch suitable as a safety device. Normal production handover and transfer of an isolated maintenance task are different activities. If a change of operator also involves cleaning, clearing a jam, entering a danger zone or other servicing, apply the machine's appropriate energy-control procedure before the work begins. Identify what is being transferred A useful handover records the machine identity, current mode, workpiece condition, active cycle status and the person accepting control. Include temporary conditions such as a tool change, a partly processed part or a fault that has been acknowledged but not resolved. An operator leaving the station may know those details without realizing that the next person cannot infer them. Transfer the facts explicitly rather than relying on the pedal position or a general statement that everything is ready. Define the boundary of the handover. Changing operators during ordinary production, transferring a maintenance isolation and returning a serviced machine to production require different authorizations and checks. The HSE safe-isolation...
↗Toggle Switch Tamper-Evident Seal: Plan Inspection and Authorized Access
A toggle switch tamper-evident seal is an inspection aid intended to reveal a defined disturbance, such as opening a control cover or changing a protected setting. It does not automatically prevent operation, lock out energy, or prove that a setting remained unchanged. Start by defining the access event, the surfaces a seal would join, the inspection method and the authorized replacement process. Then verify that the arrangement leaves the switch functional wherever operation is required. A seal placed across a moving lever can create a new problem instead of a useful record. For equipment buyers, the central question is what evidence an intact seal can support. A sticker on a convenient flat surface may look reassuring while leaving the relevant access path completely open. Conversely, a poorly positioned seal may tear during normal cleaning or panel movement. A useful specification links the component, panel construction, inspection task and service procedure. This guide addresses that specification; it does not assign a security approval or a built-in sealing provision to a LEMA switch. Define the event before choosing the seal Write one sentence describing the event to be detected. Examples include opening a separate settings enclosure, removing a panel that provides access to terminals, or lifting a cover over an infrequently adjusted control. These events need different arrangements. A seal across an enclosure seam may indicate that the seam was disturbed, but it does not necessarily indicate whether an exposed toggle was operated. Review every accessible path to the protected function before treating a sealed seam as meaningful evidence. Separate an inspection objective from a prevention objective. If the equipment requires restricted operation, the engineering team must define appropriate access controls. If...
↗Foot Switch Cable Flex Life: Define and Validate the Moving Assembly
Foot switch cable flex life is the endurance of the cable assembly under a defined repeated movement, not the mechanical operating life of the pedal switch. Specify the cable construction, bend geometry, movement, restraint, environment and electrical failure criteria before comparing cycle counts. A static bend-radius statement or a pull test does not establish endurance under repeated bending. For an OEM purchase, the useful evidence is a traceable test of the intended cable and termination arrangement under conditions that reasonably represent the equipment's actual movement. The LEMA LF foot switch family is the product reference for this guide. Its page describes customizable wiring, but does not publish a universal dynamic cable-life rating. No endurance figure, cable construction or bend-radius limit is assigned here. Request the exact supplied assembly drawing and relevant evidence before approving a moving-cable application. Identify what actually moves during use A stationary pedal can still have a moving cable. Operators may reposition the pedal between tasks, a chair may disturb the cable, or a movable workstation may repeatedly change the route. Conversely, pressing the tread does not necessarily flex the external cable through a large angle. Observe the real task before choosing a laboratory movement that merely looks representative. Map the fixed and moving points, including the pedal entry, intermediate support, connector and equipment exit. Record where bending concentrates, whether the cable twists, and whether any section experiences tension or abrasion. Keep occasional handling separate from continuous motion. The foot switch selection guide covers the wider control requirements; this review concentrates on the cable assembly's repeated mechanical exposure. Separate cable endurance from switch cycle life A pedal mechanism's operating-life statement relates to specified component conditions. It does...
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