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.
Industrial Foot Switch Troubleshooting: Locate Intermittent Faults
Industrial foot switch troubleshooting starts by separating the pedal mechanism, contact circuit, cable and connector, controller input and machine logic. An intermittent command does not prove that the pedal is defective, and a continuity beep does not prove the complete interface works. Record when the fault occurs, isolate hazardous energy before inspection, and test one part of the signal path at a time using the equipment procedure. This guide focuses on ordinary contact-type industrial command pedals, not speed-control pedals, guitar effects or protective-function devices. Record the symptom before disturbing the evidence Ask what the operator sees: no response, delayed response, operation only at a certain pedal angle, repeated commands or a command that remains active after release. Record the machine state and whether the problem follows cable movement, temperature, a cleaning event or a recent repair. Include the approximate sequence, not merely the phrase "pedal broken". Keep the original part code, controller alarm and wiring revision with the report. Photograph the installed cable route and connector orientation before disconnecting anything. If several identical machines are present, identify the affected machine and pedal separately. A connector moved to another input during diagnosis can otherwise erase the evidence needed to interpret the fault. Distinguish the input signal from the resulting machine motion. The controller may receive the pedal command while another condition prevents movement. An alarm, guard state, process mode or sequence prerequisite can inhibit operation. Repeatedly pressing harder can hide that distinction and damage the pedal without addressing the actual cause. LF-01 yellow ribbed pedal and rear cable beside an inspection notebook on a teal mat. Product-reference illustration, not a dimensioned or wiring drawing. Establish a safe inspection boundary Follow the...
↗Toggle Switch Motor Control: When a Relay Is Needed
A toggle switch for motor control may operate the motor directly only when the exact switch is documented for that motor's voltage, current type, starting duty and switching conditions. Otherwise, a suitable relay, contactor or electronic motor controller can carry the power while the toggle supplies a command. Adding a relay does not automatically make the circuit suitable: its coil, contacts, protection and restart behavior still need review. This guide helps OEMs separate a maintained toggle command from the motor power path and prepare a complete design request. Identify what the toggle is actually switching Trace the circuit from the operator to the load. In a direct arrangement, motor current passes through the toggle contacts. In an indirect arrangement, the toggle may energize a relay coil or change an input on a motor controller. Those interfaces have different electrical demands, even when the same front-panel lever is used. Record the supply voltage, AC or DC, motor type and intended operation. Starting, stopping, jogging and reversing are different duties. Include the expected operating frequency and the motor manufacturer's starting information. Running current alone cannot describe the contact stress of starting a motor or interrupting an inductive circuit. Where the duty is unknown, obtain measured or manufacturer-supported data before selecting components. Do not interpret an AC resistive rating as a DC motor rating. Likewise, a headline current on a product photograph does not establish a utilization category or a permitted motor size. LEMA LT-series images identify a product family and visible construction. Approval for a particular motor circuit must come from the exact ordered variant's electrical documentation and the equipment design. LT-series metal lever, threaded bushing and three brass terminals on a...
↗Push Button Panel Cutout Size: Drawing and Fit Checks
An industrial push button panel cutout size comes from the approved mounting drawing for the exact operator, not from its cap diameter or a generic product-family name. Check the opening shape and tolerance, finished panel thickness, anti-rotation features, retaining hardware and rear clearance together before cutting a production panel. A button that enters the hole can still be poorly retained or impossible to wire. This guide explains how an OEM turns the drawing into a fabrication and sample-inspection record without transferring another manufacturer's dimensions to a LEMA PBS product. Separate the actuator, bezel, mounting body and hole A front-view photograph contains several circles, and only one may describe the mounting interface. The visible actuator is the surface an operator presses. The bezel surrounds it. A threaded body or mounting collar passes through the panel. The drawing specifies the opening that accepts that body, sometimes with a flat, keyway or secondary notch. Measuring the largest visible circle therefore does not identify the required hole. Keep those dimensions in separate fields. Label the front clearance envelope, mounting opening and rear envelope explicitly on your panel layout. The bezel can overlap the opening while the contact block extends sideways behind it. Adjacent operators may clear each other on the front yet interfere through their terminals, clips or cable bends. A complete mounting review follows the whole assembly through the panel. LEMA's PBS original includes front and side views with several different dimensions. Treat those views as product-reference information and request the current drawing for the ordered variant. This article intentionally gives no universal PBS hole diameter: a depicted head measurement, a body dimension and a manufacturing cutout are different quantities. Copying one number...
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