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.
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Push Button Switch Current Rating: Match the Contact to the Load
A push button switch current rating applies to a defined electrical duty, not to every load drawing fewer amperes. Match the exact contact's voltage, AC or DC conditions, load type, making and breaking duty, operating frequency and installation conditions. A resistive rating does not automatically approve a motor, solenoid or electronic power supply. A high-current contact is also not necessarily the best choice for a low-level controller input. This guide explains how to collect and compare those requirements before purchasing a push button or approving a component substitution. The focus is contact-load compatibility for equipment controls. Mechanical operation, button colour and terminal count remain separate selection questions. The pictured LEMA PBS-001 button is a physical product reference; no current, voltage or protective-function rating is inferred from its appearance. Electrical measurements and circuit modifications belong to qualified personnel using an approved equipment procedure. Identify what the button actually switches Begin at the schematic. A button may connect directly to a load, operate a relay coil, signal a controller input or perform another defined function. Those arrangements can place very different demands on the contact. Record the electrical component immediately downstream of the button rather than assuming that the machine's motor power flows through the operator control. Trace the actual contact circuit independently of any lamp circuit. An illuminated button can have separate terminals and supply conditions for its indicator. A lamp specification does not describe the switching contact. Equally, the presence of several terminals does not establish a particular internal diagram. Use the drawing for the exact order code and confirm its contact arrangement. The industrial push button selection guide provides the broader mechanical and functional context. This article concentrates on...
↗IEC Inlet Temperature Ratings: Pin Limits, Ambient and Assembly Heat
An IEC inlet temperature rating is meaningful only when you know what temperature it describes. Maximum pin temperature, permitted ambient temperature and temperature rise are different quantities. A connector family associated with a higher pin temperature does not automatically approve an inlet for a hotter enclosure or a larger current. Identify the exact inlet, its mating connector and the applicable product documents, then review the thermal conditions of the complete equipment. This guide separates those checks so that buyers do not treat a housing photograph, a material description or a familiar connector name as thermal approval. The intended readers are equipment designers, purchasing teams and qualified maintenance personnel. Illustrations use a real LEMA IPZ snap-in inlet as a visual reference. They do not establish its connector classification, temperature limit or certification. Electrical and thermal testing must follow a procedure defined for the actual equipment; this article does not provide universal acceptance limits. Separate three temperatures before comparing products Pin temperature concerns a specified part of the connection. Ambient temperature concerns the surrounding air under defined conditions. Temperature rise is the measured increase above the reference ambient during a defined test. A document may discuss all three, but a number from one category should never replace a missing number in another. Record the measurement location and condition with every temperature value. Consider a hypothetical component described by a maximum pin temperature. That statement alone does not tell you its permitted local ambient, how much rise it develops at a particular current or whether nearby equipment can expose its plastic body to additional heat. Similarly, a housing material's laboratory property is not a rating for the assembled inlet. Ask for the finished...
↗10A vs 15A IEC Inlet: Compare Approval and the Complete Power Path
A 10A vs 15A IEC inlet comparison must start with the exact component approval, its voltage and its intended market. Two numbers on a catalogue page do not necessarily describe two physically different products, and a higher number does not automatically increase the permissible load of the complete equipment. Identify which rating applies to the purchased variant and the matching cord set. Then check the internal wiring, terminals, protective devices and equipment requirements. This guide explains that decision process without assigning a regional current rating or certification to an inlet based on its photograph. It is intended for equipment designers, purchasing teams and competent service personnel. The illustrated LEMA inlet provides a product reference for discussing mounting and identity; it is not an approval certificate. Any live measurements or equipment modifications require qualified personnel following an approved procedure. This article concerns detachable equipment power interfaces rather than replacing domestic wall outlets. Read the rating together with its approval context A useful rating record includes more than amperes. Record the manufacturer, exact order code, voltage, applicable approval scheme, temperature conditions, terminal version and any installation conditions. When a supplier lists both 10A and 15A, ask whether the values come from different certification evaluations or refer to different variants. Do not combine a current from one line with a voltage from another to create a rating that was never declared. The IEC 60320-1 catalogue entry identifies the standard family for appliance coupler general requirements. That entry establishes the subject of the standard, not the approval of a particular purchased inlet. The related standard sheets and the product's certification documents provide the details needed for a specific comparison. Keep the edition used in...
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