LA39-B(Φ22mm)
Novel structure, aesthetic appearance and complete varieties, ideal for industrial automation, medical apparatus and instruments, power, machinery, communication, transportation, metallurgy, and chemical industry as control components with superior quality, performance and reliability.
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Rated Insulation Voltage
AC660V
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Rated Thermal Current
10A
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Electrical Endurance
≥60 times
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Rated Current
For quick-action type, AC-15 220V/2.5A, 380V/1.5A, 660V/0.8A DC-13 24V/3.6A, 48V/1.8A, 110V/0.8A, 220V/0.4A, 440V/0.2A for slow-action type, AC-15 220V/6A, 380V/4A, 660V/2A DC-13 24V/6A, 48V/3A, 110V/1A, 220V/0.5A, 440V/0.25A

Product Features
Plastic actuation head is economic and beautiful, especially suitable for the applications with higher requirements on double insulation or resistance to chemical corrosion. Mounting cut-outs: φ 22.5mm;
The customers can select the contact combination types as per their requirements with maximum six pairs of contacts. The leaf spring type actuation mechanism is adopted with the contact self-cleaning function and reliable contact;
Complete specifications, including momentary pushbuttons, maintained pushbuttons, illuminated pushbuttons, mushroom-head pushbuttons, knobs, key switches and E-stop pushbuttons etc.;
Five types of installation methods: installation with the inclined screws to prevent looseness, installation with the straight screws to save the installation space, simple installation with the nuts with/without fastening screws, fast and convenient installation by one hand;
The luminous body of the illuminated pushbutton applies pure super bright LED with the lightness above 100cd/m2;
The mechanical endurance of normal pushbuttons is above 3,000,000 times; the continuous illumination endurance of the illuminated pushpushbuttons is above 100,000 hours;
The symbol leaf or label frame can be provided according to the requirements of the operation instructions from the customers.
Technical Parameters
Main Parameters
Rated Insulation Voltage |
AC660V |
Power Frequency Withstand Voltage |
AC1890V 50Hz .5s |
Mechanical Endurance |
3,000,000 times for normal and mushroom-head pushbuttons, 300,000 times for knobs, 100,000 times for maintained pushbuttons, 50,000 times for key switches and E-stop pushbuttons |
Electrical Endurance |
≥ 600,000 times |
Ambient Temperature |
-25℃~55℃ |
Storage Temperature |
-30℃~70℃ |
Action Frequency |
1,200 times per hour |
Certificate |
CCC、CE、RoHS |
Compliance Standards |
IEC 60947 / GB 14048.5 |
Degree of Protection |
IP40 |
Altitude |
Not more than 2,000m |
Rated Thermal Current |
10A |
Industry Application
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Rail Transit
Enhancing urban traffic with smart solutions to deliver a high-quality travel experience
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New Energy
Promoting the utilization of renewable energy, assisting in the transformation to clean energy
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Logistics
Assisting in the intelligence of logistics management systems, improving transportation efficiency and traceability
Products & Services
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