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Push Button Switch

Push Button Switch

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Pushbutton is a main electric appliance used in the in the industry, civil buildings, energy, communication, infrastructure and other fields. Brand: SIEMENS APT. Series: LA39-A1, LA39-B2, LA39-C1, LA39-E, LA39-G, LA39-F, PB1S, PB1L, PB1J, LA39J, LA39-A3, LA39-B3.

Product Description

LA39-A1 series of push button have distinctive visual profile with elegant lines. The inclined screws are used for installation and fixation, which meets European and America strict, solid and reliable project design philosophy.

Rated Insulation voltage is AC 600V (50Hz).

Conventional thermal current is 10A. Mechanical Endurance: 3×10ˆ6 times.

Electrical Endurance: 6×10ˆ5 times.

Contacts resistance < 50mΩ.

IP54, CCC, CE, ROSH.


LA39-B2 series push button switches have clear visual arrangement. The high-strength PBT plastic parts are combined with the straight screws for fixation, which not only continues the stable and solid feature of A1 B1 C1, but also considers the manufacturing cost. It is the simplified type of A1 B1 C1 to provide the multiple economic options to the users.

Rated Insulation voltage is AC 600V (50Hz).

Conventional thermal current is 10A. Mechanical Endurance: 3×10ˆ6 times.

Electrical Endurance: 6×10ˆ5 times.

Contacts resistance < 50mΩ.

IP54, CCC, CE, ROSH.


LA39-C1 series push button switches have distinctive visual profile with elegant lines. The inclined screws are used for installation and fixation, which meets European and America strict, solid and reliable project design philosophy.

Rated Insulation voltage is AC 600V (50Hz).

Conventional thermal current is 10A.

Mechanical Endurance: 3×10ˆ6 times.

Electrical Endurance: 6×10ˆ5 times.

Contacts resistance < 50mΩ.

IP54, CCC, CE, ROSH.


LA39-E series of pushbuttons are featured as clever design, good visual appearance, and exquisite body, simple and easy installation as well as reliable contact. They are the best choice for the users requiring miniaturized and intensive control of the panel.

Rated Insulation voltage is AC 250V (50Hz).

Conventional thermal current is 5A.

Mechanical Endurance: 10×10ˆ5 times.

Electrical Endurance: 10×10ˆ5 times.

Contacts resistance < 50mΩ.

IP40, CCC, CE, ROSH.


LA39-G series push button switches are the latest products independently developed by us and have independent intellectual properties. This series of products have integrated the advantages of the like products and also made up the disadvantages of other products. It is delicate design, complete specifications, convenient installation, good visual appearance and reliable operation are the biggest advantages of this series of products.

Rated Insulation voltage is AC 250V (50Hz).

Conventional thermal current is 5A.

Mechanical Endurance: 10×10ˆ5 times.

Electrical Endurance: 10×10ˆ5 times (AC-15), 5×10ˆ5 times (DC-13).

Contacts resistance < 50mΩ.

IP65, CCC, CE, ROSH.


LA39-F series pushbutton switches have good visual appearance, clear and transparent LED light beams as well as unique and reliable internal structure, which can better satisfy the users’ requirements for miniaturized and intensive control of the panel.

Rated Insulation voltage is AC 250V (50Hz).

Conventional thermal current is 5A.

Mechanical Endurance: 20×10ˆ5 times.

Electrical Endurance: 10×10ˆ5 times (AC-15), 5×10ˆ5 times (DC-13).

Contacts resistance < 50mΩ.

IP40, CCC, CE, ROSH.


The PB1S push buttons are modular design that is more conducive to installation. 

Rated Insulation voltage is AC 600V (50Hz), illumination module is AC440V (50Hz) or DC250V. Conventional thermal current is 10A. Minimum load is DC24V 5mA.

Mechanical Endurance: Pushbutton, Illuminated pushbutton is 3×10ˆ6 times. Maintained pushbutton is 3×10ˆ5 times.

Electrical Endurance: 5×10ˆ5 times. 

Contacts resistance < 50mΩ.

IP65, CCC, CE, ROSH.


The PB1L push buttons are modular design that is more conducive to installation. Rated Insulation voltage is AC 600V (50Hz), illumination module is AC440V (50Hz) or DC250V. Conventional thermal current is 10A. Minimum load is DC24V 5mA.

Mechanical Endurance: Pushbutton, Illuminated pushbutton is 3×10ˆ6 times. Maintained pushbutton is 3×10ˆ5 times.

Electrical Endurance: 5×10ˆ5 times.

Contacts resistance < 50mΩ.

IP65, CCC, CE, ROSH.



Packaging & Delivery

Standard packing quantity: 10 PCS.

Delivery is 5 work days.