Shanghai Xipu Electrical Equipment Co., Ltd
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Installation of travel switch

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Travel switch installation precautions

1. The installation position should be accurate and the installation should be firm; the direction of the roller should not be reversed, the position where the block iron collides with the control circuit should meet the requirements of the control circuit, and ensure that it can reliably collide with the block iron.

2. Regular inspection and maintenance should be carried out during use to remove grease and dust, clean the contacts, and often check whether their movements are flexible and reliable, and troubleshoot in time. Prevent equipment and personal safety accidents caused by misoperation caused by poor contact of travel switch contacts or loose wiring.

3. Depending on where you use it, if the use environment is harsh, you should also pay attention to choosing a higher IP level. The travel switch can be subdivided into travel switches and micro switches. Like the electric power industry, the arc-extinguishing limit switch with magnetic blowing is generally used, which can withstand relatively large DC current.

4. If it is used to limit the position, connect the normally closed contact of the switch and the control circuit in series, if it is used to connect other circuits, then connect the normally open contact of the switch to the corresponding control line in series . In fact, the travel switch is the same as the ordinary button switch.

5. The live wire of the 20V power supply is connected to the common point of the travel switch, and it is connected to the normally open or normally closed point depending on your application, and then connected to the A1 point of the contactor; A2 point is connected to the neutral wire. Install the switch at the position that needs to be limited, adjust the contact distance, and then string the normally closed contacts of the switch into the control circuit, that is, the installation is complete.

What is the basis for the selection and use of the travel switch?

1. Select the protection form according to the installation environment, whether it is an open type or a protective type;

2. According to the voltage and current of the control loop, choose which type of travel switch to use;

3. Select the appropriate head structure according to the force transmission and displacement relationship between the machine and the travel switch. 

4. The position of the position switch should be accurate when installing, otherwise the purpose of position control and limit cannot be achieved;

5. The position switch should be checked regularly to avoid poor contact of the contacts and failure to achieve the purpose of stroke and limit control.


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Zhejiang SHUYI Electric Co., LTD, Focus on switches with 30 years.

An original factory of micro switch; foot switch; toggle switch; limit switch from China.

#microswitch #chinamicroswitch #footswitch #toggleswtich

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