Single-open dual-control switch principle how to open a single control switch

There are many users consult Xiao Bian single open dual control switch how to pick . In fact, this is an occasionally encountered problem in daily life. Knowing how to open a dual control switch can help me in our life. Today, with a small series to see how to open single control switch , for your reference oh.

Single open dual control switch principle

The single-open double-control switch is actually two single-pole double-throw switch connected in series and then connected to the circuit. Each SPDT switch has three terminals with two contacts and one knife.

How to connect single switch

Connect the two contacts of the two single-pole double-throw switches, ie, the contact 1 of the switch 1 is connected with the contact 1 of the switch 2, the contact 2 of the switch 1 is connected with the contact 2 of the switch 2, and then the two switches The knife is used to connect the two ends of the lamp to both ends of the entire switch.

In this way, when the switches of the switches 1 and 2 are simultaneously connected to the respective contacts 1 or simultaneously to the contacts 2, the circuit is switched on and the lamps are lit. If one of the two switch blades strikes contact 1 and the other strikes contact 2, the circuit fails and the light goes off.

Therefore, both switches can control the lamp. The two switches can be placed at the upper and lower ends of the stairs or at both ends of the corridor so that the lights can be turned on before entering the hallway, and the lights can be turned off at the other end after passing through the corridor. This can both illuminate and prevent people from losing the lights. Electricity.

The relevant information about how to open the dual control switch is introduced here. I hope this article will be helpful to everyone. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible.

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