1 / 7

Switches

Switches. A switch allows you to “make” or “break” the connection between two or more points in a circuit. Pole – the moving contact(s) Throw – the non-moving contact(s) Switches are identified by the number of poles and the number of throws. Switch Application. Switch Definitions.

solana
Download Presentation

Switches

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Switches • A switch allows you to “make” or “break” the connection between two or more points in a circuit. • Pole – the moving contact(s) • Throw – the non-moving contact(s) • Switches are identified by the number of poles and the number of throws

  2. Switch Application

  3. Switch Definitions One moving contact One non-moving contact Single-Pole Single throw SPST – Single-Pole, Single-Throw switch (On-Off Switch)

  4. Toggle Switch • Activate by pushing against a lever arm

  5. Push-Button Switches • Activate the switch by pushing a button • Two types of Push-Button Switches • Normally-closed (NC) • When the button is NOT pushed, the contact is closed • Normally-open (NO) • When the button is NOT pushed, the contact is open

  6. Normally-Closed (NC) Normally-Open (NO)

  7. Reference Material • Section 2.8, pp. 65-69 in your textbook.

More Related