PBS-11B Momentary Push Button Switch – 2 Pins – 12 mm – 3 A / 150 V

PBS-11B Momentary Push Button Switch – 2 Pins – 12 mm – 3 A / 150 V

The PBS-11B is a momentary push button switch designed to temporarily control an electrical circuit. The contact closes when the button is pressed and opens when it is released. Its non-latching mechanism automatically returns the button to its initial position after each press.

Its compact design, two connection pins, and panel mounting in a 12 mm hole make it easy to integrate into electronic enclosures, control panels, and prototype projects.

Technical Specifications

Electrical ratings may vary between commercially available versions. The 3 A / 150 V specifications listed here match the product reference you provided and should be confirmed against the markings on the component or the supplier’s datasheet, particularly regarding AC or DC operation.

Applications

• Electronics and prototyping: add manual controls to experimental circuits.

• Microcontroller projects: provide a user input for Arduino, ESP32, or Raspberry Pi projects, using wiring appropriate for the board.

• Control panels: integrate a momentary control into an enclosure or operating panel.

• Technical education: demonstrate normally open contacts and momentary switch operation.

• Electronic maintenance: replace an existing momentary button with matching electrical and mechanical specifications.

Project Examples

1. Low-voltage doorbell: activate a buzzer only while the button is pressed.

2. Event or score counter: send an input signal to a microcontroller with each press.

3. Momentary LED control: illuminate an LED while pressing the button, using a suitable power supply and resistor.

4. Sequence start button: trigger a timer or a programmed animation on a development board.

5. Educational circuit: demonstrate how pressing and releasing a button closes and opens an electrical circuit.

These projects use the switch’s momentary contact operation. Keeping an action active after releasing the button requires an appropriate control circuit or program.