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Functionality:
- ON Position: When the rocker switch is in the "ON" position, the circuit is closed, allowing the electric current to flow through.
- OFF Position: When the switch is in the "OFF" position, the circuit is open, cutting off the flow of electric current.
Number of Pins:
A 4-pin rocker switch has four terminal pins for electrical connections. These pins are typically labeled as follows:
- Pin 1: Power input (connected to the power source).
- Pin 2: Power output (connected to the device or load).
- Pin 3: Ground or common (connected to the ground).
- Pin 4: Additional terminal, often used for illumination (if the switch has an indicator light).
Design:
- The switch is called a "rocker" switch because it has a rocker mechanism that rocks back and forth between the ON and OFF positions.
- The switch is usually mounted in a panel or device with a cutout that allows the rocker to move freely.
Applications:
- 4-pin rocker switches are commonly used in a variety of electronic and electrical devices, such as home appliances, automotive applications, power tools, and more.
- They are often used in situations where a simple ON-OFF control is needed.
Illumination:
Wiring:
Proper wiring is crucial for the switch to function correctly. The power source is connected to Pin 1, the load is connected to Pin 2, Pin 3 is grounded, and Pin 4 is optional for the indicator light.
Durability and Ratings:
The durability and electrical ratings of the switch depend on the specific model and manufacturer. It's essential to check the product specifications for details such as voltage and current ratings.
