KWSBS-16AC-R
AI

The **KWSBS-16AC-R** is an electronic component primarily classified as a **Rockered Base Standard Power Switch**. It is widely used in power distribution units (PDUs), industrial appliances, and consumer electronics to control the flow of AC power.
Below is a detailed breakdown of its technical specifications and electronic properties.
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### 1. Technical Specifications
The electrical rating is the most critical aspect of this part, determining the load it can safely handle.
| Feature | Specification |
| :--- | :--- |
| **Model Number** | KWSBS-16AC-R |
| **Current Rating** | 16A (Amperes) |
| **Voltage Rating** | 125V / 250V AC |
| **Switch Type** | Rocker Switch (SPST or DPST depending on sub-variant) |
| **Actuator Color** | Red (indicated by the "-R" suffix) |
| **Illumination** | Typically Neon or LED (Lighted when ON) |
| **Terminals** | Quick Connect / Solder Terminals (4.8mm or 6.3mm) |
---
### 2. Internal Electronic Components
The "R" in the part number often signifies a **Red Illuminated** actuator. Internally, the electronic structure consists of:
* **Contact Mechanism:** Silver-plated alloy contacts to prevent oxidation and handle high-inrush currents without welding.
* **Resistor:** A built-in limiting resistor is wired in series with the lamp to allow it to operate at 110V/220V AC without burning out.
* **Indicator Lamp:** A small Neon bulb (common for AC) or an LED that triggers when the circuit is closed.
* **Spring-Loaded Pivot:** A mechanical rocker assembly that ensures a "snap-action" to minimize electrical arcing.
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### 3. Pin Configuration
For the illuminated 4-pin version of this switch, the internal wiring usually follows this logic:
```text
Pin 1 & 2: Main Power Input (Line/Neutral)
Pin 3 & 4: Output to Load (Device)
```
*When the switch is toggled to the "ON" position, it bridges the gap between the input and output pins, simultaneously completing the internal circuit for the red indicator light.*
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### 4. Safety and Environmental Standards
To ensure reliability in industrial environments, the KWSBS-16AC-R usually adheres to the following:
* **UL/cUL Listed:** Certified for safety standards in North America.
* **RoHS Compliant:** Free from hazardous substances like lead and mercury.
* **High Dielectric Strength:** Capable of withstanding voltage spikes without breakdown between the contacts and the casing.
- ⤷
What is the difference between the 3-pin and 4-pin versions of this switch?
- ⤷ Can this switch be used for DC applications instead of AC?
- ⤷ What is the recommended cutout size for mounting this switch in a panel?