The **SES-26B-R** is a specific electronic component, typically classified as a **Power Entry Module (PEM)** or an **EMI/RFI Filter** with an integrated power switch and fuse holder. These are commonly used in industrial machinery, medical devices, and high-end audio equipment to ensure clean power delivery and safety. --- ## 1. Core Technical Specifications Below are the typical electronic parameters for this type of component: | Feature | Specification | | :--- | :--- | | **Rated Voltage** | 115 / 250 VAC | | **Rated Current** | 6A - 10A (Model dependent) | | **Operating Frequency** | 50/60 Hz | | **Termination Type** | Fast-on tabs (Solder/Quick connect) | | **Mounting Type** | Panel Mount (Screw-in) | | **Leakage Current** | < 0.5 mA @ 250V | --- ## 2. Key Electronic Components The SES-26B-R is not a single part but an assembly of several electronic sub-parts: ### A. EMI/RFI Filter (The "Heart") Inside the metal casing is a low-pass filter circuit consisting of: * **X-Capacitors:** Connected across the line to suppress differential mode noise. * **Y-Capacitors:** Connected from line/neutral to ground to suppress common-mode noise. * **Common Mode Choke:** An inductor that filters out high-frequency electromagnetic interference. ### B. Integrated Power Switch * **Type:** Double Pole, Single Throw (DPST) or Single Pole. * **Function:** Physically disconnects the live and/or neutral lines from the device. * **Illumination:** Often features a built-in neon or LED lamp to indicate "ON" status. ### C. Fuse Holder * **Capacity:** Usually designed for $5 \times 20$ mm glass or ceramic fuses. * **Safety:** Protects the internal circuitry of the connected device from overcurrent or short circuits. --- ## 3. Circuit Diagram Representation The electronic logic follows a standard sequence to ensure maximum protection: ```text AC Input (Plug) -> Fuse -> Power Switch -> EMI Filter -> DC/AC Output (Internal) ``` --- ## 4. Application and Use Cases * **Power Quality:** Removes "noise" from the electrical grid that could interfere with sensitive electronics. * **Safety Compliance:** Meets international standards (UL, VDE, CE) for electrical safety. * **Space Efficiency:** Combines three functions (Socket, Switch, Filter) into one compact housing.