The part number **LP4-EE-1-R-G-C-B-R** refers to a high-quality, illuminated push-button switch, typically manufactured by companies like **E-Switch**. This specific series is known for its modularity and versatility in panel-mounted applications. --- ### Part Number Breakdown The alphanumeric string defines the physical and electrical characteristics of the switch: | Segment | Component | Description | | :--- | :--- | :--- | | **LP4** | Series | LP4 series illuminated push-button switch | | **EE** | Function | Latching (Push-on, push-off) | | **1** | Circuit | Single Pole Double Throw (SPDT) | | **R** | Cap Style | Round Cap | | **G** | Cap Color | Green | | **C** | Legend | Clear/No specific custom graphic (standard) | | **B** | LED Color 1 | Blue LED | | **R** | LED Color 2 | Red LED (Dual-color configuration) | --- ### Technical Specifications | Feature | Specification | | :--- | :--- | | **Contact Rating** | 100mA @ 30VDC | | **Contact Resistance** | 50mΩ Max (Initial) | | **Insulation Resistance** | 100MΩ Min @ 500VDC | | **Dielectric Strength** | 500VAC for 1 minute | | **Operating Force** | 200 ± 50 gf | | **Travel** | Full: 3.3mm; Lock: 2.2mm | | **Mechanical Life** | 50,000 Cycles | --- ### Key Features and Applications #### 1. Dual-Color Illumination This specific model features a **Blue/Red** LED combination. This allows for status feedback (e.g., Blue for Standby, Red for Active/Error). Because it is a latching switch, the visual feedback is essential to indicate the current state of the circuit. #### 2. Latching Actuation The "EE" designation indicates **Latching** behavior. Unlike momentary switches that spring back immediately, this switch stays in the "down" position until pressed again, making it ideal for power toggles or mode selections. #### 3. Typical Applications * **Audio/Visual Equipment:** Mixer consoles and signal processors. * **Industrial Controls:** Status indicators and mode selectors. * **Telecommunications:** Network hardware interfaces. * **Instrumentation:** Test and measurement device power buttons. --- ### Internal Wiring (SPDT) The switch operates as a **Single Pole Double Throw** (SPDT) component. It features: * **Common (C):** The input terminal. * **Normally Open (NO):** Circuit closes when the button is latched. * **Normally Closed (NC):** Circuit opens when the button is latched.