The **M22-WLK-R** is a specific model within the RMQ-Titan series of pilot devices manufactured by **Eaton (Moeller)**. It is an illuminated selector switch designed for industrial control panels. --- ### 1. Technical Specifications The following table outlines the primary electronic and mechanical characteristics of the M22-WLK-R. | Feature | Specification | | :--- | :--- | | **Series** | RMQ-Titan (M22) | | **Type** | Illuminated Selector Switch | | **Color** | Red | | **Actuator Type** | Thumb-grip | | **Positions** | 2 Positions | | **Switching Angle** | 40° | | **Function** | Maintained (Stays in the selected position) | | **IP Rating** | IP66 (Dust-tight and protected against heavy seas) | | **Mounting Diameter** | 22.5 mm | --- ### 2. Component Breakdown The M22-WLK-R is typically part of a modular assembly. To function as a complete electronic component, it requires the following parts: #### A. The Actuator (M22-WLK-R) This is the front-facing part that the operator interacts with. It features a translucent red thumb-grip that allows light to pass through. #### B. The Fixing Adapter (M22-A) This bracket snaps onto the back of the actuator. It holds the electrical contact blocks and the LED element in place. #### C. Light Element (M22-LED-R) * **Voltage Options:** Available in 12-30V AC/DC or 85-264V AC. * **Purpose:** Provides the internal red illumination. * **Connection:** Snaps into the center position of the fixing adapter. #### D. Contact Blocks (M22-K10 or M22-K01) * **M22-K10:** Normally Open (NO) contact. * **M22-K01:** Normally Closed (NC) contact. * These are responsible for the actual switching of the electrical circuit. --- ### 3. Wiring Logic The electronic operation follows a standard logic for industrial switches: 1. **Illumination Circuit:** The LED element is wired to a power source (often controlled by the machine's status) to provide visual feedback. 2. **Control Circuit:** As the thumb-grip is rotated 40 degrees, the internal cam pushes the plunger of the attached contact blocks, opening or closing the electrical path to the PLC or motor starter. ```mermaid graph LR Power[Power Supply] --> LED[M22-LED-R] Switch[M22-WLK-R] --> Contacts[M22-K10/K01] Contacts --> Load[Motor/PLC Input] ``` --- ### 4. Application Use-Case Because this model is **Red** and **Maintained**, it is frequently used for: * Selecting between two modes (e.g., Manual vs. Auto). * Indicating a "Fault" or "Stop" state while allowing the user to lock the system into a specific configuration. * Operating in harsh environments where water or dust protection is required.