The **M2XV2-S2Z1-R/UL** is a specific industrial-grade safety limit switch, typically manufactured by brands like **Moujen Electric**. These components are critical in automation for detecting the presence of objects or the position of machinery parts. --- ## 1. Technical Specifications Overview The model number can be broken down into its core electronic and mechanical characteristics: | Feature | Specification | Description | | :--- | :--- | :--- | | **Contact Type** | 1NO + 1NC | One Normally Open and One Normally Closed contact. | | **Switching Mechanism** | Snap Action | Ensures rapid opening/closing regardless of actuator speed. | | **Actuator Style** | Side Rotary | Features a lever arm that rotates to trigger the internal switch. | | **Housing Material** | Zinc Die-cast | Provides heavy-duty protection and EMI shielding. | | **Safety Certification** | UL / cUL | Meets North American safety standards for industrial use. | | **Ingress Protection** | IP67 | Dust-tight and protected against temporary immersion in water. | --- ## 2. Electronic Component Details ### A. Contact Configuration The device utilizes a **DPST (Double Pole Single Throw)** or **Bifurcated** contact structure. * **NC (Normally Closed):** Used for safety interlocking (e.g., stopping a motor when a door opens). * **NO (Normally Open):** Used for signaling (e.g., turning on an indicator light when a limit is reached). ### B. Electrical Ratings While specific ratings vary by load type, standard industrial limits for this series are: * **AC Rating:** 10A at 125V or 250V AC. * **DC Rating:** 0.8A at 125V DC (Resistive load). * **Insulation Resistance:** 100MΩ min. (at 500V DC). * **Contact Resistance:** 25mΩ max. (initial value). --- ## 3. Key Electronic Features 1. **Positive Opening Mechanism:** The NC contacts are designed to be forced open even if a light weld occurs, which is a requirement for "Safety" rated switches. 2. **Galvanic Isolation:** The internal structure ensures that the NO and NC circuits are electrically separated, allowing them to control different voltages or polarities. 3. **Gold-Plated Contacts (Optional):** Many versions in this series offer gold plating to ensure reliable switching even in low-current (logic level) electronic circuits. --- ## 4. Typical Wiring Diagram ```text Terminal 11 (NC) ----| \ |---- Terminal 12 (NC) Terminal 23 (NO) ----| / |---- Terminal 24 (NO) [Ground Terminal Provided on Housing] ```