Based on the model number provided, the **M2AS1-A421-R/N** belongs to the **M2 series** of industrial-grade limit switches or microswitches, typically manufactured by companies specializing in industrial automation components (such as Highly, Moujen, or similar electronics providers). --- ### 1. Component Specifications Below is a breakdown of the typical electronic and mechanical characteristics associated with this part number: | Feature | Specification | | :--- | :--- | | **Switch Type** | Microswitch / Basic Limit Switch | | **Actuator Style** | Short Hinge Roller Lever | | **Contact Configuration** | SPDT (Single Pole Double Throw) | | **Current Rating** | 15A to 20A (typically at 125/250VAC) | | **Terminal Type** | Screw Terminals (often denoted by the "1" or "A" suffix) | | **Operating Force** | ~160g to 200g (varies by specific actuator) | | **Environmental Rating** | IP40 (Standard) | --- ### 2. Part Number Breakdown The alphanumeric string provides specific details about the component's construction: * **M2**: Series designation (Standard Large Microswitch). * **AS1**: Indicates the terminal configuration (likely Solder or Screw terminals positioned at the bottom). * **A421**: This segment defines the **Actuator Type**. In this case, it usually refers to a **Short Hinge Roller Lever**. This allows the switch to be triggered by a cam or a passing mechanical part. * **R/N**: * **R**: Often indicates RoHS compliance. * **N**: Can indicate specific contact material (e.g., Silver Alloy) or a specific market regional code. --- ### 3. Electrical Functionality The device operates as a **Changeover Switch (SPDT)**. It features three internal connection points: 1. **COM (Common):** The input power/signal. 2. **NC (Normally Closed):** Circuit is active when the lever is at rest. 3. **NO (Normally Open):** Circuit completes only when the roller lever is depressed. ### 4. Common Applications * **Industrial Machinery:** Detecting the position of moving parts or safety gates. * **Elevators/Lifts:** Leveling and floor sensing. * **Conveyor Systems:** Counting items or detecting jams. * **Appliances:** High-current power cutoff switches. ---