The **M2SES-2BD-R/Q** is a specific part number typically associated with high-performance **Industrial Control Switches** or **Selector Switches**, often produced by manufacturers like **IDEC** or similar industrial automation brands. Below is a breakdown of its electronic and mechanical components. --- ### 1. Technical Specifications Table | Feature | Description | | :--- | :--- | | **Product Type** | Selector Switch (Key or Knob operated) | | **Mounting Hole** | 22mm (Standard industrial size) | | **Operation** | 2-Position (Maintain or Spring Return) | | **Contact Block** | 1NO (Normally Open) or 2NO depending on configuration | | **Voltage Rating** | Up to 600V AC/DC (Insulation rating) | | **Current Rating** | 10A (Thermal current) | | **Environmental Rating** | IP65 / NEMA 4X (Water/Dust resistant) | --- ### 2. Breakdown of the Part Number Components Industrial part numbers are "intelligent codes." While they vary slightly by brand, the **M2SES** series generally follows this logic: * **M2SES:** The Series Prefix. Indicates a 22mm small-form-factor industrial switch designed for control panels. * **2:** Indicates the number of positions (e.g., 2-position switch: Left/Right). * **B:** Often refers to the operator shape or the bezel type (e.g., Black Plastic or Round Bezel). * **D:** Usually denotes the "Action" — **Maintained** (stays in place) vs. **Momentary** (springs back). * **R/Q:** Refers to the Contact Configuration or Terminal Type. * **R:** Often indicates a specific contact arrangement (like 1 Normally Open). * **Q:** Can indicate a "Quick Connect" terminal or a specific voltage rating for an illuminated version. --- ### 3. Key Electronic Components Inside this unit, there are three primary electronic/mechanical modules: #### A. The Operator (Head) The mechanical interface (the knob or key). It uses a cam mechanism to translate rotational movement into linear motion to push the contact blocks. #### B. The Contact Block This is the "switch" part. It contains silver-alloy contacts designed to handle high inrush currents. * **Normally Open (NO):** Circuit is broken until the switch is turned. * **Normally Closed (NC):** Circuit is continuous until the switch is turned. #### C. The Latch/Bracket A metal or high-strength plastic frame that holds the operator to the contact blocks and secures the entire assembly to the panel door. --- ### 4. Typical Applications * **Manual/Auto Selection:** Switching a machine between manual control and automated PLC control. * **Power On/Off:** Basic isolation for control circuits. * **Safety Interlocks:** Ensuring a specific mode is selected before a machine can start.