The **MA23FAX-R** is a specific part number belonging to the **MA series** of magnetic proximity sensors, typically manufactured by companies like **Omron** (formerly STI - Scientific Technologies Inc.). These components are primarily used in industrial automation for safety interlocking and position sensing. --- ### 1. Technical Specifications The "MA" series generally refers to magnetically actuated reed switches designed for harsh environments. | Feature | Specification (Typical) | | :--- | :--- | | **Type** | Non-contact Magnetic Reed Switch | | **Housing Material** | Plastic (often glass-filled nylon) | | **Contact Configuration** | Typically 1NO (Normally Open) + 1NC (Normally Closed) | | **Operating Voltage** | 230V AC / 24V DC (Max ratings) | | **Switching Current** | Up to 0.3A - 1.0A (model dependent) | | **Sensing Distance** | 7mm to 12mm (Typical make) | | **Environmental Rating** | IP67 / IP69K | --- ### 2. Key Electronic Components The internal architecture of the MA23FAX-R consists of several critical electronic parts: * **Reed Elements:** The heart of the device. These are hermetically sealed glass tubes containing metal reeds that react to a magnetic field. * **Internal Fuse (F):** The "F" in the part number often denotes an internal fuse designed to protect the contacts from welding during a short circuit. * **MOV (Metal Oxide Varistor):** Used for surge suppression to protect the reed contacts from inductive kickback when switching loads. * **Potted Encapsulation:** The internal electronics are fully encased in epoxy resin to prevent vibration damage and moisture ingress. --- ### 3. Connection and Wiring The device usually features a multi-core cable (often 3-meter or 6-meter lengths). Below is a standard wiring logic for this series: ```yaml Wiring_Logic: Brown_Blue: Power/Common Black: Normally Open (NO) Signal White: Normally Closed (NC) Signal Green_Yellow: Earth/Ground (if applicable) ``` --- ### 4. Application Use Cases 1. **Safety Interlocking:** Ensuring machine guards are closed before power is applied. 2. **Washdown Environments:** Because it is non-contact and sealed, it is ideal for food and beverage processing. 3. **Explosive Atmospheres:** Non-sparking reed technology (when used with barriers) is suitable for volatile areas. ---