The **AVLN3L-RPN02** is a specialized electronic component primarily categorized under industrial control interfaces or pilot devices. It is part of the **IDEC HW series**, specifically a 22mm emergency stop (E-Stop) or push-lock/turn-reset illuminated switch assembly. ### 1. Component Overview This part is a modular assembly consisting of an operator head, a contact block, and an illumination element. | Feature | Specification | | :--- | :--- | | **Series** | IDEC HW Series (22mm) | | **Function** | Push-lock, Turn-reset | | **Illumination** | Yes (LED or Incandescent) | | **Button Type** | Mushroom Head (Large) | | **Mounting Hole** | 22mm Diameter | --- ### 2. Key Electronic & Mechanical Parts #### A. The Operator Head (AVLN3) The "AVLN3" prefix refers to the mechanical interface. * **Action:** It features a "trigger action" mechanism. When pushed, it locks in the depressed state to ensure a machine shutdown. It requires a clockwise turn to reset (release). * **Material:** Heavy-duty plastic/polyamide designed for industrial environments (IP65/NEMA 4X). #### B. Illumination Module (L) The "L" indicates that the unit is illuminated. * **Light Source:** Usually a removable LED lamp (though older versions used incandescent). * **Voltage:** Commonly rated for 24V AC/DC, but can be configured for 120V or 240V via internal transformers. * **Lens:** Red transparent mushroom cap. #### C. Contact Blocks (RPN02) The "RPN02" suffix defines the electrical switching configuration. * **Configuration:** **2NC** (Two Normally Closed contacts). * **Safety Rating:** These are "Direct Opening Action" or "Positive Opening" contacts. This means even if the contacts weld together, the force of pressing the button is designed to physically break the circuit for safety compliance. * **Current/Voltage Rating:** Typically rated for 10A at 120V AC (Thermal Current). --- ### 3. Internal Wiring Diagram Logic In a standard safety circuit, the electronic path follows this logic: ```mermaid graph LR Power[24V/120V Source] --> NC1[NC Contact 1] NC1 --> NC2[NC Contact 2] NC2 --> Load[Safety Relay/PLC Input] Power --> LED[Internal LED Terminal] LED --> Ground[Neutral/Negative] ``` --- ### 4. Technical Specifications Table | Parameter | Value | | :--- | :--- | | **Contact Resistance** | 50mΩ maximum (initial) | | **Insulation Resistance** | 100MΩ minimum (500V DC megger) | | **Operating Temperature** | -25°C to +50°C (without freezing) | | **Mechanical Life** | 500,000 operations | | **Electrical Life** | 100,000 operations (at full load) |