The part number **W2TS-31Y-R2/CE** refers to a high-quality, industrial-grade **Indicator Light** (Pilot Lamp) typically manufactured by companies like **DECA SwitchLab**. These components are essential in control panels to provide visual feedback regarding the status of a machine or circuit. --- ### 1. Technical Specifications Breakdown The alphanumeric code describes specific physical and electrical characteristics of the component: | Feature | Specification Details | | :--- | :--- | | **Component Type** | LED Indicator Light (Pilot Lamp) | | **Mounting Diameter** | 22mm (Standard industrial size) | | **Illumination Color** | **Yellow** (Indicated by the "Y") | | **Lens Shape** | Circular / Extended / Flat (Series dependent) | | **Input Voltage** | **220V AC/DC** (Indicated by "R2") | | **Certification** | **CE** (European Conformity) | | **Terminal Type** | Screw terminals for secure wiring | --- ### 2. Key Electronic Characteristics #### A. Internal Illumination (LED) Unlike old incandescent lamps, this part uses an integrated **LED**. * **Longevity:** Rated for 50,000+ hours of operation. * **Efficiency:** Consumes very low current (typically <20mA). * **Heat Dissipation:** Produces minimal heat compared to filament bulbs. #### B. Voltage Regulation The "R2" designation indicates an internal circuit (often a resistor or a small capacitive dropper) designed to handle **220V**. This allows the low-voltage LED to be powered directly from high-voltage industrial mains without additional transformers. #### C. Environmental Protection These parts are usually rated **IP65** or higher, meaning: * **Dust-tight:** No ingress of dust. * **Water-resistant:** Protected against low-pressure water jets from any direction. --- ### 3. Application Use Cases This specific yellow indicator is commonly used in the following scenarios: 1. **Warning/Caution:** Indicating that a machine is in a "Standby" mode or that a non-critical fault has occurred. 2. **Process Completion:** Signifying that a cycle is finished and awaiting operator input. 3. **Power Presence:** Confirming that the 220V control circuit is energized. --- ### 4. Installation Diagram (Simplified) ```text L1 (220V) -----------[ X1 ] | ( LED ) | N (Neutral) ----------[ X2 ] ``` *Note: Terminals are usually marked X1 and X2 on the back of the housing.* ---