The **V-15D-R** is part of the "V" series of miniature snap-action switches (often called microswitches) manufactured by companies like Omron. These switches are widely used for their reliability in high-current applications. Below is a breakdown of the electronic and mechanical specifications of the **V-15D-R**. --- ### 1. Technical Specifications The alphanumeric code provides specific details regarding the switch's electrical capacity and configuration. | Feature | Specification | Description | | :--- | :--- | :--- | | **Current Rating** | 15 Amps | Rated for heavy-duty loads at 250 VAC. | | **Contact Form** | SPST-NO / SPDT | Depending on the sub-model; typically Single Pole Double Throw. | | **Voltage Rating** | 250 VAC / 125 VDC | Suitable for mains power and industrial DC circuits. | | **Actuation Force** | 1.96 N (approx. 200g) | The force required to depress the plunger. | | **Termination** | Solder or Quick-Connect | Standard .187" (4.75mm) tabs. | | **Contact Material** | Silver Alloy | Provides high conductivity and prevents oxidation under load. | --- ### 2. Model Breakdown (Decoding "V-15D-R") * **V**: Series name (Miniature Basic Switch). * **15**: Current Rating (15 Amps). * **D**: Operating Force / Internal mechanism variant (Often signifies high-capacity or specific contact gap). * **R**: Terminal/Contact Configuration. Usually indicates **Right-hand side** terminals or a specific **Normally Open** orientation in some manufacturer catalogs. --- ### 3. Key Electronic Characteristics #### Snap-Action Mechanism The "Snap-Action" means that the speed at which the contacts move is independent of the speed at which the actuator is pressed. This prevents "arcing" (sparks jumping between contacts), which extends the life of the switch and ensures a clean signal. #### Longevity and Durability * **Mechanical Life:** Typically 10 million to 50 million operations. * **Electrical Life:** Typically 100,000 operations at full rated load. * **Dielectric Strength:** Usually 1,000 VAC for 1 minute between terminals of the same polarity. --- ### 4. Common Applications Due to the 15A rating, these parts are commonly found in: * **Home Appliances:** Microwave oven door interlocks, washing machines. * **Industrial Equipment:** Limit switches for CNC machines or 3D printers. * **Safety Systems:** Emergency stop buttons or floor sensors. ---