The **YB225CWCKG01-24-JB** is a high-quality, illuminated pushbutton switch manufactured by **NKK Switches**. It belongs to the YB2 Series, which is known for its tamper-resistant design and sleek, low-profile aesthetics. --- ### 1. Key Technical Specifications The model number encodes specific electrical and physical properties: | Feature | Specification | | :--- | :--- | | **Circuit Type** | DPDT (Double Pole Double Throw) | | **Switch Function** | ON-ON (Latching/Alternate Action) | | **Contact Rating** | 0.4VA Max @ 28V AC/DC (Logic Level) | | **Illumination** | LED (Clear Cap with White Filter/Diffuser) | | **Voltage (LED)** | 24V DC | | **Mounting Type** | Panel Mount, Threaded (16mm hole) | | **Ingress Protection** | IP65 (Dust tight and Water resistant) | --- ### 2. Electronic Components Breakdown #### A. Contact Mechanism (Logic Level) Unlike high-power switches, this model uses **Gold-plated contacts**. - **Purpose:** Gold prevents oxidation and ensures reliable switching for low-current applications (Logic Levels). - **Rating:** It is limited to 0.4 Volt-Amps. Connecting this to a high-current motor or heater will damage the gold plating. #### B. Illumination System The "24-JB" suffix indicates the lighting parameters: - **Voltage:** It contains an internal resistor designed for **24V DC** operation. No external resistor is required when using a 24V supply. - **LED Color:** The "JB" designation typically refers to a clear lens with a white diffuser, providing a crisp, neutral glow. #### C. Terminal Configuration The switch features **Solder Lug** terminals. - There are separate terminals for the switch contacts (DPDT) and the LED power. - This allows the LED to be wired independently of the switch state (e.g., the light can stay on constantly or toggle with the button). --- ### 3. Dimensional Data To integrate this part into an electronic enclosure, the following physical dimensions are critical: ```yaml Panel_Cutout: 16.0mm (0.630") Bezel_Shape: Round Actuator_Style: Flush with Shroud Total_Travel: 3.3mm (0.130") Mechanical_Life: 1,000,000 Cycles ``` --- ### 4. Typical Applications * **Industrial Control Panels:** Where IP65 protection against splashes is required. * **Medical Equipment:** Due to the reliable gold-plated contacts. * **Communication Systems:** Used as a reset or mode-selection toggle for logic circuits.