The **YB225CWCKW01-5C-JS** is a high-quality, panel-mount pushbutton switch manufactured by **NKK Switches**. It belongs to the YB2 series, known for being tamper-resistant and having a "power" rated switching capacity. --- ## 1. Part Number Breakdown To understand the electronic and physical specifications, we can decode the part number suffix by suffix: | Segment | Code | Description | | :--- | :--- | :--- | | **Series** | YB2 | 22mm Diameter, Anti-Vandal / Tamper Resistant | | **Circuit** | 25 | DPDT (Double Pole, Double Throw) | | **Action** | CW | Alternate Action (Latch/Maintained) - Push to stay, Push to release | | **Bushing** | CK | Circular, Bezel with IP65 protection | | **Terminals** | W01 | Silver Contacts, Solder Lug/Quick Connect Terminals | | **LED Color** | 5C | Red LED illumination | | **Cap Type** | JS | Clear/Silver Cap with Insert | --- ## 2. Technical Specifications Below are the primary electrical and mechanical characteristics: ### Electrical Characteristics * **Contact Rating:** 5A @ 125V AC; 3A @ 250V AC; 3A @ 30V DC. * **Contact Resistance:** 50 milliohms maximum. * **Insulation Resistance:** 200 Megohms minimum @ 500V DC. * **Dielectric Strength:** 1,000V AC minimum between contacts; 1,500V AC minimum between contacts and case. * **LED Forward Voltage ($V_f$):** 2.0V (Standard for Red LED). ### Mechanical & Environmental * **Sealing:** IP65 Rated (Dust-tight and protected against water jets). * **Mounting Hole:** 22.0mm (.866"). * **Operating Temp:** -25°C to +50°C (-13°F to +122°F) for illuminated versions. * **Mechanical Life:** 1,000,000 operations minimum. --- ## 3. Circuit Configuration (DPDT) This switch features a **Double Pole Double Throw** configuration. This allows the user to control two independent circuits simultaneously with one press. ```text Terminal Layout (Bottom View): (L+) (L-) <-- LED Terminals 1 4 <-- Common (COM) 2 5 <-- Normally Closed (NC) 3 6 <-- Normally Open (NO) ``` --- ## 4. Key Applications * **Industrial Control Panels:** Due to the IP65 rating and rugged build. * **Communication Equipment:** Reliable switching for broadcast or data centers. * **Medical Equipment:** High-cycle life and easy-to-clean bezel. * **Public Kiosks:** Tamper-resistant design prevents unauthorized removal.