Electrical Specifications Rated Voltage: 12V DC Rated Current: 50 mA Contact Resistance: ≤ 100 mΩ Insulation Resistance: ≥ 100 MΩ Withstand Voltage: AC 250V for 1 minute 🧩 Mechanical Specifications Switch Type: Momentary (Push ON, Release OFF) Contact Type: SPST (Normally Open) Operating Force: 160 gf – 250 gf (standard) Up to 3N – 3.6N (heavy-duty types) Travel (Stroke): ~1.0 mm Life Cycle: ≥100,000 operations (typical) Up to 300,000 cycles (high-quality types) 📏 Physical Specifications Dimensions: 12 mm × 12 mm × 12 mm Actuator Height: 12 mm Button Diameter: ~11 mm Pins: 4-pin (internally connected in pairs) Pin Pitch: ~13 mm × 5 mm Mounting Type: Through-hole (DIP) / SMD variants available Actuator Type: Round plunger 🌡️ Environmental Specifications Operating Temperature: approx. -20°C to +60°C Storage Conditions: Dry environment, ≤95% RH 🔧 Construction Details Material: Plastic housing + metal contacts Contact Plating: Silver or gold plated (varies by model) Sealing: Some models available with dustproof / IP65 rating 🔌 Functional Description Normally open circuit When pressed → circuit closes When released → returns to open state