Reliable Overload Protection:Automatically cuts off power when current exceeds the 3A rating, protecting equipment from damage caused by overloads or short circuits. Suitable for 125/250V AC and 32V DC systems. Convenient Push-Reset Operation:Easily restore function after tripping by pressing the top reset button—no need to replace fuses. Saves time and cost during repeated use. Quick Connect & Snap-In Design:Features tool-free installation with standard quick-connect terminals and a snap-in mount, ensuring secure and efficient setup compatible with W28-XQ1A-3 applications. Wide Range of Applications:Ideal for HVAC systems, automotive electronics, UPS units, household appliances, medical devices, marine equipment, and power tools in both AC and DC environments. Quality & Value:Exterior is made of lightweight yet protective plastic. Sold in a practical multi-pack to meet backup and multi-device needs.