• Ideal for electromagnetic starters, relays, horn switches, PC power switches, or any other control circuit with more than 500,000 life cycles. • Mounting hole size: Φ16mm, switch rating: 3A/250AC, switch combination: 1NO. • Momentary type: Resettable [Press and Hold ON, Release OFF]. • Perfect for DIY projects, easy to install with screw-type terminals for very simple mounting. • Made with high-quality metal material and IP65 waterproof protection, suitable for humid or dusty environments. • New and durable mechanical life of 500,000 cycles. • Widely used for circuit control in electromagnetic starters, contactors, relays, and other electrical circuits. • Housing material: nickel-plated brass/stainless steel. • Protection grade: IP65, IK08.