Y33R33135FPLFT is a sealed tactile switch from the KSA & KSL Series designed for applications requiring reliable push-button actuation with environmental protection. The switch features IP60 sealing, SPST normally-open contact arrangement, and double overmolding on terminals with optional ground pin for enhanced durability and retention. Available in multiple actuation force options (1.3 N, 3.0 N, or 5.0 N) with operating life ratings from 100,000 to 1,000,000 cycles, accommodating diverse application requirements. The switch supports both top and side actuation configurations with cambered terminals for self-retention, and is compatible with automatic tube packaging (65 pieces per tube) or manual bulk packaging. Typical applications include automotive, industrial control systems, and telecommunication networks where sealed, reliable switching performance is essential.