These key switches are UL rated in both the tubular key and flat double-bitted key design. Made with a standard-security 11-blade tumbler or 7-pin tumbler mechanism. Available in momentary or maintaining styles with screw, spade, or solder post terminals. Two-position Off-On in 1 or 2 key pull. Contact rating: 4A 125 VAC, 2A 250 VAC.