Killark tumbler switches are designed for applications which demand making, breaking & changing connections for connected circuits / equipment. They feature pad-lockable design to prevent accidental switching from ON / OFF state and exterior gasket to prevent dust & moisture from entering the enclosure. Choose from a wide variety of these tumbler switches, available in 1/2 & 3/4 inch hub sizes on Raptor Supplies. Motor starter switch assemblies (motor starter switch assemblies) for use with tumbler switches are also available on Raptor Supplies.