Best-selling Guard Lock Safety-door Switch Available in Several Compact, Multi-contact Models • Selectable Operation Key insertion direction and adjustable mounting ensure installation flexibility. • Built-in switches with multiple-contact construction are available. • Key holding force of 1,300 N minimum. • Can be used for either standard loads or microloads. • Lineup includes models with a conduit size of M20. • IP67 degree of protection. • Variety of Metallic Heads Available.