The 440G-T27175 is a GUARDLOCK TLS-GD2 safety interlock switch with power-to-lock functionality, operating at 24V AC/DC. It features 1 normally closed (N.C.) and 1 normally open (N.O.) contact, plus 2 N.C. safety contacts and 1 N.O. auxiliary contact with break-before-make operation. The red-colored switch is mountable and comes with Radwell's 2-year warranty (factory warranty not applicable).