The 440G-MT47050 is a GUARDLOCK safety interlock switch with power-to-release mechanism, operating at 24V AC/DC. It features 2 N.C. safety contacts and 2 N.O. auxiliary contacts in break-before-make configuration. The switch has a 12-pin M23 style quick disconnect connector and comes in a die-cast alloy housing (red color). Factory warranty does not apply, but includes Radwell's 2-year warranty.