Allen-Bradley 440G-T27127 Guard Locking Switch

Allen-Bradley 440G-T27127 Guard Locking Switch (TLS-GD2) is a power-to-lock safety interlock designed to secure machine guarding doors and prevent access while equipment is energized. It operates from 24 V AC/DC and provides solenoid contacts: 1 normally closed and 1 normally open, plus safety/auxiliary contacts: 2 normally closed and 1 normally open, all packaged in a bolting, IP66-rated enclosure with M20 conduit entry. The unit has no actuator, simplifying installation in guard frames and integrating with TLS2-GD2 safety logic configurations. Designed for Guardmaster safety systems, it delivers reliable door locking and interlock signaling to support compliant machine safeguarding.