Omron D4NL-2GDG-B Locking Safety Door Interlock Switch

The Omron D4NL-2GDG-B is a locking safety door interlock switch that secures guard doors on industrial equipment. As part of the D4NL series, it uses a solenoid guard lock and provides multiple safety contacts (NC/NO) with a panel‑mount metal housing and terminal‑block connections, rated up to 250 VAC and 3 A, IP67 protection, and an operating temperature range from -10°C to 55°C. It is used to monitor and control access to hazardous machinery in machine safety guards, robotic cells, packaging equipment, conveyors, and automated production lines, delivering secure door locking and door-position sensing to protect operators. Designed for safety system integration and EN ISO 13849-1 compliance, common replacements include Omron D4NL-2ADA-B.