Omron D4NL-1DFA-BS Safety Door Switch With Lock

The Omron D4NL-1DFA-BS Safety Door Switch With Lock is a panel-mount, solenoid-locked safety interlock (Series D4NL) for industrial automation that provides door-position monitoring and secure access control in safety guards, access doors, robotic cells, and hazardous machinery. It features multiple safety contacts (NC/NO), a locking mechanism driven by a solenoid, a metal reinforced housing, terminal block connections, and is rated up to 250 VAC and 3 A with IP67 protection and an operating range of -10°C to 55°C. It supports EN ISO 13849-1 compliant safety circuits and is commonly used in automated production lines, robotic workstations, and packaging machines; Manufacturer Part Number D4NL-1DFA-BS and common replacements include D4NL-2DFA-BS and D4NS-1AF.