Omron D4NL-2AFA-B4 Safety Door Switch

The Omron D4NL-2AFA-B4 Safety Door Switch is a panel-mount, IP67-rated safety interlock with a key actuator, built for guard door monitoring in industrial automation. It detects guard door position to prevent unsafe machine operation and supports safety system integration on assembly lines, robotic cells, packaging equipment, and automated production lines that require reliable operator protection. Technical details include MPN D4NL-2AFA-B4, contact configuration multiple safety contacts (NC/NO), rated voltage up to 250 VAC, rated current up to 3 A, operating temperature -10°C to 55°C, housing material metal/reinforced, connection type terminal block, mounting type panel mount, and EN ISO 13849-1 compliance; common replacements include Omron D4NL-1AFA-B and Omron D4NS-1AF, as well as Omron D4SL-N2NFG.