Click to expand Tap to zoom Omron D4Nl-4Bfa-B4 D4Nl4Bfab4 Safety Door Lock SAFETY DOOR LOCK Electromechanical Switch Safety-Door Switch N.O./N.C. 3A 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Need a Specific Revision?