{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"D4NL1AFAB","brand":"Omron","brandSlug":"omron","productSlug":"D4NL1AFAB","canonicalUrl":"https://aoctrl.com/omron/D4NL1AFAB","factsUrl":"https://aoctrl.com/api/mcp/products/D4NL1AFAB","rawCanonicalId":null},"summary":{"shortDescription":"Omron D4NL series safety-door lock switch, D4NL1AFAB, mechanical key lock, 2NO/2NC contacts, IP67, screw terminal.","salesMarkdown":"The D4NL1AFAB is a safety-door lock switch from the Omron D4NL series, built to guard access on machinery with a mechanical key lock and a 2NO/2NC contact configuration. The screw terminals are standard for panel wiring; no special crimp tool needed, just a screwdriver and a ferrule if the wire is stranded. The 2NO/2NC contact set gives you two normally-open safety channels and two normally-closed monitoring channels — enough for a dual-channel safety circuit with feedback loop, which is common on guarded machine access points. Switching capacity is 3 A at 240 V AC and 270 mA at 250 V DC, so it handles control-level loads (relays, PLC inputs, contactor coils) but not motor power directly — the contacts are sized for the safety circuit, not the main power. Mechanical life is rated at 1 million cycles; electrical life at 500,000 cycles — that is a long service interval for a door switch on a production line that cycles a few times per shift. The four head directions let you orient the key entry top, bottom, left, or right, which helps fit the switch to the door hinge side and the guard frame without extra brackets.","metaTitle":"Omron D4NL1AFAB Safety Door Switch, 2NO/2NC, IP67","metaDescription":"Omron D4NL1AFAB safety-door lock switch with mechanical key lock, 2NO/2NC contacts, IP67, screw terminals. Mature lifecycle, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Limit Switches"],"specifications":{"Depth":"35.5 mm","Width":"88.5 mm","title":"D4NL1AFAB","Height":"95 mm","Series":"D4NL","Lock Type":"Mechanical","Switch Type":"Safety-Door Switch","description":"Safety Door Lock Switch, 2NO / 2NC, IP67, Screw Terminal","Actuator Type":"Key","lifecycle_stage":"mature","Termination Type":"Screw Terminal","Protection Rating":"IP67","Contact Configuration":"2NO;2NC","Switching Current - AC":"3 A","Switching Current - DC":"270 mA","Switching Voltage - AC":"240 V","Switching Voltage - DC":"250 V","Service Life - Electric":"500000 Cycles","Number of Head Directions":"4","Service Life - Mechanical":"1 Million Cycles"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$112.52 – $219.78","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8fad8bcd5f903720d1f8c7306b96a1e2.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest alternative to this switch in the D4NL family?","answer":"The D4NL family includes variants with different contact configurations and actuator types. If you need the same mechanical key lock and IP67 rating but a different contact count, look at the D4NL-2 series options. The D4NL1AFAB is the 2NO/2NC version with screw terminals."},{"question":"What compliance documentation is available for this switch?","answer":"The D4NL series carries standard Omron compliance documentation including RoHS and REACH. Specific certification details (UL, IEC) are confirmed at the time of order against the specific production batch."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/omron/D4NL1AFAB","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/omron/D4NL1AFAB when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}