{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"D4NL2DFAB4","brand":"Omron","brandSlug":"omron","productSlug":"D4NL2DFAB4","canonicalUrl":"https://aoctrl.com/omron/D4NL2DFAB4","factsUrl":"https://aoctrl.com/api/mcp/products/D4NL2DFAB4","rawCanonicalId":null},"summary":{"shortDescription":"Omron D4NL series, safety-door switch, D4NL2DFAB4, mechanical lock, 4NC, IP67, screw terminal, 3 A AC / 270 mA DC.","salesMarkdown":"The Omron D4NL2DFAB4 is a key-actuated safety door switch with a mechanical lock, built for guarding access on industrial machinery. The 4NC contact configuration gives you dual-channel monitoring for the safety circuit — each NC pair can be wired to a separate safety relay input, which catches a welded contact or a shorted wire before the machine starts. IP67 means the housing and the key entry survive washdown; this is the right part for food, beverage, or chemical lines where you hose the guard down at the end of a shift. Switching current is 3 A at 240 V AC and 270 mA at 250 V DC. Mechanical life is rated at 1 million cycles, electrical life at 500,000 cycles at the rated load. The head rotates to four directions, so you can align the key entry to the guard door swing without reworking the mounting bracket.","metaTitle":"Omron D4NL2DFAB4 Safety Door Switch, 4NC, IP67, Screw Termin","metaDescription":"Omron D4NL2DFAB4 safety door switch with mechanical lock, 4NC contacts, IP67, screw terminal. Rated 3 A AC / 270 mA DC. 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":"D4NL2DFAB4","Height":"95 mm","Series":"D4NL","Lock Type":"Mechanical","Switch Type":"Safety-Door Switch","description":"Safety Door Lock Switch, 4NC, IP67, Screw Terminal","Actuator Type":"Key","lifecycle_stage":"mature","Termination Type":"Screw Terminal","Protection Rating":"IP67","Contact Configuration":"4NC","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":"$126.37 – $198.00","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8fad8bcd5f903720d1f8c7306b96a1e2.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What are the key ratings for the D4NL2DFAB4?","answer":"Switching current is 3 A at 240 V AC and 270 mA at 250 V DC. Contact configuration is 4NC. Protection rating is IP67. Mechanical life is 1 million cycles; electrical life is 500,000 cycles at rated load. The head rotates to four directions for alignment flexibility."},{"question":"Does the D4NL2DFAB4 have an official replacement part?","answer":"No official successor has been published for this order code. If a substitute is needed, the critical parameters to match are the 4NC contact block and the mechanical lock function. The D4NL series includes other actuator styles and contact counts, but no pin-compatible drop-in has been designated."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/omron/D4NL2DFAB4","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/D4NL2DFAB4 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}}