{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"D4NL1DFABS","brand":"Omron","brandSlug":"omron","productSlug":"D4NL1DFABS","canonicalUrl":"https://aoctrl.com/omron/D4NL1DFABS","factsUrl":"https://aoctrl.com/api/mcp/products/D4NL1DFABS","rawCanonicalId":null},"summary":{"shortDescription":"Omron D4NL series, safety door lock switch, 4NC, IP67, screw terminal, mechanical lock, key actuator.","salesMarkdown":"The D4NL1DFABS is a safety door lock switch from Omron's D4NL series, designed to interlock and lock access doors on machinery where a guard must stay closed until hazardous motion stops. It uses a mechanical lock and key actuator, so the door cannot be opened until the lock solenoid is de-energized (or the key is released mechanically). Contact configuration is 4NC — four normally-closed safety contacts wired in series for a dual-channel safety circuit (Cat 4 / PL e per ISO 13849-1 when monitored correctly). The screw terminals accept standard panel wiring, and the IP67 rating means the switch body and actuator withstand washdown environments — food processing, packaging, or any line where hoses are used. Rated 3 A at 240 V AC and 270 mA at 250 V DC. The AC figure covers most control-circuit loads (relay coils, contactor coils, PLC inputs) in a 120–240 V panel. The DC rating is lower because DC arcs are harder to extinguish — 270 mA at 250 V is typical for DC solenoids or indicator lamps. If your load exceeds these, you'll need an interposing relay. Electrical life is 500,000 cycles at rated load; mechanical life is 1 million cycles. That's a solid service life for a machine running one or two cycles per minute over a decade. The four head directions (top, bottom, left, right) give flexibility in mounting orientation on the guard frame.","metaTitle":"Omron D4NL1DFABS Safety Door Lock Switch, 4NC, IP67","metaDescription":"Safety door lock switch with 4NC contacts, IP67, screw terminals. Mechanical lock, key actuator. 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":"D4NL1DFABS","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":"$114.30 – $219.78","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8fad8bcd5f903720d1f8c7306b96a1e2.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What are the key ratings for this switch?","answer":"4NC contacts, rated 3 A at 240 V AC and 270 mA at 250 V DC. IP67 protection. Mechanical lock with key actuator. Screw terminals. Dimensions: 35.5 mm deep, 88.5 mm wide, 95 mm high."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/omron/D4NL1DFABS","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/D4NL1DFABS 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}}