{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"WL12G-3P2572","brand":"SICK","brandSlug":"sick","productSlug":"WL12G-3P2572","canonicalUrl":"https://aoctrl.com/sick/WL12G-3P2572","factsUrl":"https://aoctrl.com/api/mcp/products/WL12G-3P2572","rawCanonicalId":null},"summary":{"shortDescription":"SICK WL12G-3P2572 retroreflective photoelectric sensor, block sensor, 4 m detection range.","salesMarkdown":"The SICK WL12G-3P2572 is a retroreflective photoelectric sensor in a block housing, rated for a 4 m detection range. It's the kind of part you'd spec into a conveyor or packaging line where you need a reliable break-beam presence check without running a cable back to a separate reflector — the reflector is mounted opposite, and the sensor sees its own light bounce back. The 4 m range covers most pallet or carton detection zones inside a plant; out here in the grease, that's enough reach to clear a transfer station or a merge point without having to get the reflector too close to the bearings. ## Why the 4 m range matters The 4 m detection range is the headline number that decides fit for most applications. It's not a theoretical maximum — it's the rated operating distance with the recommended reflector, so you can count on it in a real plant environment. If your conveyor gap or pallet spacing is under 4 m, this sensor works; if you need to reach across a wider aisle or a longer zone, you'd step up to a longer-range model. That single spec is what separates a sensor that works on day one from one that needs a bracket relocation.","metaTitle":"WL12G-3P2572 Retroreflective Sensor, 4 m Range","metaDescription":"SICK WL12G-3P2572 retroreflective photoelectric sensor, 4 m detection range, block housing, current lifecycle stage. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Photoelectric Sensors"],"specifications":{"Part #":"WL12G-3P2572","Weight":"0.09 kgs","Category":"Photoelectric Sensors","Top Category":"Sensors","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$240.42 – $388.44","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8aca7b19e3dcd2418cb00d941c9a1517.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/WL12G-3P2572/alternatives.json"},"ai":{"faq":[{"question":"What is the detection range of the WL12G-3P2572?","answer":"It is a retroreflective photoelectric sensor with a 4 m detection range."},{"question":"Will the WL12G-3P2572 drop into a panel specified around the WL24-2R240?","answer":"Both are block-style retroreflective sensors, but the WL24-2R240 is a different model with its own mounting and wiring spec. Mechanical and electrical compatibility should be verified against the specific bracket and wiring layout; they are not guaranteed drop-in replacements without checking the datasheet dimensions and pinout."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/sick/WL12G-3P2572","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/sick/WL12G-3P2572 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}