{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"WSE250-2R1531","brand":"SICK","brandSlug":"sick","productSlug":"WSE250-2R1531","canonicalUrl":"https://aoctrl.com/sick/WSE250-2R1531","factsUrl":"https://aoctrl.com/api/mcp/products/WSE250-2R1531","rawCanonicalId":null},"summary":{"shortDescription":"SICK W250-2 series through-beam photoelectric sensor, WSE250-2R1531, 50 m range, relay 1 changeover contact, 3 A, 24–240 V, IP67, 2 m cable.","salesMarkdown":"The SICK WSE250-2R1531 is a through-beam photoelectric sensor from the W250-2 series, built for long-range presence detection up to 50 m between emitter and receiver. That 50 m reach means you can span a warehouse aisle, conveyor gap, or vehicle entry point with a single beam pair — no reflector needed, just clean line-of-sight alignment. Its relay output (1 changeover contact rated 3 A) switches loads directly — no interposing relay for most PLC inputs or small contactors. The 15 ms response time is fine for part-present or pallet-in-position checks, but too slow for counting fast-moving items on a high-speed line. ## Switching logic and wiring This sensor is Light-ON only — the relay energizes when the receiver sees the beam. That's a fixed behavior; there's no Dark-ON or teach-in option. If your application needs output on beam break (e.g., detecting a missing part), you wire the normally-closed contact of the changeover relay instead. Power range is 24–240 V AC/DC, which covers most industrial control voltages without a separate supply module. The 2 m cable termination is a fixed pigtail — no M12 connector, so factor in junction boxes or extension cables if the sensor sits far from the panel. The 20 mm wide housing fits standard 20 mm slot-mount brackets common in the W250 family. Height is 60 mm, length 43.9 mm — compact enough for tight panel layouts or machine frames.","metaTitle":"SICK WSE250-2R1531 Through-Beam Sensor, 50 m, 3 A Relay, IP6","metaDescription":"SICK WSE250-2R1531 through-beam photoelectric sensor with 50 m range, 3 A relay output, IP67. Active production. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Photoelectric Sensors"],"specifications":{"Width":"20 mm","Height":"60 mm","Length":"43.9 mm","Series":"W250-2","Light Type":"LED, Visible Red Light","Sensor Type":"Through-Beam Photoelectric Sensor","Load Current":"3 A","Response Time":"15 ms","Switching Type":"Light-ON","lifecycle_stage":"current","Termination Type":"Cable, 2 m","Protection Rating":"IP67","Sensing Distance Max.":"50 m","Operating Voltage Max.":"240 V","Operating Voltage Min.":"24 V","Operating Temperature Max.":"55 °C","Operating Temperature Min.":"-25 °C","Optical Sensor Output Type":"Relay, 1 Changeover Contact"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$166.37 – $257.68","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/3cfdbb9f43bc9faf8af2e14a34041804.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/WSE250-2R1531/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional alternative — WSE250-2P2431?","answer":"The WSE250-2P2431 is the same through-beam sensor in the W250-2 family, but it's a PNP output (100 mA) with an M12 connector, not a relay. It also supports Light-ON/Dark-ON switching, so it's more flexible for logic-level inputs. The mounting footprint is nearly identical (20 mm width, same 43.9 mm length, but 65 mm height vs 60 mm), so it will drop into the same bracket but may need a connector adapter instead of the 2 m cable."},{"question":"Will WSE250-2R1531 drop into a panel specified around WSE250-2P2431 without rewiring?","answer":"Mechanically, yes — same 20 mm width and 43.9 mm length, only 5 mm height difference. But electrically, no: the WSE250-2R1531 uses a relay output and 2 m cable, while the WSE250-2P2431 uses a PNP output and M12 connector. You'll need to re-terminate the cable and account for the relay coil load if the original circuit expected a PNP signal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/sick/WSE250-2R1531","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/WSE250-2R1531 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}}