{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SS-5-F-3","brand":"Omron","brandSlug":"omron","productSlug":"SS-5-F-3","canonicalUrl":"https://aoctrl.com/omron/SS-5-F-3","factsUrl":"https://aoctrl.com/api/mcp/products/SS-5-F-3","rawCanonicalId":null},"summary":{"shortDescription":"Omron SS-5-F-3 limit switch, SPST-NO configuration, subminiature snap-acting, through-hole termination.","salesMarkdown":"## The part behind the order code Buyers land on this exact code when a panel drawing, a maintenance log, or a BOM line already names the SS-5-F-3 specifically — the switch is the part, not a generic stand-in. It belongs to the Limit Switches category, which means it is specified for mechanical position feedback: a plunger or lever actuator that opens or closes one circuit as a machine element crosses a setpoint. ## Why the SPST-NO contact arrangement matters for fit SPST-NO on a subminiature snap switch is the form factor most often used as an end-of-travel interlock or a door/guard position indicator on a control panel — one wire in, one wire out, the contact closes only when the actuator is depressed, so a broken wire or a stuck actuator reads as a fault at the input rather than silently passing a signal. The Omron SS subminiature series is specified across a wide range of electrical ratings; the SPST-NO version here is intended for low-current signal switching typical of PLC and relay logic inputs rather than direct motor load switching — confirm the actuator force, differential travel, and electrical rating on the datasheet before substituting into a higher-current application. ## Sourcing posture for the maintenance bench For a maintenance buyer stocking one against an installed asset, the practical play is to hold at least one in the cabinet before the in-service unit fails: subminiature switches sit inside machines where access is awkward, and a fifteen-minute swap with a spare on the shelf beats a procurement cycle while the line is idle.","metaTitle":"Omron SS-5-F-3 Limit Switch, SPST-NO","metaDescription":"Omron SS-5-F-3 limit switch, SPST-NO, current production. Quoted to order against the BOM; availability confirmed at RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Limit Switches"],"specifications":{"title":"SS-5-F-3","description":"Switches - Limit Switches","Product Name":"Switches - Limit Switches","Product Number":"SS-5-F-3","lifecycle_stage":"current","Product Category":"Limit Switches","Switch Configuration":"Single Pole, Single Throw (SPST); SPST-NO"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/09b83c9f4f03b3ee48f53192276c7d46.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/omron/SS-5-F-3","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/SS-5-F-3 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}}