{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"A2N250TW","brand":"ABB","brandSlug":"abb","productSlug":"A2N250TW","canonicalUrl":"https://aoctrl.com/abb/A2N250TW","factsUrl":"https://aoctrl.com/api/mcp/products/A2N250TW","rawCanonicalId":null},"summary":{"shortDescription":"ABB A2N250TW A2N 250 TMF 250-2500, 3-pole thermal magnetic MCCB, 250 A frame, adjustable trip range 250–2500 A, end-of-life (eol_hot).","salesMarkdown":"## 250 A frame, TMF trip — what it means on the line The A2N250TW is a 3-pole thermal magnetic MCCB from ABB's A2N series, with a 250 A frame and a TMF trip unit adjustable from 250 to 2500 A. Thermal magnetic means it uses a bimetal strip for overload protection (heat-sensitive, slower response) and a magnetic coil for short-circuit protection (instantaneous). That dual-action is what keeps motor feeders and distribution panels from taking a hit on a fault — the thermal element rides through inrush, the magnetic element clears a bolted fault fast. ## Where this MCCB lives in a panel This is a molded-case breaker — it bolts into a panel or switchboard, not a DIN rail. The 250 A frame size is common for motor control centers, feeder distribution, and main disconnects in industrial plants. The TMF trip unit gives you adjustable thermal and magnetic settings, so you can dial it in for the load — a pump motor, a conveyor drive, a compressor bank.","metaTitle":"ABB A2N250TW A2N 250 TMF MCCB, 250 A, Thermal Magnetic, EOL","metaDescription":"ABB A2N250TW A2N 250 TMF 250-2500 3-pole MCCB, thermal magnetic trip, 250 A frame.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Type":"Thermal Magnetic","title":"A2N250TW","description":"ABB A2N250TW A2N 250 TMF 250-2500 3|ABB A2N250TW A2N 250 TMF 250-","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/44e2d959a442d09aa6247e36b2f6ba9d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How do I get current pricing and availability for A2N250TW?","answer":"Pricing and stock are confirmed at quote time. Submit an RFQ with your target quantity, and we'll source it through independent distribution against your BOM line. Availability is lot-specific and confirmed per inquiry."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/A2N250TW","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/abb/A2N250TW 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}}