{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MGNCB2504","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"MGNCB2504","canonicalUrl":"https://aoctrl.com/schneider/MGNCB2504","factsUrl":"https://aoctrl.com/api/mcp/products/MGNCB2504","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric Isobar B, Molded Case Circuit Breaker, MGNCB2504, 250 A at 415 V AC, 4 poles.","salesMarkdown":"Certified to BS EN 60947-2, the harmonized standard for low-voltage switchgear and controlgear circuit breakers; this covers construction, performance, and test requirements for industrial applications. Cable cross-section acceptance of 50 to 185 mm² gives the panel builder flexibility in lug selection for the incoming and outgoing conductors; the 15 N.m tightening torque is a firm value to hit during commissioning to avoid loose connections or terminal damage. ## Where This Class Is Deployed","metaTitle":"MGNCB2504 Isobar B MCCB 250A 415V 4P, Obsolete","metaDescription":"MGNCB2504 Isobar B Molded Case Circuit Breaker, 250 A at 415 V AC, 4P, BS EN 60947-2. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Standards":"BS EN 60947-2","lifecycle_stage":"current","Range of product":"Isobar B","Poles description":"4P","Tightening Torque":"15 N.m","Cable cross section":"50...185 mm²","Product or component type":"Circuit breaker","[Ie] rated operational current":"250 A at 415 V AC"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/b7d1beb2ff0fdbdfcc93e5d091721ce5.pdf","sourceUrl":"https://www.se.com/uk/en/product/MGNCB2504/isobar-b-molded-case-circuit-breaker-250-a-415-v-4p/","alternativesUrl":"https://aoctrl.com/api/mcp/products/MGNCB2504/alternatives.json"},"ai":{"faq":[{"question":"What is MGNCB2504's listed standard (BS EN 60947-2) on this component line?","answer":"The MGNCB2504 is certified to BS EN 60947-2, the standard for low-voltage switchgear circuit breakers."},{"question":"What is the closest pin-compatible alternative to MGNCB2504 in this component family?","answer":"No official direct replacement or pin-compatible alternative is listed in the available records for this obsolete part."},{"question":"Who supplies MGNCB2504 and how is it quoted for volume purchases?","answer":"The MGNCB2504 is sourced through independent distribution channels; availability and current pricing are confirmed at the time of a formal quote request against an RFQ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/MGNCB2504","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/MGNCB2504 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}}