{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LV948261","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LV948261","canonicalUrl":"https://aoctrl.com/schneider/LV948261","factsUrl":"https://aoctrl.com/api/mcp/products/LV948261","rawCanonicalId":null},"summary":{"shortDescription":"Circuit breaker frame, MasterPacT MTZ2 12L1, for MicroLogic Active, 1250A, 150kA/440VAC 50/60Hz (Icu), 3P, drawout","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":[],"specifications":{"Range":"MasterPacT","Depth (D)":"Drawout circuit breaker with chassis: 403 mm Drawout circuit breaker without chassis: 331 mm","Standards":"EN/IEC 60947-1 EN/IEC 60947-2","Width (W)":"Drawout circuit breaker with chassis: 441 mm Drawout circuit breaker without chassis: 378 mm","Height (H)":"Drawout circuit breaker with chassis: 439 mm Drawout circuit breaker without chassis: 301 mm","Control type":"Push-button","Control unit":"Without control unit","Product name":"MasterPacT MTZ2 Active","Mounting mode":"Drawout","Sensor rating":"630 A 800 A 1000 A 1250 A","lifecycle_stage":"unknown","Connection pitch":"115 mm","Mounting support":"Base plate Rails","Performance type":"L1 150 kA 440 V AC","Pollution degree":"3 conforming to IEC 60664-1","Device short name":"MTZ2 12 L1","Poles description":"3P","Upside connection":"Front Rear","Device application":"Power distribution protection","Operating altitude":"0...2000 m without derating 2000 m...5000 m with derating","[In] rated current":"1250 A at 40 °C","Downside connection":"Front Rear","Selectivity category":"Category B","Electrical durability":"3000 cycles 690 V AC 50/60 Hz conforming to EN/IEC 60947-2 3000 cycles 440 V AC 50/60 Hz conforming to EN/IEC 60947-2","Maximum breaking time":"10 ms","Mechanical durability":"25000 cycles with maintenance","Power dissipation in W":"230 W","IK degree of protection":"IK07 conforming to EN 50102","IP degree of protection":"IP3X conforming to EN/IEC 60529","Product or component type":"Circuit breaker","Suitability for isolation":"Yes conforming to EN/IEC 60947-2","Power dissipation per pole":"76.7 W","Temperature derating table":"40 °C ( 1250 A ) 45 °C ( 1250 A ) 50 °C ( 1250 A ) 55 °C ( 1250 A ) 60 °C ( 1250 A ) 65 °C ( 1250 A ) 70 °C ( 1250 A )","Maximum closing response time":"70 ms","[Ui] rated insulation voltage":"1000 V AC 50/60 Hz","[Ue] rated operational voltage":"690 V AC 50/60 Hz","Ambient air temperature for storage":"-40...85 °C","Ambient air temperature for operation":"-25...70 °C","[Uimp] rated impulse withstand voltage":"12 kV","[Icw] rated short-time withstand current":"30 kA 0.5 s 30 kA 1 s 30 kA 3 s","[Icm] rated short-circuit making capacity":"330 kA 220/415 V AC at 50/60 Hz 330 kA 440 V AC at 50/60 Hz 286 kA 525 V AC at 50/60 Hz 220 kA 690 V AC at 50/60 Hz","[Ics] rated service short-circuit breaking capacity":"150 kA at 220/415 V AC 50/60 Hz 150 kA at 440 V AC 50/60 Hz 130 kA at 525 V AC 50/60 Hz 100 kA at 690 V AC 50/60 Hz","Integrated instantaneous protection (DIN in kA peak)":"72...88 kA","[Icu] rated ultimate short-circuit breaking capacity":"150 kA at 220/415 V AC 50/60 Hz 150 kA at 440 V AC 50/60 Hz 130 kA at 525 V AC 50/60 Hz 100 kA at 690 V AC 50/60 Hz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/929da20e7dc531d0e722a27bab5190ed.pdf","sourceUrl":"https://www.se.com/ae/en/product/LV948261/circuit-breaker-frame-masterpact-mtz2-12l1-for-micrologic-active-1250a-150ka-440vac-50-60hz-icu-3p-drawout/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LV948261/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LV948261","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/LV948261 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:21:01.794Z","lastPublished":"2026-09-02T08:21:01.794Z","indexable":true}}