{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LV848266","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LV848266","canonicalUrl":"https://aoctrl.com/schneider/LV848266","factsUrl":"https://aoctrl.com/api/mcp/products/LV848266","rawCanonicalId":null},"summary":{"shortDescription":"Circuit breaker Masterpact MTZ2 12H1 - 1250 A - 4P drawout - w/o Micrologic","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":[],"specifications":{"Depth":"Drawout circuit breaker with chassis: 15.9 in (403 mm) Drawout circuit breaker without chassis: 11.8 in (300 mm)","Range":"MasterPacT","Width":"Drawout circuit breaker with chassis: 21.9 in (556 mm) Drawout circuit breaker without chassis: 19.4 in (493 mm)","Height":"Drawout circuit breaker with chassis: 17.3 in (439 mm) Drawout circuit breaker without chassis: 11.8 in (300 mm)","Standards":"EN/IEC 60947-1 EN/IEC 60947-2 EN/IEC 60947-2 Annex H IEC 61557-12","Control Type":"Push-button","Control unit":"Without control unit","Product name":"MasterPact MTZ2","Mounting Mode":"Drawout","Sensor rating":"630 A 800 A 1000 A 1250 A","lifecycle_stage":"current","Connection pitch":"4.5 in (115 mm)","Mounting Support":"Rails Base plate","Neutral position":"Left","Performance type":"H1 66 kA 415 V AC","Pollution degree":"3 IEC 60947-1","Device short name":"MTZ2 12 H1","Poles description":"4P","Upside connection":"Front Rear","Device Application":"Power distribution protection","Line Rated Current":"1250 A 104 °F (40 °C)","Operating altitude":"0...6561.68 ft (0...2000 m) without derating 2000...5000 m with derating","Downside connection":"Front Rear","Selectivity category":"Category B","Electrical durability":"10000 cycles 440 V AC 50/60 Hz EN/IEC 60947-2 10000 cycles 690 V AC 50/60 Hz EN/IEC 60947-2 AC-23A 10000 cycles 440 V AC 50/60 Hz EN/IEC 60947-3 AC-23A 10000 cycles 690 V AC 50/60 Hz EN/IEC 60947-3 AC-3 6000 cycles 440/690 V AC 50/60 Hz EN/IEC 60947-3","Maximum breaking time":"25 ms","Mechanical durability":"25000 cycles with periodic preventive maintenance","Nbr. of units in pkg.":"1","Power dissipation in W":"230 W","IP degree of protection":"IP30 conforming to EN 60529","Product or Component Type":"Circuit breaker","Suitability for isolation":"Yes EN/IEC 60947-2","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...185 °F (-40...85 °C)","Ambient Air Temperature for Operation":"-13...158 °F (-25...70 °C)","[Ics] rated service breaking capacity":"66 kA 220/415 V AC 50/60 Hz 66 kA 440 V AC 50/60 Hz 66 kA 500/525 V AC 50/60 Hz 66 kA 660/690 V AC 50/60 Hz","[Uimp] rated impulse withstand voltage":"12 kV","[Icw] rated short-time withstand current":"66 kA 0.5 s 66 kA 1 s 36 kA 3 s","[Icm] rated short-circuit making capacity":"145 kA 220/415 V AC 50/60 Hz 145 kA 440 V AC 50/60 Hz 145 kA 500/525 V AC 50/60 Hz 145 kA 660/690 V AC 50/60 Hz","[Icu] rated ultimate short-circuit breaking capacity":"66 kA 220/415 V AC 50/60 Hz 66 kA 440 V AC 50/60 Hz 66 kA 500/525 V AC 50/60 Hz 66 kA 660/690 V AC 50/60 Hz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4,112.64 – $4,318.29","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/ef6bf8c7b4a0d337ac26bddb6182f5d9.pdf","sourceUrl":"https://www.se.com/ie/en/product/LV848266/circuit-breaker-masterpact-mtz2-12h1-1250-a-4p-drawout-w-o-micrologic/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LV848266/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LV848266","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/LV848266 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}}