{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SV4346-0MB","brand":"Siemens","brandSlug":"siemens","productSlug":"5SV4346-0MB","canonicalUrl":"https://aoctrl.com/siemens/5SV4346-0MB","factsUrl":"https://aoctrl.com/api/mcp/products/5SV4346-0MB","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SV4346-0MB, 4-pole Type AC RCCB, 63 A rated current, 30 mA residual current, 400 V AC, 10 kA short-circuit current rating, DIN rail mount.","salesMarkdown":"## 4-pole Type AC RCCB for 400 V three-phase circuits The Siemens 5SV4346-0MB is a 4-pole residual current operated circuit breaker (RCCB) from the SENTRON series, rated 63 A with 30 mA residual sensitivity for Type AC waveforms at 400 V AC. The 30 mA trip threshold covers personnel protection (indirect contact) per IEC 61008-1; the 63 A continuous rating matches the main incomer or subfeed on a three-phase panel. Depth is 70 mm, matching the standard SENTRON RCCB envelope.","metaTitle":"Siemens 5SV4346-0MB SENTRON RCCB 4P 63A 30mA Type AC 400V","metaDescription":"Siemens 5SV4346-0MB SENTRON RCCB, 4-pole, Type AC, 63 A rated current, 30 mA residual sensitivity, 400 V AC, 10 kA SCCR. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"70 mm","Width":"72 mm","Height":"90 mm","Maximum":"45 °C","Minimum":"-25 °C","Grid Spacing":"60 mm","Number Of Poles":"4","lifecycle_stage":"current","Fastening Method":"DIN rail (REG)","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Product Designation":"RCCB","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Design Of The Product":"Instantaneous","Product Feature Silicon-Free":"Yes","Short-Circuit Current Rating":"10 kA","Number Of Modular Width Units":"4","Position Of Power Supply Cord":"top or bottom","according to IEC 61008-1 rated value":"0.8 kA","Switching Function Short-Term Delayed":"No","Value Range Of The Operating Frequency":"60 Hz","value range of the supply voltage at AC":"400 V","Ambient Temperature During Storage Minimum":"-40 °C","Value Range Of The Supply Voltage Frequency":"60 Hz","Supply Voltage For Testing Equipment Minimum":"100 V","Mechanical Service Life (Operating Cycles) Typical":"10 000","Product Extension Installable Supplementary Devices":"Yes","Short-Circuit Current Of Series Fuse Maximum Permissible":"100 A","for rated value of the current at AC in hot operating state per pole":"3.9 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$73.66","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/123f84553a8a3025eba30e82a74cf0e1.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=906810&mlfb=5SV4346-0MB","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SV4346-0MB/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 5SV4346-0MB and get current pricing?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for the latest commercial terms."},{"question":"What is the 5SV4346-0MB used for?","answer":"It is a 4-pole Type AC residual current circuit breaker (RCCB) for 400 V three-phase circuits, rated 63 A with 30 mA residual sensitivity. It provides earth leakage protection for personnel and equipment in distribution boards, typically as an incoming or subfeed device."},{"question":"What compliance documentation does Siemens provide for the 5SV4346-0MB?","answer":"The 5SV4346-0MB is designed according to IEC 61008-1 for RCCBs. It is rated for overvoltage category III and carries a silicon-free construction. The product is part of the SENTRON series with standard Siemens documentation including the datasheet and declaration of conformity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SV4346-0MB","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/5SV4346-0MB 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}}