{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK4353-3MR58-0BA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK4353-3MR58-0BA0","canonicalUrl":"https://aoctrl.com/siemens/3RK4353-3MR58-0BA0","factsUrl":"https://aoctrl.com/api/mcp/products/3RK4353-3MR58-0BA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RK4353-3MR58-0BA0 direct motor starter, MCU controlled on site, 8 A at 400 V AC-3, CLASS 10 bimetal overload, IP55, 145 x 182 x 220 mm.","salesMarkdown":"## 145 x 182 x 220 mm — panel fit and mounting The 3RK4353-3MR58-0BA0: This SIRIUS direct starter measures 145 mm deep, 182 mm wide, and 220 mm high — the footprint fits a standard DIN-rail enclosure with enough side clearance for the 3-pole main circuit. IP55 rating means the housing is dust-protected and resists water jets — suitable for washdown areas in food processing or outdoor cabinets under eaves. ## 8 A AC-3, CLASS 10 — motor duty and overload protection Operating voltage range is 340...440 V AC, covering nominal 400 V three-phase supplies with tolerance for brownout conditions. ## Standalone control — no fieldbus, one digital input This is a locally controlled starter: no PROFINET, PROFIBUS, AS-Interface, or other bus communication — the single digital input handles start/stop from a local pushbutton or PLC dry contact. The MCU-controlled on-site logic allows basic motor management without a network connection — set the parameters locally and it runs independently. Operating frequency is limited to 80 starts per hour — fine for conveyor or pump duty but not for high-cycling applications like rapid indexing. ## Active production — sourcing and compliance Short-circuit protection is designed for coordination with upstream circuit-breakers — the starter itself includes short-circuit protection as a built-in function.","metaTitle":"Siemens 3RK4353-3MR58-0BA0 SIRIUS Motor Starter, 8 A","metaDescription":"Siemens 3RK4353-3MR58-0BA0 SIRIUS motor starter, 8 A at 400 V AC-3, CLASS 10 bimetal overload, IP55, 145x182x220 mm. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"145 mm","Width":"182 mm","title":"3RK4353-3MR58-0BA0","Height":"220 mm","Trip Class":"CLASS 10","description":"SIRIUS MCU motor starter Enclosure degree of protection IP55 plastic Communication without electromechanically switching Short-circuit protection with circuit breaker DOL starter Brake without Performance class 8 A Motor circuit breaker with bi-metal thermal Manual operation latching Connection power M screw connection Electrical wholesale version","Type Of Voltage":"AC","lifecycle_stage":"current","Bus Communication":"No","Mounting Position":"+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface","PROFINET protocol":"No","Product Brand Name":"SIRIUS","Type Of Assignment":"1","Product Designation":"motor starter MCU controlled on site","protection class IP":"IP55","PROFIBUS DP protocol":"No","at 50 Hz rated value":"184 ... 253 V","at 60 Hz rated value":"196 ... 253 V","Design Of The Product":"direct starter","Number Of Digital Inputs":"1","Short Circuit Protection":"Yes","at AC at 400 V rated value":"8 A","brake control with 24 V DC":"No","Operating Frequency Minimum":"80 1/h","brake control with 180 V DC":"No","brake control with 400 V AC":"No","brake control with 500 V DC":"No","Type Of The Motor Protection":"bimetal","at AC-3 at 400 V rated value":"8 A","Operating Voltage Rated Value":"340 ... 440 V","Substance Prohibitance (Date)":"05/01/2012","Design Of The Switching Contact":"electromechanical","Operating Frequency 1 Rated Value":"50 Hz","Operating Frequency 2 Rated Value":"60 Hz","Design Of Short-Circuit Protection":"circuit-breakers","Ambient Temperature During Operation":"-25 ... +35 °C","Product Component Motor Brake Output":"No","Type Of Voltage Of The Supply Voltage":"AC","reference code according to IEC 81346-2":"Q","Number Of Poles For Main Current Circuit":"3","with low demand rate according to SN 31920":"50 %","protocol is supported AS-Interface protocol":"No","with high demand rate according to SN 31920":"75 %","operating power at AC-3 at 400 V rated value":"3 kW","Product Extension Braking Module For Brake Control":"No","Relative Negative Tolerance Of The Operating Frequency":"-10 %","Relative Positive Tolerance Of The Operating Frequency":"10 %","Type Of Electrical Connection For Main Current Circuit":"screw-type terminals","Supply Voltage Frequency For Auxiliary And Control Circuit Rated Value":"50 ... 60 Hz","breaking capacity maximum short-circuit current (Icu) at 400 V rated value":"50 000 A","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"5.5 ... 8 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f014fbc575ac03dce5962466ebe35667.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=374250&mlfb=3RK4353-3MR58-0BA0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK4353-3MR58-0BA0","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/3RK4353-3MR58-0BA0 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}}