{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6EP4346-7RB00-0AX0","brand":"Siemens","brandSlug":"siemens","productSlug":"6EP4346-7RB00-0AX0","canonicalUrl":"https://aoctrl.com/siemens/6EP4346-7RB00-0AX0","factsUrl":"https://aoctrl.com/api/mcp/products/6EP4346-7RB00-0AX0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SITOP DC-DC converter, 6EP4346-7RB00-0AX0, 20 A rated output, 24 V DC controlled output voltage, 97.5% efficiency, DIN rail mount, push-in terminals.","salesMarkdown":"## DC-DC Converter, 20 A — Panel Fit and Sourcing The Siemens 6EP4346-7RB00-0AX0 is a DC-DC converter that takes a 10 to 58 V DC input and delivers a controlled 24 V DC output at up to 20 A. That 20 A rating is the headline number for sizing — it tells you the continuous current the converter can supply to a 24 V DC bus feeding PLCs, sensors, relays, and small valve banks. Efficiency runs at 97.5 %, which means less heat to manage inside a sealed enclosure. The enclosure measures 35 mm wide by 125 mm deep by 135 mm high, fitting a single-module width on the rail. ## Termination and Approvals Push-in terminals accept 0.2 to 10 mm² wire on both input and output sides — solid or ferruled stranded. That covers most panel wiring from signal-level to 20 A power runs without needing ring lugs or bootlace ferrules for the larger sizes. The converter carries cULus listing under UL 508 and CSA C22.2 No. 107.1 (File E197259), plus separate CSA C22.2 No. 62368-1 approval. CE marking is present. ## Clearance and Compliance Notes Required clearance above and below the unit is 45 mm each side for natural convection airflow; left and right clearance is 0 mm, so units can be mounted side-by-side without derating for thermal stacking. Emitted interference meets EN 61000-6-3 (residential/commercial/light-industrial environment); immunity meets EN 61000-6-2 (industrial environment). No ATEX, IECEx, or Class I Division 2 hazardous-location approvals — keep this in general-purpose panels only. MTBF at 40 °C is 8,100,000 hours — roughly 925 years continuous operation. That figure is calculated per Telcordia standards at 40 °C ambient, so it is a reliability benchmark for the design, not a warranty or service-life guarantee.","metaTitle":"Siemens 6EP4346-7RB00-0AX0 DC-DC Converter, 20 A, 24 V Outpu","metaDescription":"Siemens 6EP4346-7RB00-0AX0 DC-DC converter, 20 A rated output at 24 V DC, 97.5% efficiency. UL 508 listed, DIN rail mount. Available to order, quoted on request.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["DIN Rail Power Supplies"],"specifications":{"Top":"45 mm","ATEX":"No","Left":"0 mm","IECEx":"No","Right":"0 mm","at DC":"10 ... 58 V","title":"6EP4346-7RB00-0AX0","Bottom":"45 mm","DNV GL":"No","At Input":"In1, In2: each for 0.2 ... 10 mm²","At Output":"Out1: 0.2 ... 10 mm²","CE marking":"Yes","NEC Class 2":"No","Rated Value":"20 A","UL approval":"Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259","description":"SITOP RED1200 redundancy module Input/output: 24/48 V DC/20 A Suitable for decoupling two SITOP power supplies with max. 10 A output current each","CSA approval":"Yes; CSA C22.2 No. 62368-1","During Storage":"-40 ... +85 °C","MTBF at 40 °C":"8 100 000 h","FM registration":"No","lifecycle_stage":"current","During Operation":"-30 ... +70 °C; with natural convection","During Transport":"-40 ... +85 °C","Fastening Method":"Snaps onto DIN rail EN 60715 35x7.5/15","Number Of Outputs":"1","Other Information":"Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)","ULhazloc approval":"No","protection class IP":"IP20","Bridging Of Equipment":"No","Efficiency In Percent":"97.5 %","Depth Of The Enclosure":"125 mm","Width Of The Enclosure":"35 mm","Height Of The Enclosure":"135 mm","Voltage Curve At Output":"Controlled DC voltage","For Emitted Interference":"EN 61000-6-3","Nippon Kaiji Kyokai (NK)":"No","For Interference Immunity":"EN 61000-6-2","Formula For Output Voltage":"Vin - approx. 0.6 V","cCSAus, Class 1, Division 2":"No","Type Of Electrical Connection":"Push-in terminals","at output 1 at DC rated value":"24 V","During NO-Load Operation Maximum":"0.1 W","Type Of The Power Supply Network":"DC voltage","output voltage at DC rated value":"24 V","Lloyds Register of Shipping (LRS)":"No","Operating Resource Protection Class":"Class III","French marine classification society (BV)":"No","Product Function Output Voltage Adjustable":"No","Galvanic Isolation Between Input And Output":"No","American Bureau of Shipping Europe Ltd. (ABS)":"No","environmental category according to IEC 60721":"Climate class 3K3, 5 … 95% no condensation","Product Feature Of The Enclosure Housing Can Be Lined Up":"Yes","At Rated Output Voltage For Rated Value Of The Output Current Typical":"12 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$60.96","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f84eb4cf0c2f154ce8b4f99084bf653c.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1353676&mlfb=6EP4346-7RB00-0AX0"},"ai":{"faq":[{"question":"What is the output voltage and current rating of this DC-DC converter?","answer":"It delivers a controlled 24 V DC output at up to 20 A continuous, from a 10 to 58 V DC input."},{"question":"What approvals does this part carry?","answer":"It carries cULus listing (UL 508, CSA C22.2 No. 107.1), CSA C22.2 No. 62368-1, and CE marking. No ATEX, IECEx, or hazardous-location approvals."},{"question":"Where can I buy 6EP4346-7RB00-0AX0 and how is it quoted?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock figures or prices are listed here."},{"question":"What clearance is needed around this converter for cooling?","answer":"45 mm clearance above and below for natural convection; 0 mm left and right, so units can be mounted side-by-side."},{"question":"Does 6EP4346-7RB00-0AX0 replace or cross to 5SY6010-6KL?","answer":"No — 5SY6010-6KL is a miniature circuit breaker, not a DC-DC converter. These are different product classes and are not functional substitutes."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6EP4346-7RB00-0AX0","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/6EP4346-7RB00-0AX0 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}}