{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7407-0KA01-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7407-0KA01-0AA0","canonicalUrl":"https://aoctrl.com/siemens/6ES7407-0KA01-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7407-0KA01-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-400 PS407 power supply, 6ES7407-0KA01-0AA0, UC 120/230V input, 5V DC/10A output, 2 slots wide, 29.7W typ. power loss.","salesMarkdown":"The Siemens 6ES7407-0KA01-0AA0 is a SIMATIC S7-400 PS407 power supply that takes universal AC (120/230 V) or DC (110/230 V) mains and delivers 10 A at 5 V DC to the backplane bus. The 5 V DC rail is the critical one: 10 A capacity with a 200 mA base load required means the power supply won't start delivering to the backplane until it has that minimum draw. If your S7-400 CPU and I/O configuration pulls less than 200 mA on 5 V, the PS407 won't come up — that's a commissioning trap. The 24 V DC rail is idling-proof, so it can run with no load at all. Typical power loss is 29.7 W, which goes as heat into the enclosure. Active power input typ. 105 W. Mains failure hold-up is 20 ms, which is enough to ride through a brief dip but not a full cycle drop. If your line needs ride-through longer than that, you'll need an external UPS or the optional backup battery (2x lithium AA, 3.6 V / 1.9 Ah) to keep the RAM and real-time clock alive. The part carries FM approval up to 40 °C at T4 for hazardous locations. Mains connection uses 3x 1.5 mm² solid or stranded wire with end sleeve, outer diameter 3 to 9 mm. Equipment protection class I means a protective earth conductor is mandatory — no floating operation. Short-circuit protection is built in, so no external fuse is required on the input, though local code may still demand one. Frequency range is 47 to 63 Hz, covering both 50 and 60 Hz grids globally. Inrush current peaks at 18 A (15x rated input current) for a few cycles — factor that into your mains breaker coordination if multiple supplies power up simultaneously.","metaTitle":"Siemens 6ES7407-0KA01-0AA0 PS407 Power Supply, 10A, UC 120/2","metaDescription":"Siemens SIMATIC S7-400 PS407 power supply, 10A at 5V DC, accepts UC 120/230V. Mature lifecycle. Sourced to order. FM approved T4. 29.7W typ. loss.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Power Supplies"],"specifications":{"Depth":"217 mm","Width":"50 mm","5 V DC":"Yes","Height":"290 mm","24 V DC":"Yes","120 V AC":"Yes","120 V DC":"Yes; Rated value 110 V DC","230 V AC":"Yes","230 V DC":"Yes","FM approval":"Yes; up to 40 °C: T4","Required Slots":"2","Weight, approx.":"1 360 g","lifecycle_stage":"mature","Power loss, typ.":"29.7 W","Primary/Secondary":"Yes","Rated value 50 Hz":"Yes","Rated value 60 Hz":"Yes","Inrush current, max.":"18 A; 15x rated value input current","Rated value at 110 V DC":"1.2 A","Rated value at 120 V AC":"1.2 A","Rated value at 230 V AC":"0.6 A","Rated value at 230 V DC":"0.6 A","Active power input, typ.":"105 W","Short-circuit protection":"Yes","Backup battery (optional)":"Yes; 2x lithium AA; 3.6 V / 1.9 Ah","Equipment protection class":"I, with protective conductor","Permissible Range, Lower Limit":"47 Hz","Permissible Range, Upper Limit":"63 Hz","Design of electrical connection":"3x 1.5 mm², solid or stranded wire with end sleeve, external diameter 3 mm to 9 mm","for backplane bus (5 V DC), max.":"10 A; 200 mA base load required","for backplane bus (24 V DC), max.":"1 A; idling-proof","Mains/voltage failure stored energy time":"20 ms","Mains buffering according to NAMUR recommendation":"Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$317.50 – $563.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=274896&mlfb=6ES7407-0KA01-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7407-0KA01-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What compliance approvals does this power supply carry?","answer":"It carries FM approval up to 40 °C at T4 for hazardous locations. Equipment protection class I requires a protective earth connection. The part also complies with NAMUR mains buffering recommendations."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7407-0KA01-0AA0","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/6ES7407-0KA01-0AA0 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}}