S7-400 | PS 407 20A
Siemens 6ES7407-0RA01-0AA0 is the PS 407 20A power supply module described in the official S7-400 module-data manual. Siemens identifies AC or DC mains connection and secondary supplies of 5 V DC at 20 A and 24 V DC at 1 A for this exact order number. For spare-part procurement, match the complete suffix, rack arrangement, power connection and installed module label before treating another PS 407 variant as equivalent. Stockoems states Original new condition, In stock availability and With 1 year warranty as its own commercial terms rather than manufacturer commitments. Packaging, shipping and customs documentation are coordinated for the confirmed destination.
Condition, availability and warranty are Stockoems commercial information, not manufacturer promises.
The PS 407 20A accepts AC or DC mains and supplies documented 5 V DC and 24 V DC secondary voltages to the S7-400 rack. Match power connection and rack arrangement before replacement.
Verify the full 6ES7407-0RA01-0AA0 suffix, rack location, mains connection, power wiring and installed module revision from label photos and plant documentation. Another PS 407 variant is not a confirmed substitute.
What is 6ES7407-0RA01-0AA0?
It is a SIMATIC S7-400 PS 407 20A power supply module.
What 5 V DC output is documented?
The Siemens module-data manual specifies 5 V DC at 20 A.
What 24 V DC output is documented?
Siemens specifies 24 V DC at 1 A for this code.
What mains connection is documented?
The manual identifies AC or DC mains connection.
What should be checked before purchase?
Match the full suffix, rack arrangement, mains wiring and installed module label.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
Our team coordinates spare-part procurement from part-number checking through after-sales communication. We review the complete suffix and product label before discussing condition, compatibility and shipping with the buyer. Availability and delivery arrangements are checked for each request rather than expressed as a fixed quantity or lead time.
Stockoems combines label review, condition communication, packaging handling and document preparation in one procurement workflow. Technical staff can review the buyer's compatibility requirements before an order is finalized.
What should direct users check?
Ask for the exact model and suffix, condition statement, product-label photos and written warranty terms. Compare these with the installed equipment.
What should procurement teams check?
Request a clear quotation scope, documented shipping and customs support, traceable communication and a stated return authorization process.
What should engineers check?
Verify rack position, mains connection and power distribution from plant documentation. A supplier should not present a similar part as interchangeable without technical review.
What are warning signs?
Missing suffixes, mismatched label photos, unsupported compatibility claims, vague warranty language or promises of specific stock and delivery without confirmation.
Share the complete part number, quantity, destination and label photos for a condition and compatibility review.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
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Email: sales6@apterpower.com
WhatsApp: +86 18159889985
