
Images are for reference only. The revision received may differ slightly.
6ES7407-0DA02-4CA0 — Siemens SIMATIC S7-400 PS407 4A Power Supply, 5 V DC/4 A system power supply
$397.00
SKU: 6ES7407-0DA02-4CA0
In stock (10 available)
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In-stock items ship within 48 hours, worldwide via DHL, FedEx or UPS.
Shipping details →30-day returns on unopened parts in original packaging.
Return policy →12-month warranty on every component. Tested before dispatch.
Warranty details →Product Details
Siemens 6ES7407-0DA02-4CA0 — The 6ES7407-0DA02-4CA0 is an original Siemens SIMATIC S7-400 PS407 4 A system power supply with wide-range 120/230 V UC input. It feeds the S7-400 backplane bus with 5 V DC at up to 4 A and offers 20 ms mains buffering for reliable operation. A compact, dependable power module for S7-400 racks in industrial automation and process control.
Key Specifications
- SIMATIC S7-400 system power supply PS407, 4 A rated output
- Wide-range input: 120/230 V UC (88–300 V DC / 85–264 V AC)
- Backplane bus output: 5 V DC / 4 A plus 24 V DC / 0.5 A
- 20 ms mains buffering per NAMUR recommendation
- Optional backup battery (lithium AA 3.6 V) for retentive memory
- Only 25 mm wide – occupies a single S7-400 slot
- Operating temperature 0 °C to +60 °C, CE approved
- China-variant article number (-4CA0), same PS407 4A performance as global version
Ordering
Reference price shown (12% below the lowest public distributor price). Final pricing is confirmed via inquiry — send your target quantity for a formal quotation.
Note: 6ES7407-0DA02-4CA0 is a China-market variant with no public international pricing; the reference price shown is based on its international equivalent 6ES7407-0DA02-0AA0 (12% below lowest public price). Contact us for a formal quotation.
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Documentation
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Request DocumentationFrequently Asked Questions
Is this part genuine?
Yes. Every component we sell is a genuine OEM part, inspected and tested before dispatch.
How fast will my order ship?
In-stock items ship within 48 hours of payment confirmation via DHL, FedEx or UPS, with tracking provided.
What warranty is included?
A 12-month warranty from the date of delivery, covering failures under normal operating conditions.
Can you source obsolete variants of this part?
Yes. Send us the full part number — a nameplate photo helps — and we will confirm availability and lead time.
What Happens Next
- Place your orderor request a quote for volume and obsolete parts.
- We verify & testyour part before it leaves our warehouse.
- Tracked deliveryworldwide within 48 hours for stock items.
What We Check Before Shipping
- ✓ Part number and revision match your order
- ✓ Visual inspection: housing, terminals and labels
- ✓ Functional test on the bench where applicable
- ✓ Firmware / hardware revision verified for controllers
- ✓ Anti-static and shock-proof packaging
Buyer Information
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Calculated at checkout. DDP (duties paid) quotations available on request for international orders.
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