
Images are for reference only. The revision received may differ slightly.
6ES7407-0KR02-4CA0 — Siemens SIMATIC S7-400 PS407 10A Redundant Power Supply, 5 V DC/10 A, redundancy-capable
$1,232.00
SKU: 6ES7407-0KR02-4CA0
In stock (10 available)
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- ✓ 12-month warranty included
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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 6ES7407-0KR02-4CA0 — The 6ES7407-0KR02-4CA0 is a genuine Siemens SIMATIC S7-400 PS407 10 A redundant power supply for fault-tolerant automation systems. With wide-range 120/230 V UC input and 10 A output on the 5 V backplane bus, it is built for redundant S7-400H configurations. A trusted choice for high-availability process control and critical manufacturing lines.
Key Specifications
- SIMATIC S7-400 power supply PS407, 10 A rated output, redundancy-capable (R version)
- Wide-range input: 120/230 V UC (88–300 V DC / 85–264 V AC)
- Backplane bus output: 5 V DC / 10 A plus 24 V DC / 1 A
- Designed for redundant power configurations in S7-400H systems
- 20 ms mains buffering per NAMUR recommendation
- Optional backup battery support for CPU memory retention
- 50 mm wide (2 slots), operating temperature 0 °C to +60 °C
- China-variant article number (-4CA0), identical PS407 10A R performance
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: 6ES7407-0KR02-4CA0 is a China-market variant with no public international pricing; the reference price shown is based on its international equivalent 6ES7407-0KR02-0AA0 (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.
Ordering 5+ units? Send your BOM via the quote form for tiered volume pricing.
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