Siemens 6EW1811-8AA (A5E00079830) Modular Power Supply Unit
Siemens 6EW1811-8AA (A5E00079830) Modular Power Supply Unit
1 left in stock
The Siemens 6EW1811-8AA (A5E00079830) is a modular DC power supply designed for industrial control systems requiring multiple regulated voltage rails. This unit converts a 24VDC input into five separate outputs: +3.3V at 4.2A, +5V at 10A, +12V at 1.7A, -12V at 0.25A, and +18V at 0.08A. Commonly used in SIMATIC and SINUMERIK control cabinets, the 6EW1811-8AA provides stable power for logic boards, I/O modules, and peripheral devices in CNC and automation applications. Also searched as 6EW18118AA.
Specifications
| Part Number | 6EW1811-8AA |
| Alternate Part Number | A5E00079830 |
| Manufacturer | Siemens |
| Product Type | Modular Power Supply |
| Input Voltage | DC 24V |
| Input Current | 5.5A |
| Output +3.3V | 4.2A |
| Output +5V | 10A |
| Output +12V | 1.7A |
| Output -12V | 0.25A |
| Output +18V | 0.08A |
| Factory Number | S Q6P2392763 |
| Warranty | 14-30 days depend on the parts |
Condition & testing
This unit was pulled from a working system and carries a SIEMENS/TESTED label, indicating functional verification. All voltage rails were powered and measured under load: +3.3V, +5V, +12V, -12V, and +18V outputs confirmed stable within tolerance. Input circuit drew rated current from a 24VDC bench supply without fault. Housing shows light industrial wear consistent with cabinet mounting; no damage to connectors or terminals.
Compatibility
Please contact us to confirm compatibility with your configuration.
What's included
Power supply unit only
Compatible & Related
FAQs
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What payment methods can I use?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and bank transfers for B2B orders. For large industrial orders, we also offer invoice payment with NET-30 terms for verified business customers.
Are the parts on your website tested and genuine?
Yes. Every part sold by Samonde is professionally tested by our technicians in Tallinn before shipping. We source directly from decommissioned industrial equipment, authorized distributors, and certified surplus stock. Each item comes with a functionality warranty.
Do you offer warranties on industrial spare parts?
Absolutely. All parts come with a minimum 14-30 day warranty. Many items, especially Siemens and Heidenhain components may have include extended 90-day coverage (depends on the parts). If a part fails during the warranty period, we offer replacement or full refund.
Can you source a part that is out of stock?
Yes. If you need a specific Siemens, Heidenhain, Fanuc, or other industrial part that is currently out of stock, contact us with the part number. Our sourcing team across Europe can usually locate hard-to-find automation components within 5-10 business days.
How do I know I'm ordering the correct part for my machine?
Each product listing includes the exact manufacturer part number (MPN), compatibility notes, and photos of the actual item. If you are unsure, send us your machine model and part number via the Contact page or WhatsApp, and our engineers will verify compatibility before you purchase.
Do you ship internationally outside the EU?
Yes. Samonde ships worldwide from our EU warehouse. We offer UPS and DHL Express and standard freight options to North America, Asia, Middle East, and South America. All shipments include tracking and customs documentation.
Siemens 6EW1811-8AA (A5E00079830) Modular Power Supply Unit