Siemens 6ES5951-7LD21 SIMATIC S5 Power Supply 5 V DC 7/15 A
Siemens 6ES5951-7LD21 SIMATIC S5 Power Supply 5 V DC 7/15 A
Part number 6ES5951-7LD21
Also written as 6ES59517LD21·6ES5 951-7LD21
Niedriger Lagerbestand: 1 verbleibend
The Siemens 6ES5951-7LD21 is a SIMATIC S5 power supply (Stromversorgung) that converts 120/230 V AC mains into regulated DC rails for an S5 programmable controller rack. The rating plate shows three outputs: 5 V DC at 7/15 A, 5.2 V at 2.5 A and 24 V at 0.35 A. The input is selectable between 120 V and 230 V AC. Maximum operating temperature is 55 °C. The unit is marked DIN 41752 E230G5/15WRGD and was made in Austria. Also searched as 6ES59517LD21.
Specifications
| Manufacturer | Siemens |
| Part number | 6ES5951-7LD21 |
| Product line | SIMATIC S5 |
| Type | Power supply (Stromversorgung) |
| Input voltage | AC 120/230 V |
| Output 1 | DC 5 V, 7/15 A |
| Output 2 | 5.2 V, 2.5 A |
| Output 3 | 24 V, 0.35 A |
| Max. operating temperature | 55 °C |
| Designation on plate | DIN 41752 E230G5/15WRGD |
| Country of origin | Austria |
| Condition | Used |
| Warranty | 14-30 days depend on the parts |
Condition & testing
Used. Unit only, as shown in the photos, with its rating plate legible.
Compatibility
SIMATIC S5 programmable controller systems (per rating plate marking).
What's included
Unit only
Before you order
- Set the 120/230 V AC input selection to match your mains supply before powering the unit.
- Check that the 5 V DC 7/15 A, 5.2 V 2.5 A and 24 V 0.35 A outputs match the load of your S5 rack.
- Unit only: no cables, connectors or mounting accessories are included.
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 6ES5951-7LD21 SIMATIC S5 Power Supply 5 V DC 7/15 A