Heidenhain MC 420 G2 - IdNr: 517 535-02 CNC Main Computer
Heidenhain MC 420 G2 - IdNr: 517 535-02 CNC Main Computer
Part number 517 535-02
Also written as 51753502·517535-02
1 left in stock
Heidenhain 517 535-02 is an MC 420 G2 main computer unit, the rack-style processing module of a Heidenhain CNC control. It carries the control's processor board and connects to the rest of the system through the numbered X-designator interfaces on its panel, including D-sub, Ethernet, USB and pluggable terminal connections. The label identifies the unit as MC 420 G2, serial number S.Nr. 19 845 515 A, made in Traunreut, Germany. It holds two 2.5" hard disk drives in an internal sub-rack. Check the ID label against your machine's control configuration before ordering. Also searched as 51753502.
Specifications
| Manufacturer | Heidenhain |
| Part number | 517 535-02 |
| Model | MC 420 G2 |
| Serial number | S.Nr. 19 845 515 A |
| Origin | D-83301 Traunreut, Made in Germany |
| Approvals | CE, cULus |
| Form factor | Rack-style sheet-metal enclosure, light grey, horizontal orientation |
| Mounting | Mounting tabs/slots at both ends; Phillips head screws on flat painted faceplate |
| Connector designators | X1 to X165, including X2, X3, X4, X5, X8, X10, X12, X13, X14I, X23, X26, X27, X28, X30, X34, X41, X44, X45, X48, X142, X146, X147, X165 |
| D-sub connectors | Multiple, including 9-pin, 15-pin, 25-pin and 37-pin types |
| Network | RJ45 Ethernet |
| USB | USB type-A port |
| Terminal blocks | Green pluggable screw terminals (4-pin; 3-pin and 2-pin also present) |
| Unused ports | Capped with red protective dust plugs |
| Storage | 2x 2.5" hard disk drives in internal sub-rack, flat ribbon cable |
| Processor | Socketed, under finned aluminum passive heatsink |
| Secondary cooling | Second smaller black heatsink; chassis-mounted cooling fan |
| Memory slots | 2x SO-DIMM-style, unpopulated |
| Internal boards | 312 271-01, 383 318-04, 364 402-xx, 309 670-01, 309 672-0x |
| Internal cable | Ribbon cable marked Heidenhain 312 658-01 |
| Motherboard | Green PCB with interconnected daughterboards on beige ribbon cables |
| Condition | Used-Tested |
| Warranty | 14-30 days depend on the parts |
Condition & testing
Used, tested. Photos show light surface wear, dust and handling marks on the casing, with no visible corrosion or damage. Mounting screws are present and intact. The identification label on the right end panel is partially legible.
Compatibility
Heidenhain MC 420 G2 main computer for Heidenhain CNC controls using the MC 420 hardware.
What's included
1x Heidenhain 517 535-02 MC 420 G2 unit, with the two internal 2.5" hard disk drives as pictured. No cables or accessories.
Before you order
- Match the full ID number 517 535-02 and model MC 420 G2 against your existing unit's label.
- The two internal 2.5" hard disk drives hold software; the data and machine parameters from your old unit are not covered by this listing.
- Both SO-DIMM slots are unpopulated.
- No cables or connectors 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.
Heidenhain MC 420 G2 - IdNr: 517 535-02 CNC Main Computer