Siemens 6FC5203-0AF20-0AA1 is the SINUMERIK KB 483C full CNC keyboard for convenient program and text entry at SINUMERIK 840D sl operator stations. The 19-inch unit uses a fixed standard/US QWERTY layout with 78 mechanical short-stroke keys, dedicated alphabetic, numeric and cursor blocks, plus CNC function hotkeys for rapid operating-area selection. It connects through USB 1.1 Type B and includes a 1.5-meter connecting cable and rear mounting clamps. Before replacement, verify the complete order number, panel cutout, USB hub power, cable route, control compatibility, mounting hardware, environmental limits and readable label photographs.
Format: 19-inch keyboard
Keys: 78 mechanical keys
Interface: USB 1.1 Type B
System: SINUMERIK 840D sl
| Product Condition | Original new |
| Availability | In stock |
| Official Lifecycle | Product Cancellation; effective October 1, 2025 |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping options available |
Condition, availability and warranty are Stockoems commercial information, not manufacturer commitments.
| Manufacturer | Siemens |
| Complete Part Number | 6FC5203-0AF20-0AA1 |
| Product Type | SINUMERIK KB 483C full CNC keyboard |
| Keyboard Layout | Standard/US QWERTY, fixed layout |
| Keys | 78 mechanical short-stroke keys |
| Interface | 1 × USB 1.1 Type B to a self-powered USB hub |
| DC Supply Voltage | 5.25 V |
| Power Consumption | 0.4 W |
| Maximum Transmission Distance | 3 m to NCU/PCU |
| Ingress Protection | Front IP54; rear IP00 |
| Operating Temperature | Front 0 to 45°C; rear 0 to 55°C |
| Storage / Transport Temperature | Storage -25 to +55°C; transport -40 to +70°C |
| Dimensions | 483 × 133 × 31 mm |
| Panel Cutout | 450 × 112.5 mm |
| Net Weight | 1.3 kg |
| Included Connection Cable | 1.5 m |
| System Integration | SINUMERIK 840D sl |
| Certification | CE |
| Country of Origin | GERMANY |
| System Fit | SINUMERIK 840D sl operator stations using the required powered USB interface. |
| Operator Use | Program and text entry, cursor control, numeric input and CNC operating-area selection. |
| Maintenance Use | Replacement of an installed KB 483C after mechanical, electrical and project checks. |
Siemens lists 6FC5203-0AF20-0AA1 under Product Cancellation, effective October 1, 2025. This wording is retained exactly and should not be simplified to a generic discontinued statement. Procurement should include a system-level replacement review for the installed SINUMERIK 840D sl operator station.
It identifies the Siemens SINUMERIK KB 483C 19-inch full CNC keyboard with mechanical keys and a 1.5-meter connection cable.
Siemens states Product Cancellation, effective October 1, 2025.
It uses one USB 1.1 Type B connection to a USB hub with its own power supply.
The keyboard is 483 × 133 × 31 mm and requires a 450 × 112.5 mm panel cutout.
No. Verify the complete order code, physical cutout, USB connection, key mapping, control hardware and project configuration.
Yes. Request front, rear, nameplate, connector, mounting-hardware and packaging photographs for review.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
Structured checks support product identification, compatibility review, condition evidence and international order coordination.
The complete model, system fit, interface, mounting dimensions and project requirements are checked before procurement decisions.
Available product, label, connector and packaging photographs support model and visible-condition confirmation.
Protective packaging, shipping documents, customs information and shipment tracking are coordinated after order review.
| Before Order | Model and suffix verification, compatibility review, condition confirmation and product or label photo support. |
| Order Processing | Protective packaging, worldwide shipping options, shipment tracking and customs documentation support. |
| After Delivery | Written warranty terms, return authorization procedures and responsive after-sales coordination. |
Yes. Available inspection views can support complete-model, connector, mounting and visible-condition review.
Provide the installed system, interface, mounting details and project information with the inquiry.
Provide quantity, destination country and relevant customs or delivery requirements.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
