Siemens 6FC5247-0AA00-0AA2 SINUMERIK 840D NCU Box
Product Description
6FC5247-0AA00-0AA2 is an NCU enclosure for specified SINUMERIK 840D/DE NCU generations, supplied with its power unit, battery and fan assembly.
Original NCU box with power unit, battery and fan; discontinued. Official successor NCU enclosure listed by Siemens. Successor status does not remove the need to verify NCU generation, connectors and machine service procedure.
Technical Specifications
- Product family
- SINUMERIK 840D/DE
- Exact order number
- 6FC5247-0AA00-0AA2
- Product type
- NCU box
- Supported role
- Housing for listed NCU 561/571/572/573 generations
- Included components
- Power unit, battery and fan
- Rating-plate example
- NCU-BOX 13A
- Electrical marking
- AC 57 V, +5%/−10%, 20 kHz on documented example
- Net weight
- 3.2 kg
- Lifecycle
- Discontinued
- Lifecycle effective
- 6 July 2004
- Official successor
- 6FC5247-0AA00-0AA3
NCU Installation Boundary
Original and Official Successor
Original NCU box with power unit, battery and fan; discontinued.
Official successor NCU enclosure listed by Siemens.
Successor status does not remove the need to verify NCU generation, connectors and machine service procedure.
FAQ
Which NCU generations are relevant to 6FC5247-0AA00-0AA2?
The Siemens product description lists specified NCU 561, 571, 572 and 573 generations; confirm the exact installed NCU and version.
Is 6FC5247-0AA00-0AA2 only an empty metal enclosure?
No. Siemens describes the NCU box with power unit, battery and fan. Inspect all three auxiliary assemblies.
What rating-plate details should be copied during service for 6FC5247-0AA00-0AA2?
Record the complete MLFB, component number, electrical marking and printed version from the NCU-box label.
What official successor does Siemens list for 6FC5247-0AA00-0AA2?
The Industry Mall identifies 6FC5247-0AA00-0AA3 as the successor to the discontinued 0AA2 order.
Does successor status guarantee a direct plug-in exchange for 6FC5247-0AA00-0AA2?
No. Verify NCU generation, power connection, enclosure interfaces, software state and the machine-specific service procedure.
Why should the fan and battery be included in preventive maintenance for 6FC5247-0AA00-0AA2?
They support cooling and retained-data operation; inspect condition and document service intervals instead of treating the box as passive hardware.
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