What it is and where it fits
The Siemens 3RK1911-0CD20 is an ECOFAST power supply cable, 7 x 2.5 sqmm, prefabricated at one end with a HAN Q8/0 connector. It's ordered to any length in steps of 10 cm minimum, specified when ordering for lengths under 3 m. This cable feeds power to ECOFAST distribution blocks or I/O modules in a panel, typically routed through a gland plate and terminated at the connector end.
Lifecycle and sourcing reality
Lifecycle stage is current. This order code is the direct fit for a BOM line calling out 3RK1911-0CD20. Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.