The Siemens 3RK1911-0BB10 is a pre-assembled ECOFAST power connection line — 5 conductors, each 4 sqmm, terminated in a HAN Q8/0 + Power T connector at one end, cut to 1.5 metres. It is a ready-to-run cable assembly for distributing power to field devices in a Siemens ECOFAST I/O system, eliminating field-wiring time for the power trunk.
The 5 x 4 sqmm conductor cross-section is sized for the power distribution demands of an ECOFAST field station — 4 sqmm is typical for carrying up to 32 A per conductor in a 24 VDC or 230 VAC trunk, depending on the system configuration. The 1.5 metre length is a standard drop from the power supply or distribution module to the first field station; if your layout requires a longer run, this exact code will not stretch, so verify the cable route before committing the BOM line.
This cable belongs to the Siemens ECOFAST system — a field-distributed I/O architecture used in automotive, material handling, and machine-building lines where power and signal are distributed via a hybrid cable to remote I/O stations. The HAN Q8/0 + Power T connector mates directly to the ECOFAST power distribution module, so the assembly is plug-and-play: no stripping, no crimping, no chance of a loose terminal in a high-vibration panel.