The Siemens 3RK1911-0BG20 is a pre-assembled ECOFAST motor connection cable, 7 x 1.5 sqmm, 3m length, with a HAN 10E connector on one end. It connects the ECOFAST distribution box to the motor without field-wiring the connector.
The lifecycle stage is current, meaning this order code remains in active Siemens production and distribution. No last-time-buy or phase-out notice exists.
The 7 x 1.5 sqmm conductor count and cross-section are the key fit parameters. 1.5 sqmm is sized for motor currents up to roughly 16 A (standard 4 kW motor on 400 V three-phase). The 7 cores cover three phases, PE, and two auxiliary circuits — typically a PTC thermistor chain and a brake coil. The single-side HAN 10E connector mates directly to the ECOFAST distribution box; the other end is unterminated (flying leads) for the motor terminal box. The 3m length suits a compact machine cell; if the run is longer, the 5m or 10m variants in the same family are the natural step-up.