The Siemens 3RK1911-0BG10 is an ECOFAST motor connection line with seven 1.5 mm² conductors, cut to a 1.5 m length and terminated on one end with a HAN 10E connector — a ready-made cable for wiring a motor to the ECOFAST interface on a Siemens distributed drive or I/O block.
What the cable is for
The ECOFAST system is Siemens' field-attachable connector scheme for motor and sensor cabling in distributed automation — think a motor mounted on a conveyor section, with the cable running back to an ET 200pro or SIMOCODE-DP motor starter. The 3RK1911-0BG10 is the pre-made drop cable for that run: 7-core, 1.5 mm², one end already fitted with the HAN 10E plug so you land it on the motor side and wire the other end into the panel or junction box. Seven conductors at 1.5 mm² means it carries three motor phases plus four auxiliary cores (brake, thermistor, or feedback) — enough for a standard inverter-duty motor with a holding brake or PTC sensor, all in one jacket. No need to run separate brake cable.
Because the lifecycle stage is current, the 3RK1911-0BG10 is not subject to phase-out or last-time-buy windows.