What this cable is
The Siemens 3RK1911-0CR21 is an ECOFAST subsegment cable, 5 x 4 sqmm, up to 3m long, preassembled at both ends with a HAN Q4/2 connector on the supply side and a HAN Q8 connector on the load side.
What it connects
The HAN Q4/2 supply-side connector mates with the ECOFAST infrastructure connector on the power distribution module; the HAN Q8 load-side connector feeds the motor or actuator subsegment. Both ends are factory-terminated — no field wiring of the 4 sqmm conductors.