What it is and what it does
The Siemens 3RT1016-1BE41-ZW98 is a 3-pole contactor in the SIRIUS family, size S00, with a DC 60 V coil and screw terminals. Its AC-3 rating of 4 kW at 400 V means it is sized for switching three-phase induction motors up to that load — typical for small conveyors, pumps, or fans in a control panel. The 1 NO auxiliary contact is built in, so for basic feedback or a holding circuit you don't need a separate side-mount block. The DC coil holds in at 60 V nominal; verify your control supply stays within the coil operating range, especially if the line sees voltage drop under heavy load.
Panel integration notes
Size S00 snaps onto a DIN rail (35 mm) and fits the standard SIRIUS footprint. Screw terminals accept up to 4 mm² stranded or solid — strip length 8 mm, torque to the value on the terminal marking. The multi-unit packing (20 pieces, 2×1 layers) is aimed at panel builders or OEMs who burn through these in batches; for a single replacement, order one piece individually.