What lands on the BOM line
The ABB 1SAZ211201R1005 is a solid-state overload relay carrying the 0.10–0.16 A current setting window, which is the figure that actually decides whether the relay fits the motor full-load amps on the panel schedule. It sits inside the protection stack as a solid-state overload relay, so the wiring convention is the same as the rest of the ABB electronic overload family: pass the motor conductors through the integral CT window and land the control terminals on the contactor coil string.
Current setting and what it means for fit
A 0.10–0.16 A range covers fractional-horsepower motors — typically sub-100 W three-phase or single-phase motors where the FLA sits in the low end of the scale — so the relay only fits that FLA band and not larger motors on the same panel.