ABB MO165-73 manual motor starter magnetic only (motor protector), order code 1SAM461000R1018. Rated operational current 73 A; rated motor power 37 kW at 400 V AC (AC-3). Three-pole fuseless device with an electromagnetic (instantaneous) short-circuit release only — it has no thermal overload release, so it is combined with a separate overload relay or motor controller for full motor protection. Rated instantaneous short-circuit release setting Ii 1022 A; rated service short-circuit breaking capacity Ics 30 kA at 400 V AC. Built-in disconnect function, trip-free mechanism, ON/OFF/TRIP indication and lockable rotary handle. Rated operational voltage up to 690 V AC, IP20, 55 mm width, DIN-rail or screw mounting. Part of the ABB MS116/MS132/MS165/MO132/MO165 manual-motor-starter range. Supplied as OEM original where available, or a verified compatible equivalent.