Industrial 1SA M45 0000 R1007 Motor Starter

ABB MS450-50 Manual Motor Starter, order code 1SAM450000R1007, is a 50 A variant in ABB's MS450 family designed to start and protect 3‑phase motors in industrial control panels. It combines a manually operated switch with thermal overload protection to guard motors against overloads and electrical faults. The MS450 line is used for motor protection and control within ABB's protection and control ecosystem, and the 50 A variant fits medium‑duty motor applications. According to ABB catalogs, MS450 models accommodate a range of voltages and configurations, including line‑to‑line ratings of 480 V and 600 V and, for suitable wiring schemes, 480Y/277 V or 600Y/347 V. The 1SAM450000R1007 designation identifies the MS450-50 model in ABB's order‑coding system. This device is intended for use in industrial equipment such as pumps, fans, conveyors, and other machines where reliable motor starting and overload protection are required, and it can be integrated into larger motor protection schemes with compatible accessories and enclosures.