Siemens 3SB03-2MHC1 Motor Protection Relay Module NSMP is a compact protective relay for safeguarding electric motors in industrial control systems. The model 3SB03-2MHC1 identifies this device as a Siemens motor protection relay module intended for panel‑mounted motor protection in industrial electrical installations. This module belongs to Siemens' line of motor protection relays designed to deliver basic protective functions within motor circuits.
