Siemens KMC2 Main Contacts for Size 2 RQ21 are the primary current-carrying contact assembly used with Siemens RQ21 size-2 contactors. They provide the main contact path inside the switching unit, enabling the load to be connected and disconnected as the contactor operates. This KMC2 configuration is specifically matched to Size 2 RQ21 devices, ensuring proper fit and electrical compatibility with Siemens equipment.
