Further information for Siemens 3RA2921-1B - connection component Screw
Connection module for electrical and mechanical screw connection for 3RV2.1/3RV2.2 and 3RT2.2 DC operation or 3RW3 soft starter or 3RF34 solid-state contactor (multi-unit packaging) Simple, efficient, always up-to-date - the SIRIUS modular system.