6RA2418-6DS21-0，西门子直流调速

6RA2881-6DV61-0，西门子自控产品

6RA2830-6DV61-0，西门子自动化产品

6RA2818-6DV61-0，西门子软启动

6RA2881-6DS21-0，西门子编程控制器

6RA2875-6DS21-0，西门子变频模块

6RA2828-6DS21-0，西门子调速变频

6RA2825-6DS21-0，西门子伺服模块

6RA2832-6DV61-0，西门子伺服模块

6RA2825-6DV61-0，西门子变频模块