西门子3RF系列固态设备主要分为：固态接触器和固态继电器两大类。
3RF固态继电器不带散热器，必须安装在合适的散热器上才能达到样本上描述的额定电流，分3RF20.3RF21.3RF22三个系列：
3RF20：单相控制，宽度为45毫米
3RF21：单相控制，宽度为22.5毫米
3RF22：三相控制，宽度为45毫米
3RF固态接触器带散热器，直接导轨安装就能达到样本上的描述额定电流，分3RF23，3RF24系列
3RF23：单相控制
3RF24：三相控制
3RF2020-1AA02
3RF2020-1AA04
3RF2020-1AA22
3RF2020-1AA24
3RF2020-1AA42
3RF2020-1AA45
3RF2030-1AA02
3RF2030-1AA04
3RF2030-1AA06
3RF2030-1AA22
3RF2030-1AA24
3RF2030-1AA26
3RF2030-1AA42
3RF2030-1BA04
3RF2030-1BA04-0WF0
3RF2050-1AA02
3RF2050-1AA04
3RF2050-1AA04-0WF0
3RF2050-1AA06
3RF2050-1AA22
3RF2050-1AA24
3RF2050-1AA26
3RF2050-1AA44
3RF2050-1AA45
3RF2050-4AA02
3RF2070-1AA02
3RF2070-1AA04
3RF2070-1AA04-0WF0
3RF2070-1AA06
3RF2070-1AA22
3RF2070-1AA24
3RF2070-1AA26
3RF2070-1AA45
3RF2071-1AA45-1KP0
3RF2071-1AA45-1KP0-ZX95
3RF2090-1AA02
3RF2090-1AA04
3RF2090-1AA06
3RF2090-1AA22
3RF2090-1AA24
3RF2090-1AA26
3RF2090-1AA45
3RF2120-1AA02
3RF2120-1AA04
3RF2120-1AA22
3RF2120-1AA24
3RF2120-1AA42
3RF2120-1AA45
3RF2120-1BA04
3RF2120-2AA02
3RF2120-2AA04
3RF2120-2AA22
3RF2120-2AA24
3RF2120-2AA42
3RF2120-2AA45
3RF2120-3AA02
3RF2120-3AA04
3RF2120-3AA22
3RF2120-3AA24
3RF2130-1AA02
3RF2130-1AA04
3RF2130-1AA06
3RF2130-1AA22
3RF2130-1AA24
3RF2130-1AA26
3RF2130-1AA42
3RF2130-1AA45
3RF2130-1BA04
3RF2150-1AA02
3RF2150-1AA04
3RF2150-1AA06
3RF2150-1AA14
3RF2150-1AA22
3RF2150-1AA24
3RF2150-1AA26 盛丰建材网
3RF2150-1AA44-1KK0
3RF2150-1AA44-1KK0-ZX95
3RF2150-1AA45
3RF2150-1AG04
3RF2150-1AG04-ZX95
3RF2150-1AG06-1KK0
3RF2150-1AG06-1KK0-ZX95
3RF2120-1BA44-1KS0
3RF2120-1BG44-1KS0
3RF2150-1BA04
3RF2150-1BA06
3RF2150-1BA22
3RF2150-2AA02
3RF2150-2AA04
3RF2150-2AA06
3RF2150-2AA14
3RF2150-2AA22
3RF2150-2AA24
3RF2150-2AA26
3RF2150-3AA02
3RF2150-3AA04
3RF2150-3AA06
3RF2150-3AA22
3RF2150-3AA24
3RF2150-3AA26
3RF2170-1AA02
3RF2170-1AA04
3RF2170-1AA05-0KN0
3RF2170-1AA06
3RF2170-1AA22
3RF2170-1AA24
3RF2170-1AA26
3RF2170-1AA45
3RF2170-1AG45-1KS0
3RF2170-1BA04
3RF2170-1CA04
3RF2170-4AA45
3RF2171-1AA45-1KP0
3RF2171-1AA45-1KP0-ZX95
3RF2190-1AA02
3RF2190-1AA04
3RF2190-1AA06
3RF2190-1AA22
3RF2190-1AA24
3RF2190-1AA26
3RF2190-1AA45
3RF2190-1BA04
3RF2190-2AA02
3RF2190-2AA04
3RF2190-2AA06
3RF2190-2AA22
3RF2190-2AA24
3RF2190-2AA26
3RF2190-3AA02
3RF2190-3AA04
3RF2190-3AA06
3RF2190-3AA22
3RF2190-3AA24
3RF2190-3AA26
3RF2190-3AA44
3RF2210-1BD04
3RF2230-1AB35
3RF2230-1AB45
3RF2230-1AC35
3RF2230-1AC45
3RF2230-2AB45
3RF2230-2AC45
3RF2230-3AB45
3RF2230-3AC45
3RF2255-1AB35
3RF2255-1AB45
3RF2255-1AC35
3RF2255-1AC45
3RF2255-2AB45
3RF2255-2AC45
3RF2255-3AB45
3RF2255-3AC45
3RF2310-1AA02
3RF2310-1AA04
3RF2310-1AA04-0KN0
3RF2310-1AA06
3RF2310-1AA12
3RF2310-1AA14
3RF2310-1AA22
3RF2310-1AA24
3RF2310-1AA26
3RF2310-1AA44
3RF2310-1AA45
3RF2310-1BA02
3RF2310-1BA04
3RF2310-1BA06
3RF2310-1BA22
3RF2310-1BA24
3RF2310-1BA26
3RF2310-2AA02
3RF2310-2AA04
3RF2310-2AA06
3RF2310-2AA22
3RF2310-2AA24
3RF2310-2AA26
3RF2310-3AA02
3RF2310-3AA04
3RF2310-3AA06
3RF2310-3AA22
3RF2310-3AA24
3RF2310-3AA26
3RF2320-1AA02
3RF2320-1AA02-0KN0
3RF2320-1AA04
3RF2320-1AA06
3RF2320-1AA14
3RF2320-1AA22
3RF2320-1AA24
3RF2320-1AA26
3RF2320-1AA44
3RF2320-1AA45
3RF2320-1AA65