Siemens — 3RF21 solid-state relays, single-phase, 22.5 mm

Solid-State Switching Devices for Resistive Loads Solid-State Relays 3RF21 solid-state relays, single-phase, 22.5 mm ■ Dimensional drawings Solid-state relays Screw terminal Spring-type terminal Ring terminal lug connection 3RF21 .0-1.A.. 3RF21 .0-2.A.. 3RF21 .0-3.A..                 )           Terminal cover 3RF29 00-3PA88  )            ) )   ■ Schematics Version DC control supply voltage Version AC control supply voltage Switching example                            14 Siemens · 2009