Siemens SIRIUS 3RU2 Manual page 168

Dimension drawings (dimensions in mm)
C.4 Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports
3RU2926-3AA01 (S0, screw connection)
Figure C-33 3RU2926-3AA01
3RU2926-3AC01 (S0, spring-loaded connection)
Figure C-34 3RU2926-3AC01
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
168
Manual, 09/2014, A5E03656507420A/RS-AA/002