Siemens SIRIUS 3RT - Page 210

Mounting
7.4 Contact piece replacement (sizes S2 to S12)
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
210 Manual, 09/2017, A5E03656507120A/RS-AE/006
⑰
Place the terminals on the device.
⑱
Slide the terminals back slightly. Make sure the terminals engage.
⑲
Screw the fourth pole tight with a screwdriver.