Siemens SIRIUS 3RW44 - Installation, Connection and Branch Layout; 3.1 Installing the Soft Starter; 3.2 Branch Layout; 3.3 Protection of the Soft Starter against Short-Circuits

SIRIUS 3RW44 System Manual
GWA 4NEB 535 2195-02 DS 04
3-1
Installation, Connection and Branch Layout 3
Section Subject Page
3.1 Installing the Soft Starter 3-2
3.1.1 Unpacking 3-2
3.1.2 Mounting Position 3-2
3.1.3 Standards 3-2
3.1.4 Mounting Dimensions and Clearances 3-3
3.2 Branch Layout 3-4
3.2.1 General 3-4
3.2.2 Soft Starters in Standard Circuits 3-5
3.2.3 Soft Starters in Inside Delta Circuits 3-6
3.2.4 Soft starter with Contactor Disconnector (Main Contactor) 3-8
3.3 Protection of the Soft Starter against Short Circuits 3-9
3.4 Capacitors for Power Factor Improvement 3-10
3.5 Electrical Connection 3-10
3.5.1 Control and Auxiliary Current Connection 3-10
3.5.2 Main Current Connection 3-11
3.5.3 Conductor Cross-sections 3-12