Connection Examples For Main And Control Circuits; 3Rw44 In A Standard Circuit With Control Via Keys - Siemens SIRIUS 3RW44 System Manual

Circuit Examples
9.1

Connection Examples for Main and Control Circuits

9.1.1 3RW44 in a Standard Circuit with Control via Keys

Main circuit
Option 1a:
Standard circuit with circuit breaker and SITOR fuse
(pure solid-state protection)
I >> I >>
Alternative branch layout in standard circuit
Main circuit
Option 1b:
Standard circuit with all-range fuse
(line and solid-state protection)
1) For permissible main and control voltage values, refer to Technical Data, Pages 10-8 to 10-12.
9-2
I >>
Option 1c:
Standard circuit with line and SITOR fuse (pure
solid-state protection)
Control circuit
SIRIUS 3RW44 System Manual
GWA 4NEB 535 2195-02 DS 04