Siemens SIRIUS 3RT2.1 Series System Manual

System overview
1.7 Components and combinations
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
67
Assembly
With 3RA28 function modules, a starter can be easily assembled by combining individual
modules together or by using pre-assembled combinations.
Type of starter Individual modules Pre-assembled combinations
Direct-on-line start

Reversing start

Star-delta (wye-delta)
start


Reference
More information ... Is available in ...
About 3RA28 function modules for direct-on-line
start and star-delta (wye-delta) start
Chapter 7 "SIRIUS 3RA28 function modules
(Page 641)"
About function modules for reversing starting Chapter 2 "SIRIUS 3RT2 contactors/contactor
assemblies (Page 101)"

Siemens SIRIUS 3RT2.1 Series Specifications

General

Brand	Siemens
Model	SIRIUS 3RT2.1 Series
Category	Industrial Equipment
Language	English