Siemens SIRIUS 3RF Series

System overview
1.7 Components and combinations
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
59
1.7.4 Feeders
1.7.4.1 SIRIUS 3RA21/22 load feeders
Load feeders
Figure 1-27 S0 load feeder
The tested load feeders offer switching and protection functions. Thanks to their multiple
combination options, they can be easily configured for almost any requirement.
Table 1- 15 Load feeders
Area Customer benefits
Functions
 Switching and protection functions in one mechanical unit
 High short-circuit breaking capacity
 Tested combinations (fuseless and fused)
 Coordination types 1 and 2 (tested up to 150 kA)
 Tested for CLASS 10, 20, 30
 With motor starter protectors or MSPs for starter combinations
 With contactor, solid-state contactor, and soft starter
 Connection to the automation level via IO-Link and AS-i
Dimensioning and
design
 Tested for all common line voltages
 S00, S0 (0.06 up to 18.5 kW)
 Pre-assembled SIRIUS 3RA2 feeders with 230 V AC and 24 V DC
Mounting
advantages
 Easy mounting of individual components into tested combinations
 Direct connection of switching devices
 Perfectly matched accessories
 Screw-type, spring-loaded, ring cable lug connection systems
Application
areas/customer
benefits
 Completely pre-assembled load feeders
 Comprehensive type tests for load feeders for self-assembly by the
customer (approx. 40,000 combinations)
 Comprehensive approvals for global applicability
 Comprehensive dimensioning, planning, and construction support