Feeders; Sirius 3Ra21/22 Load Feeders - Siemens SIRIUS 3RT Series System Manual

1.7.4

Feeders

1.7.4.1

SIRIUS 3RA21/22 load feeders

Load feeders
Figure 1-27
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
Area
Functions
Dimensioning and
design
Mounting
advantages
Application
areas/customer
benefits
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
S0 load feeder
Load feeders
Customer benefits
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

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

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

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

System overview
1.7 Components and combinations
59