Sirius 3Ra6 Compact Starters - Siemens SIRIUS 3RT Series System Manual

1.7.4.2

SIRIUS 3RA6 compact starters

3RA6 compact starter
Figure 1-28
The SIRIUS 3RA6 compact starter is a compact, highly integrated device which features
state-of-the-art controls, including practical diagnostics functions. The compact starter
ensures improved efficiency and reliability in the control cabinet.
Table 1- 16
Area
Functions
Dimensioning and
design
Mounting
advantages
Application
areas/customer
benefits
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Compact starter
3RA6 compact starters
Customer benefits
Direct-on-line starter and reversing starter

Short-circuit protection, electronic overload protection, functional switching,

and line protection
Mechanical and electrical interlock with reversing starter

IO-Link and AS-i connection

Manual and automatic reset (remote reset via control)

S0 (0.1 up to 32 A/15 kW)

Width of 45 mm (direct-on-line starter) or 90 mm (reversing starter)

5 setting ranges from 0.1 A to 32 A

Weld-free contacts (end-of-service-life indication)

Screw-type and spring-loaded connection systems with removable

terminals in the main and auxiliary circuits
SIRIUS 3RA68 infeed system for simpler, space-saving installation

Connection of cables up to 70 mm²

Coding and locking options in the 3RA6 compact starter

Screw-type and spring-loaded terminals

Removable terminals for easy and quick replacement if service is required

(permanent wiring)
Optional control kit for testing the main current path

Integrated diagnostics functions

Large wide voltage ranges and wide setting ranges

Three different power infeed options

Comprehensive approvals for global applicability

Fast and standardized configuration thanks to full integration in STEP 7

System overview
1.7 Components and combinations
61