Siemens SIRIUS Series System Manual

Configuration
4.2 Supply possibilities in main circuit
SIRIUS 3RA6 Compact Starter
System Manual, 02/2008, GWA 4NEB 560 0601-02 DS 02
31
Distance from neighboring components
When installing the infeed system, the following distances from grounded or live parts and
from neighboring components must be observed.
● Lateral distance from grounded parts: 10 mm
● Arcing space, top and bottom: 30 mm
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Figure 4-3 Distance of infeed system for 3RA6 from neighboring components (dimensions in mm)
The installation guidelines for compact starters and circuit breakers/fuseless load feeders
must also be observed along with the associated clearances.
Short-circuit protection
The short-circuit protection device that is installed upstream of the infeed system must be
designed in accordance with the table below.
Table 4-3 Short-circuit protection for SIRIUS infeed system for 3RA6
Conductor cross-sections I
d,max
Recommendation regarding upstream
short-circuit protection device
(53 kA/400 VAC)
Short-circuit protection for left or right infeed, 25/35 mm², with spring-loaded connection technology
(3RA6830-5AC)
4 mm
2
I
d,max
< 9.5 kA, I
2
t = 85 kA
2
s 3RV1021-4DA10
6 mm
2
I
d,max
< 12.5 kA, I
2
t = 140 kA
2
s 3RV1031-4EA10
10 mm
2
I
d,max
< 15 kA, I
2
t = 180 kA
2
s 3RV1031-4HA10
16 mm
2
/25 mm
2
I
d,max
< 19 kA, I
2
t = 440 kA
2
s 3RV1041-4JA10

Siemens SIRIUS Series Specifications

General

Brand	Siemens
Model	SIRIUS Series
Category	Controller
Language	English