Main Circuit - Siemens SIRIUS 3RT Series System Manual

SIRIUS 3RU2/3RB3 overload relays
5.10 Technical data
5.10.3.2

Main circuit

Table 5- 44 Technical data for the main circuit, 3RB30/3RB31 overload relays
Type
Size
Width
Rated insulation voltage U
(pollution degree 3)
Rated impulse withstand voltage U
Rated operational voltage U
Type of current
DC current

AC current

Current setting
Power loss per device (max.)
Short-circuit protection
With fuse without contactor

With fuse and contactor

Protective separation between main and
auxiliary current paths acc. to IEC/EN 60947-1
(pollution degree 2)
For grounded networks, otherwise 600 V
1)
548
V
i
kV
imp
V
e
A
W
V
3RB30 1.,
3RB31 1.
S00
45 mm
690
6
690
No
Yes, 50/60 Hz ± 5%
0.1 to 0.4 to
4 to 16
0.05 ... 0.2
See "Selection and ordering data" in Catalog
LV 1 N SIRIUS Innovations.
See the chapter titled "Motor starter protectors (Page 379)"
690
1)
System Manual, 01/2011, A8E56203870002-03
3RB30 2.,
3RB31 2.
S0
45 mm
0.1 to 0.4 to
10 to 40
SIRIUS Innovations