Siemens SIRIUS 3RU2 - Main circuit

Technical data
11.4 3RB30/3RB31 solid-state overload relays
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
126 Manual, 09/2014, A5E03656507420A/RS-AA/002
11.4.1.2
Main circuit
Technical data for the main circuit, 3RB30/3RB31 overload relays
Table 11- 12 Technical data for the main circuit, 3RB30/3RB31 overload relays
Type
3RB301.,
3RB311.
3RB302.,
3RB312.
Size
S00
S0
Width
45 mm
45 mm
Rated insulation voltage U
i
(pollution degree 3)
V 690
Rated impulse withstand voltage U
imp
kV 6
Rated operating voltage U
e
V 690
Type of current
• DC current
No
• AC current
Yes, 50/60 Hz ± 5%
Current setting
A 0.1 to 0.4 to
4 to 16
0.1 to 0.4 to
10 to 40
Power loss per device
(max.) W 0,05 ... 0,2
Short-circuit protection
• With fuse without contactor
See "Selection and ordering data" in Catalog IC 10 - SIRIUS
• With fuse and contactor
See the configuration guide titled "Configuring SIRIUS
Innovations - Selection data for load feeders in fuseless and
fused designs
(http://support.automation.siemens.com/WW/view/en/50250592)".
Protective separation between main and
auxiliary current paths
acc. to IEC/EN 60947-1
(pollution degree 2)
V 690
1)
1)
For networks with grounded neutral point, otherwise 600 V.