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Technical data
11.4 3RB30/3RB31 solid-state overload relays
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
Size
Width
Rated insulation voltage U
i
(pollution degree 3)
Rated impulse withstand voltage U
Rated operating voltage U
e
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 networks with grounded neutral point, otherwise 600 V.
1)
126
3RB301.,
3RB311.
S00
45 mm
V
kV
imp
V
A
0.1 to 0.4 to
4 to 16
W
See "Selection and ordering data" in Catalog IC 10 - SIRIUS
Innovations - Selection data for load feeders in fuseless and
(http://support.automation.siemens.com/WW/view/en/50250592)".
V
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
690
6
690
No
Yes, 50/60 Hz ± 5%
0,05 ... 0,2
See the configuration guide titled "Configuring SIRIUS
fused designs
690
Manual, 09/2014, A5E03656507420A/RS-AA/002
3RB302.,
3RB312.
S0
45 mm
0.1 to 0.4 to
10 to 40
1)
- Quick Links:
- 3Ru21 Thermal Overload Relays
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