Connection - Siemens SIRIUS 3RA6 System Manual

Accessories
7.8 3-phase busbar
7.8.3

Connection

The 3-phase infeed terminals are available with screw-type connection technology.
3-phase infeed terminals 3RV19
There are 3 supply possibilities available for the 3-phase busbar:
● 3-phase infeed terminal, connection from the top, with screw-type connection technology
(3RV1925-5AB)
● 3-phase infeed terminal, connection from the bottom, with screw-type connection
technology (3RV2915-5B)
● 3-phase infeed terminal for installing Type E starters, UL 508, with screw-type connection
technology (3RV2925-5EB)
3-phase infeed terminal – connection from the bottom
Note
The 3-phase infeed terminal with connection from the bottom is connected instead of a
compact starter. You will therefore need to take the space requirements into account when
configuring the 3-phase busbar.
Conductor cross-sections of 3-phase infeed terminals
Table 7- 12
∅ 5 ... 6 mm/PZ 2
190
3-phase infeed terminal
3RV2915-5B
Input: 4 Nm
(35.2 lb·in)
Output: 2 ... 2.5 Nm
(17.6 ... 22 lb·in)
(2.5 ... 25) mm
(2.5 ... 25) mm
(2.5 ... 16) mm
AWG 10 ... 4
3RV1925-5AB
(26.4 ... 35.2 lb·in)
(2.5 ... 25) mm
2
(2.5 ... 25) mm
2
(2.5 ... 16) mm
2
10 ... 4
System Manual, 09/2014, NEB560060102000/RS-AA/006
3RV2925-5EB
3 ... 4 Nm
(2.5 ... 25) mm
2
(2.5 ... 25) mm
2
(2.5 ... 16) mm
2
10 ... 4
SIRIUS 3RA6 compact starter
2
2
2