Description
3.6 Accessories and article number scheme
SIRIUS 3RM1 motor starter
48 Manual, 06/2016, A5E0345285095020A/RS-AE/005
The following accessories are offered for the 3RM1 motor starter:
● Infeed system (Page 48)
● Fuse module (Page 49)
● Sealable cover (Page 51)
● Wall mounting (Page 51)
● Device connectors (Page 52)
● Terminals (Page 55)
● Device identification label (Page 55)
The infeed system comprises 3-phase busbars, one infeed terminal, and one protective cap
for covering unused connections. The infeed system is suitable for 3RM1 motor starters with
screw connections.
Time-saving wiring between 3RM1 motor starters with screw terminals to the supply
connection is possible thanks to the infeed system with 3-phase busbars.
These busbars are available in three lengths, thus allowing 2, 3 or 5 motor starters (arranged
side-by-side) to be connected at the same time. More than 5 devices can be connected by
clamping the connection tags of an additional busbar rotated by 180° (e.g. 6 devices using
one 5-pole busbar and one 2-pole busbar).
A single motor starter can be removed from the assembly without loosening the terminal
screws of neighboring motor starters.
The maximum summation current must not exceed 25 A (UL: 16 A). Primary infeed is
connected via a three-phase infeed terminal. The three-phase busbars are finger-safe but
empty connection tags must be fitted with covers.
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