Siemens SIRIUS 3RV Series - Mounting and Disassembling the Assembly Types; On DIN Rail Without DIN Rail Adapter

SIRIUS 3RA21/22 load feeders
6.6 Mounting
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
593
Note
Contactor size S0 alternating current (AC)
S0 contactors with AC operation and spring-loaded connection system need a spacer (d) for
DIN rail or busbar adapter mounting.
Note
Reverse the above sequence to disassemble both sizes S00 and S0.
6.6.3 Mounting and disassembling the assembly types
Fuseless load feeders can be mounted on the following assembly systems:
Table 6- 21 Assembly systems
Assembly system Mounting
35 mm DIN rail acc. to DIN EN 50 022
 Can be snapped directly onto DIN rail
 Mounting with DIN rail adapter. Size S0 reversing
starters have to be mounted with an adapter.
Busbar with 60 mm busbar center-to-
center spacing
Mounting with busbar adapter
Screw mounting on mounting plate
 Direct screw mounting on mounting plate
 Mounting on DIN rail adapter and screw mounting of
the adapter on mounting plate.
6.6.3.1 On DIN rail without DIN rail adapter
DIN rail mounting without adapter
Fuseless load feeders in the following sizes can be snapped onto DIN rails without adapters:
● Direct-on-line and reversing starters in size S00
● Direct-on-line starters in size S0
No tools are required for mounting and disassembly.