Siemens SIRIUS 3RA, Equipment Manual

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Starter combination Direct-on-line starter Reversing starter
Size S00 S0 S2 S3 S00 S0 S2 S3
Mounting on 8US busbar with 60
mm busbar center-to-center spac‐
ing
With 8US busbar adapter ✓ ✓ ✓ — ✓ ✓ ✓ —
Screw mounting on base plate
Direct screw mounting on
mounting plate ✓ ✓ ✓ — ✓ ✓ ✓ —
Mounting on DIN-rail
adapter and screw mount‐
ing of the adapter on
mounting plate. ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
1) Mounting on 1 DIN rail
2) Mounting on 2 DIN rails
3) For high vibration and shock loads: Mounting on 2 DIN rails and DIN-rail adapter
NOTICE
Possible damage to load feeder.
• If the load feeder for sizes S00 and S0 is mounted directly on the DIN rail without a DIN-rail
adapter, there is no guarantee that the mounting will be vibration-proof.
• Size S0 and S2 reversing starters have to be mounted with DIN-rail adapters or busbar
adapters.
• Size S3 reversing starters have to be mounted with DIN-rail adapters.
7.3.1 On DIN rails 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 and S2
Mounting
7.3 Assembly and disassembly with different mounting systems
SIRIUS 3RA Load Feeders
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Equipment Manual, 02/2022, A5E03656507520A/RS-AC/004