Pre-Assembled Complete Devices - Siemens SIRIUS 3RA Equipment Manual

Assembly/Installation
The devices are prepared for DIN rail mounting, for mounting on a 60 mm busbar or for
mounting on a base plate.
Table 3-3
Starter combination
Size
Mounting on a standard rail
Mounting on 8US busbar
Mounting on base plate
Mounting on 1 DIN rail
1)
Mounting on 2 DIN rails
2)
Mounting on 1 or 2 DIN rails
3)
3.2.1

Pre-assembled complete devices

Pre-assembled complete devices
3RA2 fuseless load feeders are pre-assembled complete devices; they are delivered ready-wired
and with all mechanical connections established. The devices are available in sizes S00, S0 and
S2 for direct-on-line start. Pre-assembled complete devices in size S00 and S0 are available for
reversing start. The fuseless load feeders can be ordered with or without pre-assembled busbar
adapters for mounting on a DIN rail or busbar.
SIRIUS 3RA Load Feeders
Equipment Manual, 02/2022, A5E03656507520A/RS-AC/004
Mounting options
Snap-on mounting with‐
out adapter
With DIN rail adapter
With 8US busbar adapter
Direct
With DIN rail adapter
Direct-on-line starter
S00 S0 S2
✓ ✓ ✓
1) 1) 2)
✓ ✓ ✓
3) 3) 2)
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
Product description
3.2 Device versions
Reversing starter
S3 S00 S0
— ✓ —
1)
✓ ✓ ✓
2) 3) 3)
— ✓ ✓
— ✓ ✓
✓ ✓ ✓
S2 S3
✓ —
2)
✓ ✓
2) 2)
✓ —
✓ —
✓ ✓
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