The table below lists the maximum power of the three-phase motor for pre-assembled
3RA2 complete devices based on the type of coordination at a voltage of 400 V AC.
Table 3-1 Motor starter protector sizes
Size Type of coordination Power of three-phase motor
S00 1 0.06 to 7.5 kW
2 0.06 to 1.5 kW
S0 1 7.5 to 15 kW
2 1.5 to 15 kW
S2 1 15 kW … 30 / 37 kW (max. 65 A)
2 15 kW … 30 / 37 kW (max. 65 A)
Reference
More information ... Can be found in...
About approved load feeders in the conguration manual entitled "Conguring
SIRIUS Innovations - Selection data for load feeders
in fuseless and fused designs" (Article Number:
3ZX1012‑0RA21‑1AC0)
Auxiliary contacts
The following auxiliary contacts are integrated into fuseless load feeders dependent upon size.
Table 3-2 Integrated auxiliary contacts
Size Direct feeder Reversing feeder
S00 1 NO contact is integrated in the con‐
tactor.
1 NC contact is integrated in the contactor.
S0 1 NO contact and 1 NC contact are in‐
tegrated in the contactor. The user can
decide how the NC contact is assigned.
1 NO contact and 1 NC contact are integra‐
ted in the contactor. The NC contact is as‐
signed to the interlock.
S2
S3
Product description
3.2 Device versions
SIRIUS 3RA Load Feeders
16 Equipment Manual, 02/2022, A5E03656507520A/RS-AC/004
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