7.1.3.2 Derating
Derating for fuseless load feeders S00/S0 in the 3RV2917 (63 A) infeed system
Size Rated current I
e
[A] Max. permissible rated operating current
I
e
[%]
Max. ambient temperature T [°C]
S00 ≤ 14 100 60
> 14 ... 16 87 60
> 14 ... 16 100 40
S0 ≤ 16 100 60
> 16 ... 25 87 60
> 16 ... 25 100 40
> 25 ... 32 87 40
> 32 Not permissible
7.2 Mounting and disassembling load feeders
7.2.1
Overview
Please proceed as per the mounting instructions below for self-assembly of 3RA2 load feeders.
Connection systems
Sizes S0 and S00 support three connection systems:
• Screw connection
• Spring-loaded connection
• Hybrid connection
The hybrid connection system combines screw-type and spring-loaded connection technology.
Motor starter protectors with screw connection and contactors with spring-loaded connection
can be installed together in the load feeder.
Sizes S2 and S3 are only available in the version with screw connection (main circuit).
The modular system has suitable link modules for each connection system.
Reference
More information ... Can be found in the chapter titled ...
About matching link modules Link modules (Page 124).
Mounting
7.2 Mounting and disassembling load feeders
SIRIUS 3RA Load Feeders
42 Equipment Manual, 02/2022, A5E03656507520A/RS-AC/004
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