Mounting And Connection; Mounting - Siemens sirius System Manual

3RA1 fuseless load feeders

5.5 Mounting and connection

5.5.1 Mounting

Snap-on attachment
Rail mounting without
adapter
Rail mounting with
adapter
5-18
The fuseless load feeders can be snapped onto a 35 mm rail in acc. with
DIN EN 50 022.
The fuseless direct feeders of frame sizes S00 and S0 and reversing feeders
S00 can be snapped onto the rail without an adapter with the circuit breaker.
No tools are required for either mounting or removal.
A rail adapter is available as an accessory for frame sizes S00/S0. The
reversing feeders of frame sizes S2/S3 are mounted with a rail adapter.
To mount frame sizes S2 and S3 and reversing feeders S0 on a rail, adapters
must be used for stability reasons. These are available as accessories. To
remove them, the rail adapter is unlocked with a screwdriver. You will find
information on this in Section 2.5.1 on how to mount circuit breakers.
All feeders can be mounted with a rail adapter.
SIRIUS System Manual
GWA 4NEB 430 0999-02b