Siemens SIRIUS System Manual

3RA1 fuseless load feeders
SIRIUS System Manual
5-18
GWA 4NEB 430 0999-02b
5.5 Mounting and connection
5.5.1 Mounting
Snap-on attachment
The fuseless load feeders can be snapped onto a 35 mm rail in acc. with
DIN EN 50 022.
Rail mounting without
adapter
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.
Rail mounting with
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.

Siemens SIRIUS Specifications

General

Product brand name	Siemens
Series	SIRIUS
Coil Voltage	24V DC, 110V AC, 230V AC
Switching Capacity	Up to 10A
Mounting Type	DIN rail
Product designation	SIRIUS
Contact Material	Silver alloy
Contact Rating	Varies depending on the specific SIRIUS relay model (e.g., 6 A at 250 V AC, 10 A at 250 V AC)
Switching Voltage	Varies depending on the specific SIRIUS relay model (e.g., 250 V AC, 400 V AC)
Mechanical Life	Up to 10 million operations
Electrical Life	Up to 100, 000 operations
Operating Temperature	-25°C to +55°C
Protection Class	IP20
Size of relay base	Varies depending on the specific SIRIUS relay model