Siemens SIRIUS System Manual

3RA1 fuseless load feeders
SIRIUS System Manual
5-8
GWA 4NEB 430 0999-02b
5.4 Accessories
5.4.1 Accessories for the individual devices
The accessories for the individual devices can also be used in the load
feeder.
You will find information on the accessories of the contactors in Chapter 3,
"Contactors" (Section 3.4, "Accessories").
You will find information on the accessories of the circuit breakers in
Chapter 2, "Circuit breakers" (Section 2.4, "Accessories").
5.4.2 Accessories specifically for the SIRIUS 3RA fuseless load feeder
The following accessories facilitate the setup and wiring of the fuseless load
feeder:
Accessory Description
Auxiliary switch for the circuit
breaker
• Transverse and connectable from
above
• 1 changeover contact, 1 normally
open contact +
1 normally closed contact or 2 nor-
mally open contacts
Auxiliary switch blocks for the
contactor
Snap-on and connectable from below
Link modules • Provide electrical connections
between circuit breakers and link
modules
• Also provide a mechanical connec-
tion in frame sizes S00 and S0
Wiring kits • Electrical and mechanical connec-
tion for reversing combinations
• The wiring kit can be combined with
the link module
• In the case of frame size S00, the
wiring module contains integrated
cables for electrical interlocking
Table 5-1: Fuseless load feeder, accessories

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