Siemens SIRIUS System Manual

System overview
SIRIUS System Manual
GWA 4NEB 430 0999-02b
1-9
12) 2-pole auxiliary switch block, attachable on the right or left side
(terminal markings in acc. with DIN EN 50 012 or DIN EN 50 005)
13) 1-pole auxiliary switch block (a maximum of 4 can be snapped on)
14) Mechanical interlock, attachable at the side
15) Mechanical interlock, attachable at the front
16) Wiring blocks above and below (reversing mode)
17) Surge suppressor (varistor, RC element, diode combination),
attachable above or below (varies for S0 and S2/S3)
18) Coupling link for direct connection to the contactor coil
19) LED block to display contactor function
For frame sizes S2 and S3 only:
20) Terminal for contactor coil for setting up contactor combinations
21)Terminal cover for box terminals
For frame size S3 only:
22)Terminal cover for terminal end and bar connection
23)Auxiliary connecting lead terminal, 3-pole

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