Siemens SIRIUS System Manual

3RV1 circuit breakers
SIRIUS System Manual
GWA 4NEB 430 0999-02b
2-27
Disconnecting and
locking
The disconnecting module can be locked and sealed or secured with two
padlocks if the connector is removed during maintenance work, for example.
The circuit breaker itself can also be secured with a third padlock.
Figure 2-13: Locking the disconnecting module (frame size S0)
Terminal cover
(frame size S2)
A terminal cover (3RT1936-4EA2) is available for the disconnecting module
in frame size S2 (3RV1938-1A) that protects the contacts from dirt and pro-
vides additional shock protection.
Figure 2-14: Locking the disconnecting module and mounting the cover (frame size S2)
1
2
3
4
4
5
5
3RV1938-1A
4
2
1
3
3RT1936-4EA2
3RV1.3

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