Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-23
Assembly of the con-
tactors in frame size S0
with front interlocking
Table 3-13: 4-pole reversing contactor combination with front interlock (frame size S0)
Drawing: frame size S0 Step Procedure
1/2
Remove the fourth pole of the
left contactor by pressing the
ribbed surfaces at the top and
bottom at the same time
(1)
and then removing the pole
(2)
.
3/4
Attach the pole to the left side
of the same contactor.
5/6
Put the contactors together by
inserting two mechanical cou-
plers (3RA1922-2C) in the
appropriate openings of the
contactor
(5),
and then press
the other contactor onto these
mechanical couplers
(6)
.
7/8/9
Mount the mechanical inter-
lock at the front (3RA1924-1A)
over the two contactors.
2
1
1
3
4
3
4
6
5
5
3RA1922-2C
8
9
7

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