Siemens SIRIUS System Manual

3RV1 circuit breakers
SIRIUS System Manual
2-20
GWA 4NEB 430 0999-02b
Lateral auxiliary switch (3RV1901-....)
Undervoltage release (3RV1901-....)
Figure 2-11: Mounting/removing the lateral auxiliary switch/undervoltage release (frame size S00)
Voltage ranges of the
auxiliary releases
One undervoltage release or shunt release can be installed for each circuit
breaker. The following voltage ranges are possible:
1
2
1
2
3
3
3
1
1
3RV 1901-.... 3RV 19.2-....
Auxiliary release Frequency
Undervoltage release
AC 50 Hz AC 60 Hz
24 V
110 V
230 V
400 V
415 V
120 V
208 V
240 V
480 V
Undervoltage release
with leading
auxiliary contacts
230 V
400 V
415 V
240 V
480 V
Shunt release
AC 50/60 Hz
100% duty cycle
1)
1) Transformer operational voltage of the lower mark of the voltage range at 0.85 (Tu = 60 °C)
is valid for 100% (continuous) duty cycle only
at AC 50/60 Hz
AC 50/60 Hz; DC
5 sec. duty cycle
2)
2) Transformer operational voltage of the lower mark of the voltage range at 0.9 (Tu = 60 °C) is
valid for 5 seconds duty cycle at AC 50/60 Hz and
DC
20 V - 24 V
90 V - 110 V
210 V - 240 V
350 V - 415 V
500 V
20 V - 70 V
70 V - 190 V
190 V - 330 V
330 V - 500 V
-
Table 2-6: Voltage ranges of the auxiliary releases

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