Siemens SIRIUS Configuration Manual

Selection tables 500 V AC
4.8 Motor starter protector + 3RW44 soft starter
Configuring SIRIUS Innovations
70 Configuration Manual, 04/2010, A8E56203880102-02
4.8 Motor starter protector + 3RW44 soft starter
CLASS 10, type of coordination 1,
short-circuit breaking capacity
I
q
= 10 kA
$
&9
Standard three-phase motor
4-pole at
400 V AC
1)
Standard
output
P
Motor current
I
Setting range
Overload release
Motor starter protector
Motor starter protector
Motor protection
2)
Soft starter
kW A A Order No. Order No.
Size
MSP / 3RW44
15 29 27 ... 32 3RV2021-4EA10 3RW4422-1BC44 S0/BG2
18,5
3)
36 34 ... 40 3RV2021-4FA10 3RW4423-1BC44 S0/BG2
Order numbers for basic versions with screw terminals and spring-loaded terminals also possible. 3RA2921-1BA00 link
module can only be used with screw terminals.
1)
Guide value for 4-pole standard motors at 500 V AC, 50 Hz. Selection depends on the concrete startup and rated data
of the protected motor.
2)
Rated currents taken into account at 40 °C ambient temperature. Rated control supply voltage 230 V AC, 50 Hz, other
control voltages possible.
3)
Discrete mounting only, without a link module.

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