Siemens SIRIUS Configuration Manual

Fused selection tables up to 690 V
5.9 Short-circuit protection: Motor feeders with 3RW3 + 3RT + 3RB30/3RB31
Configuring SIRIUS Innovations
Configuration Manual, 04/2010, A8E56203880102-02
87
5.9 Short-circuit protection: Motor feeders with 3RW3 + 3RT +
3RB30/3RB31
Short-circuit protection with fuses for motor feeders with 3RW30 soft starter and 3RB30 / 3RB31
solid-state overload relay up to 480 V / 65 kA, type of coordination 1 and 2
Table 5- 15 Fuse links according to IEC 60947 operating class gG,
(SITOR; type 3NA, 3NE)
Current carrying
capacity
Fuse links
1)
Overload relay Contactor Soft starter
I
e
at 400 V and Type of coordination
2)
MLFB Setting range MLFB kW MLFB kW 40 °C 50 °C 60 °C 1 2
Size S00
3RT2015 3,0 3RW3013 1,5 3,6 3,3 3,0 10 16 3RB3016-
1PB0
1 ... 4
3RT2016 4,0 3RW3013 1,5 3,6 3,3 3,0 10 16
3RT2015 3,0 3RW3014 3,0 6,5 6,0 5,5 16 16
3RT2016 4,0 3RW3014 3,0 6,5 6,0 5,5 16 16
3RB3016-
1SB0
3 ... 12
3RT2017 5,5 3RW3016 4,0 9,0 8,0 7,0 20 16
3RT2017 5,5 3RW3017 5,5 12,5 12,0 11,0 25 16 3RB3016-
1TB0
4 ... 16
3RT2018 7,5 3RW3018 7,5 16,0 16,0 14,0 35 20
Size S0
3RT2025 7,5 3RW3026 11,0 17,0 17,0 17,0 63 35
3RT2026 11,0 3RW3026 11,0 25,0 23,0 21,0 63 35
3RB3026-
1QB0
6 ... 25
3RT2027 15,0 3RW3027 15,0 25,0 25,0 25,0 80 80
3RT2025 7,5 3RW3026 11,0 17,0 17,0 17,0 63 35
3RT2026 11,0 3RW3026 11,0 25,0 23,0 21,0 63 35
3RT2027 15,0 3RW3027 15,0 32,0 29,0 26,0 80 80
3RB3026-
1VB0
10 ... 40
3RT2028 18,5 3RW3028 18,5 38,0 34,0 31,0 80 80
1)
Please take account of the operating voltage
2)
Assignment and short-circuit protective devices acc. to DIN EN 60947-4-1

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