Short-Circuit Protection: Contactor + 3Rb3 Solid-State Overload Relay - Siemens SIRIUS Configuration Manual
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Fused selection tables up to 690 V
5.3 Short-circuit protection: Contactor + 3RB3 solid-state overload relay
5.3
Short-circuit protection: Contactor + 3RB3 solid-state overload relay
Short-circuit protection with fuses for motor feeders with 3RB30 and 3RB31, contactor mounting, and
stand-alone assembly
Table 5- 3
Derating values for overload relay and contactor size S00
Overload
Overload relay
relay
Setting range
MLFB
A
3RB3016-
0,1 ... 0,4
1RB0
3RB3016-
0,32 ... 1,25
1NB0
3RB3016-
1 ... 4
1PB0
3RB3016-
3 ... 12
1SB0
3RB3016-
4 ... 16
1TB0
74
Contactor
MLFB
kW
400 V 500 V 690 V 400 V 500 V 690 V 400 V 500 V 690 V
Stand-alone
0,4
assembly
3RT2015
3,0
0,4
Stand-alone
1,3
assembly
3RT2015
3,0
1,25
Stand-alone
4,0
assembly
3RT2015
3,0
4,0
3RT2016
4,0
4,0
3RT2017
5,5
4,0
Stand-alone
12,0
assembly
3RT2016
4,0
9,0
3RT2017
5,5
12,0
Stand-alone
16,0
assembly
3RT2017
5,5
12,0
3RT2018
7,5
16,0
CLASS
5 / 10
20
AC-3 derating values
0,4
0,4
0,4
0,4
0,4
0,4
0,4
0,4
1,3
1,3
1,3
1,3
1,25
1,25
1,25
1,25
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
12,0
12,0
12,0
12,0
7,7
6,7
9,0
6,5
9,2
6,7
10,0
9,0
16,0
16,0
16,0
16,0
9,2
6,7
10,0
9,0
12,4
8,9
12,9
11,6
Configuration Manual, 04/2010, A8E56203880102-02
30
0,4
0,4
0,4
0,4
0,4
0,4
0,4
0,4
1,3
1,3
1,3
1,3
1,25
1,25
1,25
1,25
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
12,0
12,0
12,0
12,0
5,2
9,0
6,5
5,2
6,3
9,0
9,0
6,3
16,0
16,0
16,0
16,0
6,3
9,0
9,0
6,3
8,1
11,6
11,6
8,1
Configuring SIRIUS Innovations
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