Short-Circuit Protection: Contactor + 3Uf7 + 3Rb22 / 23 Solid-State Overload Relay - Siemens SIRIUS Configuration Manual
Load feeders
Hide thumbs
Also See for SIRIUS:
- System manual (425 pages) ,
- Manual (169 pages) ,
- Configuration manual (62 pages)
Table of Contents
Advertisement
Fused selection tables up to 690 V
5.4 Short-circuit protection: Contactor + 3UF7 + 3RB22 / 23 solid-state overload relay
5.4
Short-circuit protection: Contactor + 3UF7 + 3RB22 / 23 solid-state
overload relay
Short-circuit protection with fuses for motor feeders with 3UF7 and 3RB22/23, contactor mounting,
and stand-alone installation
Table 5- 7
Derating values CLASS 5 / 10, 15 and 20
Overload
Overload
relay
relay
Setting
range
MLFB
A
Size S00
3UF7100-
0,3 ... 3,0
1AA00-0/
3RB2906-
2BG1
3UF7101-
2,4 ... 25
1AA00-0/
3RB2906-
2DG1
Size S0
3UF7101-
2,4 ... 25
1AA00-0/
3RB2906-
2DG1
3UF7102-
10 ... 100
1AA00-0/
3RB2906-
2JG1
78
Contactor
MLFB
kW
400 V
Stand-alone
3,0
assembly
3RT2015
3,0
3,0
3RT2016
4,0
3,0
3RT2017
5,5
3,0
3RT2018
7,5
3,0
3RT2015
3,0
7,0
3RT2016
4,0
9,0
3RT2017
5,5
12,0
3RT2018
7,5
16,0
Stand-alone
25
assembly
3RT2024
5,5
12,0
3RT2025
7,5
17,0
3RT2026
11,0
25,0
3RT2027
15,0
25,0
3RT2028
18,5
25,0
Stand-alone
100
assembly
3RT2024
5,5
12,0
3RT2025
7,5
17,0
3RT2026
11,0
25,0
3RT2027
15,0
32,0
3RT2028
18,5
38,0
CLASS
5 / 10
15 (3UF7 only)
AC-3 derating values
500 V
690 V
400 V
500 V
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
6,0
4,9
7,0
7,7
6,7
9,0
9,2
6,7
10,7
12,4
8,9
13,0
25
25
25
12,0
9,0
12,0
17,0
13,0
17,0
18,0
13,0
18,0
25,0
21,0
23,0
25,0
21,0
23,0
100
100
100
12,0
12,0
17,0
13,0
17,0
18,0
13,0
18,0
32,0
21,0
23,0
32,0
21,0
23,0
Configuration Manual, 04/2010, A8E56203880102-02
690 V
400 V
500 V
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
6,0
4,9
7,0
7,7
6,7
9,0
9,2
6,7
10,0
12,4
8,9
11,5
11,5
25
25
25
12,0
9,0
12,0
12,0
17,0
13,0
16,0
16,0
18,0
13,0
16,0
16,0
20,0
20,0
20,0
20,0
20,0
20,0
20,0
20,0
100
100
100
12,0
12,0
12,0
17,0
13,0
16,0
16,0
18,0
13,0
16,0
16,0
20,0
20,0
20,0
20,0
20,0
20,0
20,0
20,0
Configuring SIRIUS Innovations
20
690 V
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
3,0
6,0
4,9
7,7
6,7
9,2
6,7
8,9
25
25
9,0
13,0
13,0
17,0
17,0
100
100
13,0
13,0
17,0
17,0
Advertisement
Table of Contents
