Fused selection tables up to 690 V
5.4 Short-circuit protection: Contactor + 3UF7 + 3RB22 / 23 solid-state overload relay
Configuring SIRIUS Innovations
78 Configuration Manual, 04/2010, A8E56203880102-02
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
CLASS
5 / 10 15 (3UF7 only) 20
Overload
relay
Overload
relay
Setting
range
Contactor
AC-3 derating values
MLFB A MLFB kW 400 V 500 V 690 V 400 V 500 V 690 V 400 V 500 V 690 V
Size S00
Stand-alone
assembly
3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0
3RT2015 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0
3RT2016 4,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0
3RT2017 5,5 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0
3UF7100-
1AA00-0/
3RB2906-
2BG1
0,3 ... 3,0
3RT2018 7,5 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0
3RT2015 3,0 7,0 6,0 4,9 7,0 6,0 4,9 7,0 6,0 4,9
3RT2016 4,0 9,0 7,7 6,7 9,0 7,7 6,7 9,0 7,7 6,7
3RT2017 5,5 12,0 9,2 6,7 10,7 9,2 6,7 10,0 9,2 6,7
3UF7101-
1AA00-0/
3RB2906-
2DG1
2,4 ... 25
3RT2018 7,5 16,0 12,4 8,9 13,0 12,4 8,9 11,5 11,5 8,9
Size S0
Stand-alone
assembly
25 25 25 25 25 25 25 25 25
3RT2024 5,5 12,0 12,0 9,0 12,0 12,0 9,0 12,0 12,0 9,0
3RT2025 7,5 17,0 17,0 13,0 17,0 17,0 13,0 16,0 16,0 13,0
3RT2026 11,0 25,0 18,0 13,0 18,0 18,0 13,0 16,0 16,0 13,0
3RT2027 15,0 25,0 25,0 21,0 23,0 20,0 20,0 20,0 20,0 17,0
3UF7101-
1AA00-0/
3RB2906-
2DG1
2,4 ... 25
3RT2028 18,5 25,0 25,0 21,0 23,0 20,0 20,0 20,0 20,0 17,0
Stand-alone
assembly
100 100 100 100 100 100 100 100 100
3RT2024 5,5 12,0 12,0 12,0 12,0 12,0 12,0
3RT2025 7,5 17,0 17,0 13,0 17,0 17,0 13,0 16,0 16,0 13,0
3RT2026 11,0 25,0 18,0 13,0 18,0 18,0 13,0 16,0 16,0 13,0
3RT2027 15,0 32,0 32,0 21,0 23,0 20,0 20,0 20,0 20,0 17,0
3UF7102-
1AA00-0/
3RB2906-
2JG1
10 ... 100
3RT2028 18,5 38,0 32,0 21,0 23,0 20,0 20,0 20,0 20,0 17,0
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