Fused selection tables up to 690 V
5.7 Short-circuit protection: Soft starter + 3RU2 thermal overload relay
Configuring SIRIUS Innovations
Configuration Manual, 04/2010, A8E56203880102-02
85
5.7 Short-circuit protection: Soft starter + 3RU2 thermal overload relay
Short-circuit protection with fuses for motor feeders with 3RW30 soft starter and 3RU21 thermal
overload relay up to 400 V / 65 kA, type of coordination 1 and 2
Table 5- 13 Fuse links according to IEC 60947 operating class gG,
(NH DIAZED, NEOZED; type 3NA, 5SB, 5SE)
Fuse links
1)
Overload relay Contactor Soft starter
Type of coordination
2)
MLFB Setting range MLFB kW MLFB kW 1 2
Size S00
3RU2116-1CB0 1,8 ... 2,5 3RT2015-1.. 3 3RW3013 1,5 10 16
3RU2116-1DB0 2,2 ... 3,2 3RT2015-1.. 3 3RW3013 1,5 10 16
3RU2116-1EB0 2,8 ... 4,0 3RT2015-1.. 3 3RW3013 1,5 10 16
3RU2116-1FB0 3,5 ... 5,0 3RT2015-1.. 3 3RW3014 3 16 16
3RU2116-1GB0 4,5 ... 6,3 3RT2015-1.. 3 3RW3014 3 16 16
3RU2116-1HB0 5,5 ... 8,0 3RT2016-1.. 4 3RW3016 4 20 16
3RU2116-1JB0 7,0 ... 10 3RT2016-1.. 4 3RW3016 4 20 16
3RU2116-1KB0 9,0 ... 12,5 3RT2017-1.. 5,5 3RW3017 5,5 25 16
3RU2116-4AB0 11 ... 16 3RT2018-1.. 7,5 3RW3018 7,5 35 20
Size S0
3RU2126-4BB0 14 ... 20 3RT2026-1.. 11 3RW3026 11 63 35
3RU2126-4CB0 17 ... 22 3RT2026-1.. 11 3RW3026 11 63 35
3RU2126-4DB0 20 ... 25 3RT2026-1.. 11 3RW3026 11 63 35
3RU2126-4NB0 23 ... 28 3RT2027-1.. 15 3RW3027 15 80 80
3RU2126-4EB0 27 ... 32 3RT2027-1.. 15 3RW3027 15 80 80
3RU2126-4PB0 30 ... 36 3RT2028-1.. 18,5 3RW3028 18,5 80 80
3RU2126-4FB0 34 ... 40 3RT2028-1.. 18,5 3RW3028 18,5 80 80
1)
Please take account of the operating voltage
2)
Assignment and short-circuit protective devices acc. to DIN EN 60947-4-1
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