Fused selection tables up to 690 V
5.10 Contactor assemblies for star-delta (wye-delta) start + 3RB30/31 solid-state overload relay and 3RT20 contactor
Configuring SIRIUS Innovations
88 Configuration Manual, 04/2010, A8E56203880102-02
5.10 Contactor assemblies for star-delta (wye-delta) start + 3RB30/31
solid-state overload relay and 3RT20 contactor
Short-circuit protection with fuses for contactor assemblies for star-delta (wye-delta) start with
3RB30/31 solid-state overload relay and 3RT20 contactor up to 400 V / 65 kA, CLASS 10, type of
coordination 1 and 2
Table 5- 16 Fuse links according to IEC 60947 operating class gG,
(NH DIAZED, NEOZED; type 3NA, 5SB, 5SE)
Standard three-
phase motor
4-pole at 400 V AC
2)
Overload relay Line
contactor / delta
contactor
Star contactor Fuse links
1)
Type of coordination
2)
Standard
output
kW
Motor
current
A
MLFB Setting range
A
MLFB MLFB
1 2
Size S00
0,75 1,9 1 ... 4 3RT2015-1AP01 3RT2015-1AP01 35 20
1,1 2,7 1 ... 4 3RT2015-1AP01 3RT2015-1AP01 35 20
1,5 3,5 1 ... 4 3RT2015-1AP01 3RT2015-1AP01 35 20
2,2 5 1 ... 4 3RT2015-1AP01 3RT2015-1AP01 35 20
3 6,5
3RB3016-1PB0
1 ... 4 3RT2015-1AP01 3RT2015-1AP01 35 20
4 8,5 3 ... 12 3RT2015-1AP01 3RT2015-1AP01 35 20
5,5 11,5 3 ... 12 3RT2015-1AP01 3RT2015-1AP01 35 20
7,5 15,5
3RB3016-1SB0
3 ... 12 3RT2017-1AP01 3RT2015-1AP01 50 25
11 22 3RB3016-1TB0 4 ... 16 3RT2018-1AP01 3RT2016-1AP01 50 25
Size S0
7,5 15,5 3RB3016-1SB0 3 ... 12 3RT2024-1AP01 3RT2024-1AP01 63 25
11 22 6 ... 25 3RT2024-1AP01 3RT2024-1AP01 63 25
15 29 6 ... 25 3RT2026-1AP01 3RT2024-1AP01 100 35
18,5 35 6 ... 25 3RT2026-1AP01 3RT2024-1AP01 100 35
22 41
3RB3026-1QB0
6 ... 25 3RT2027-1AP01 3RT2026-1AP01 125 50
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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