Fused selection tables up to 690 V
5.3 Short-circuit protection: Contactor + 3RB3 solid-state overload relay
Configuring SIRIUS Innovations
Configuration Manual, 04/2010, A8E56203880102-02
77
Table 5- 6 Fuse links for overload relay and contactor size S0
Fuse links
1)
Acc. to IEC 60947
3)
Overload
relay
Overload relay
Setting range
Contactor
Type of coordination
2)
Acc. to UL 508
4)
(600 V)
Type A Type kW 1 2 Standard short-
circuit rating
High short-
circuit rating
Stand-alone
assembly
35 4 3 3 3RB3026-
1RB0
0,1 ... 0,4
3RT2024 5,5 35 4 — —
Stand-alone
assembly
35 6 6 6 3RB3026-
1NB0
0,32 ... 1,25
3RT2024 5,5 35 6 — —
Stand-alone
assembly
63 20 15 15 3RB3026-
1PB0
1 ...4
3RT2024 5,5 63 20 — —
Stand-alone
assembly
63 50 45 45
3RT2024 5,5 63 25 — —
3RB3026-
1SB0
3 ... 12
3RT2025 7,5 63 25 — —
Stand-alone
assembly
125 63 100 100
3RT2025 7,5 63 25 — —
3RT2026 11,0 100 35 — —
3RT2027 15,0 125 50 — —
3RB3026-
1QB0
6 ... 25
3RT2028 18,5 125 50 — —
Stand-alone
assembly
125 80 100 100
3RT2027 15,0 125 50 — —
3RB3026-
1VB0
10 ... 40
3RT2028 18,5 125 50 — —
1)
Take account of the operating voltage
2)
Assignment and short-circuit protective devices acc. to DIN EN 60947-4-1
3)
NH type 3NA, DIAZED type 5SB, NEOZED type 5SE
4)
RK1, RK5, J, CC
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