Fuse design with SITOR fuses 3NE3 for full utilization
(solid-state protection)
Soft starter
Semiconductor Fuse
Type
Type
Assignment Type 2: I
= 50 kA at 400 V
q
3RW34 52-0DC.4
3NE3 224
3RW34 54-0DC.4
3NE3 225
3RW34 55-0DC.4
3NE3 231
3RW34 56-0DC.4
3NE3 233
3RW34 57-0DC.4
3NE3 233
2
3RW34 58-0DC.4
) 3NE3 333
3RW34 65-0DC.4
3NE3 334-0B
3RW34 66-0DC.4
3NE3 336
3RW34 67-0DC.4
3NE3 340-8
3RW34 68-0DC.4
3NE3 340-8
3RW34 83-0DC.4
3NE3 340-8
3RW34 84-0DC.4
2 x 3NE3 340-8 2 x 900 2
2
3RW34 86-0DC.4
) 2 x 3NE3 340-8 2 x 900 2
Table 20 : Fuse design with SITOR fuses 3NE3 for full utilization of the soft starter, greatest possible protection
1
) e.g. 3 x I
for 60 s.
e
2
) e.g. 3 x I
for 30 s.
e
3ZX1012-0RW34-1AN1
1
) of the soft starter, greatest possible protection.
Fuse
Nominal
Current
Size
A
160
1
200
1
350
1
450
1
450
1
450
2
500
2
630
2
900
2
900
2
900
2
Soft starter
Semiconductor Fuse
Type
Type
Assignment Type 2: I
= 50 kA at 575 V
q
3RW34 52-0DC.5
3NE3 224
3RW34 54-0DC.5
3NE3 225
3RW34 55-0DC.5
3NE3 230-0B
3RW34 56-0DC.5
3NE3 233
3RW34 57-0DC.5
3NE3 233
2
3RW34 58-0DC.5
) 3NE3 333
3RW34 65-0DC.5
3NE3 334-0B
3RW34 66-0DC.5
3NE3 336
3RW34 67-0DC.5
3NE3 340-8
3RW34 68-0DC.5
3NE3 340-8
3RW34 83-0DC.5
3NE3 340-8
3RW34 84-0DC.5
2 x 3NE3 340-8 2 x 900 2
2
3RW34 86-0DC.5
) 2 x 3NE3 340-8 2 x 900 2
Spare and Optional Parts
Fuse
Nominal
Current
Size
A
160
1
200
1
315
1
450
1
415
1
450
2
500
2
630
2
900
2
900
2
900
2
35