Nidec Digistart D3 User Manual

Digistart D3: User Guide 41
Issue: G
4.4.4 Fuse Selection for Type 2 Coordination
Type 2 coordination is achieved by using semiconductor fuses. These fuses must be able to carry motor start current
and have a total clearing I
2
t less than the I
2
t of the soft starter SCRs.
When selecting semiconductor fuses for Digistart D3, use the I
2
t values in the table.
For further information on selecting semiconductor fuses, contact your local distributor.
Model
SCR I
2
t (A
2
s)
D3-0023-B
1150
D3-0043-B
8000
D3-0050-B
10500
D3-0053-B
15000
D3-0076-B
D3-0097-B
51200
D3-0100-B
80000
D3-0105-B
125000
D3-0145-B
D3-0170-B
D3-0200-B
320000
D3-0220-B
D3-0255-B
D3-0350-B
202000
D3-0425-B
320000
D3-0500-B
D3-0700-B
781000
D3-0580-B
D3-0820-B
1200000
D3-0920-B
2530000
D3-1000-B
D3-0255-N
D3-0360-N
320000
D3-0380-N
D3-0430-N
D3-0620-N
1200000
D3-0650-N
D3-0790-N
2530000
D3-0930-N
4500000
D3-1200-N
D3-1410-N
6480000
D3-1600-N
12500000
4.4.5 Control supply fuses
The following table lists the recommended control supply fuses. It is recommended that you use slow blow fuses
which allow a 10A, 0.01 second surge.
Fuse type
Part Number
Ferraz Shawmut
Class J 1A
AJT1 (North America)
IEC aM 1A
16511-G (10x38)
17511-G (14x51)
15511-G (8x31)
Bussman
Class J 1A
LPJ-1SP (North America)
IEC aM 1A
C08M1 (8x32)
C10M1 (10x38)
C14M1 (14x51)

Nidec Digistart D3 Specifications

General

Brand	Nidec
Model	Digistart D3
Category	Controller
Language	English