DOC-0017-04-EN: AC20 Series - Hardware Installation Manual
60 (154)
DOC-0017-04-EN-A 22.03.2023
7.1 AC Line Fuses
Line input fuse ratings are given in the tables below for both European and North American & Canada
territories.
For North America, the recommended fuses are either Mersen A60Q series, 600Vac/dc semiconductor
protection fuses or Mersen A50QS series, 500Vac/dc semiconductor protection fuses.
These fuse series are:
1. UL recognised components.
2. Suitable for use on supplies delivering up to 50kA RMS symmetrical Amperes, 480V maximum.
Input bridge I²T values have also been provided in the table to allow customers to source suitable fuses for
use in their installations.
1ø, 230V Products
Frame
Size
Product Code
Motor
Power
(kW)
Input Bridge
I
2
T (A
2
s)
Europe
North America & Canada
Input Fuse
Rating (A)
Input Fuse
Rating (A)
Input Fuse
Type
2
20G-12-0070...
1.5
508
20
25
A60Q Series
20G-12-0100...
2.2
508
25
25
A60Q Series
3ø, 230V Products
Frame
Size
Product Code
Motor
Power
(kW)
Input Bridge
I
2
T (A
2
s)
Europe
North America & Canada
Input Fuse
Rating (A)
Input Fuse
Rating (A)
Input Fuse
Type
2
20G-32-0070...
1.5
800
10
10
A60Q Series
20G-32-0100...
2.2
800
16
25
A60Q Series
3
20G-33-0170...
4.0
390
25
25
A60Q Series
4
20G-34-0210...
5.5
1800
32
50
A50QS Series
5
20G-35-0300...
7.5
6050
40
50
A50QS Series
20G-35-0400...
11
6050
50
50
A50QS Series
3ø, 400V Products
Frame
Size
Product Code
Motor
Power
(kW)
Input Bridge
I
2
T (A
2
s)
Europe
North America & Canada
Input Fuse
Rating (A)
Input Fuse
Rating (A)
Input Fuse
Type
2
20G-42-0040...
1.5
360
10
10
A60Q Series
20G-42-0065...
2.2
360
16
10
A60Q Series
20G-42-0090...
4.0
510
20
25
A60Q Series
3
20G-43-0120...
5.5
510
20
25
A60Q Series
20G-43-0170...
7.5
510
30
25
A60Q Series
4
20G-44-0230...
11
648
30
50
A50QS Series
20G-44-0320...
15
1352
50
50
A50QS Series
5
20G-45-0380...
18.5
1352
50
70
A50QS Series
20G-45-0440...
22
4485
63
100
A50QS Series
20G-45-0600...
30
3050
100
100
A50QS Series
6
20G-46-0750…
37
16200
100
150
A50QS Series
20G-46-0900…
45
25000
125
150
A50QS Series
7
20G-47-1100…
55
180000
160
200
A50QS Series
20G-47-1500…
75
231200
200
300
A50QS Series
8
20G-48-1800…
90
285000
250
300
A50QS Series
20G-48-2200…
110
285000
315
400
A50QS Series
20G-48-2650…
132
307000
315
400
A50QS Series
9
20G-49-3200…
160
845000
400
500
A50QS Series
10
20G-410-3600…
180
845000
500
600
A50QS Series