English
INSTALLATION AND CONNECTION
For frame size models A, B and C time-delay fuses sized for 1.2 x the inverter rated input current can be used on
the inverter input. In this case, the installation is protected against short-circuit, but not the inverter input rectifier.
Table 3.5:
Fuse specifications as per IEC standards
Protection with High Speed Fuses
AC Power Supply
Recommended WEG aR
FNH blade contact type fuses
DC Power Supply
Model
Maximum
Short-Circuit
Current of the
Power Supply [kA]
Panel
I²t of the
diode
[A²s]
Fuse Rated
Current
[A]
Size
WEG Reference
SAP code
Fuse Rated
Current
[A]
Fuse
Recommendation
CFW900A04P6B2
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A06P0B2
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A07P5B2
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A10P0B2
685
20
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A04P6T2
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A06P0T2
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A07P5T2
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A10P6T2
300
20
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A13P0T2
300
20
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A19P0T2
685
25
000
FNH000-35K-A
13737105
35
Mersen A70QS35-4
CFW900B26P0T2
1100
35
000
FNH000-40K-A
13737107
80
Mersen A70QS80-4
CFW900B34P0T2
1100
40
000
FNH000-50K-A
13737128
80
Mersen A70QS80-4
CFW900B45P0T2
5 without panel
65 with panel
(1)
Depends on
the maximum
short-circuit
current of
the grid
1100
60
000
FNH000-63K-A
13737129
80
Mersen A70QS80-4
CFW900C56P0T2
1700
80
00
FNH00-80K-A
10705995
150
Mersen A70QS150-4
CFW900C70P0T2
3850
100
00
FNH00-100K-A
10707110
150
Mersen A70QS150-4
CFW900C80P0T2
Yes
(1)(2)
3850
100
00
FNH00-125K-A
10707231
150
Mersen A70QS150-4
CFW900D0110T2
16200
125
00
FNH00-200K-A
10710732
250
Mersen A70QS250-4
CFW900D0135T2
25313
200
00
FNH00-250K-A
10711445
250
Mersen A70QS250-4
CFW900D0150T2
Yes
(1)(2)
25313
200
1
FNH1-250K-A
10809489
250
Mersen A70QS250-4
CFW900E0172T2
101250
250
1
FNH1-350K-A
10814896
400
Mersen A70QS400-4
CFW900E0195T2
101250
300
1
FNH1-350K-A
10814896
400
Mersen A70QS400-4
CFW900E0250T2
65
Yes
(1)
101250
300
2
FNH2-400K-A
10824053
400
Mersen A70QS400-4
CFW900A02P8T4
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A03P6T4
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A04P8T4
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A06P5T4
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A09P6T4
300
15
000
FNH000-20K-A
13735555
35
Mersen A70QS35-4
CFW900A14P0T4
685
20
000
FNH000-25K-A
13735656
35
Mersen A70QS35-4
CFW900A17P0T4
685
25
000
FNH000-35K-A
13737105
35
Mersen A70QS35-4
CFW900B26P0T4
685
35
000
FNH000-40K-A
13737107
80
Mersen A70QS80-4
CFW900B33P0T4
685
40
00
FNH00-50K-A
10701718
80
Mersen A70QS80-4
CFW900B39P0T4
5 without panel
65 with panel
(1)
Depends on
the maximum
short-circuit
current of
the grid
1100
60
00
FNH00-63K-A
10705764
80
Mersen A70QS80-4
CFW900C50P0T4
1100
60
00
FNH00-63K-A
10705764
150
Mersen A70QS150-4
CFW900C62P0T4
3850
80
00
FNH00-80K-A
10705995
150
Mersen A70QS150-4
CFW900C74P0T4
Yes
(1)(2)
9800
100
00
FNH00-125K-A
10707231
150
Mersen A70QS150-4
CFW900D96P0T4
16200
125
00
FNH00-160K-A
10701724
250
Mersen A70QS250-4
CFW900D0124T4
25313
150
00
FNH00-200K-A
10710732
250
Mersen A70QS250-4
CFW900D0146T4
Yes
(1)(2)
25313
200
1
FNH1-250K-A
10809489
250
Mersen A70QS250-4
CFW900E0172T4
101250
250
1
FNH1-350K-A
10814896
400
Mersen A70QS400-4
CFW900E0203T4
101250
250
1
FNH1-350K-A
10814896
400
Mersen A70QS400-4
CFW900E0242T4
65
Yes
(1)
101250
300
2
FNH2-400K-A
10824053
400
Mersen A70QS400-4
(1)
Minimum panel dimensions for a grid short-circuit current capacity of 65 kA (see Table 3.7):
Frames A and B: 500x600x500 mm
Frame C: 500x800x600 mm
Frame D: 500x1000x500 mm
Frame E: 600x1000x600 mm
(2)
For the use of frames C and D drives in grids with a short-circuit current capacity of up to 10 kA there is no minimum panel size.
26 | CFW900
Summary of Contents for CFW900
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