Main fuses (fu1-fu3) – Rockwell Automation 23C PowerFlex 400 AC Drive Packages for Fan & Pump Apps User Manual
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Rockwell Automation Publication 23C-IN001B-EN-P - June 2013
Chapter 1
Main Input Disconnect Package (Style A/M)
Main Fuses (FU1-FU3)
Input line branch circuit protection fuses must be used to protect the input
power lines. If input fuses are not provided with your drive, recommended fuse
values are shown in
. The input fuse ratings listed in
are applicable
for one drive per branch circuit. No other load may be applied to that fused
circuit.
The recommended fuse type for all PowerFlex 400 Drive Packages for Fan &
Pump Applications is UL Class J.
Table 1 - Fuse Recommendations
ATTENTION: Most codes require that upstream branch circuit protection be
provided to protect input power wiring. Install the fuses recommended in
.
Do not exceed the fuse ratings. Failure to observe this precaution could result in
damage to, or destruction of, the equipment.
Drive Rating
Fuse Rating
Input Voltage
kW
Hp
Amps
208V AC – 3-Phase
2.2
3.0
20
3.7
5.0
20
5.5
7.5
35
7.5
10
40
11
15
80
15
20
100
18.5
25
125
22
30
150
30
40
200
37
50
250
460V AC – 3-Phase
2.2
3.0
10
4.0
5.0
15
5.5
7.5
20
7.5
10
20
11
15
35
15
20
35
18.5
25
60
22
30
70
30
40
80
37
50
100
45
60
150
55
75
175
75
100
200
90
125
250
110
150
350
132
200
400
160
250
500
200
300
600
250
350
700