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Affinity User Guide 73
Issue Number: 5 www.controltechniques.com
Table 4-5 Size 4 and larger input current, fuse and cable size ratings
Installation class (ref: IEC60364-5-52:2001)
B1 - Separate cables in conduit.
B2 - Multicore cable in conduit
C - Multicore cable in free air.
Cable sizes are from IEC60364-5-52:2001 table A.52.C with correction
factor for 40°C ambient of 0.87 (from table A52.14) for cable installation
method B2 (multicore cable in conduit).
Only PVC insulated cables should be used.
Cable size may be reduced if a different installation method is used, or if
the ambient temperature is lower.
The recommended cable sizes above are only a guide. The mounting
and grouping of cables affects their current-carrying capacity, in some
cases smaller cables may be acceptable but in other cases a larger
cable is required to avoid excessive temperature or voltage drop. Refer
to local wiring regulations for the correct size of cables.
N
The recommended output cable sizes assume that the motor maximum
current matches that of the drive. Where a motor of reduced rating is
used the cable rating may be chosen to match that of the motor. To
ensure that the motor and cable are protected against overload, the
drive must be programmed with the correct motor rated current.
N
UL listing is dependent on the use of the correct type of UL-listed fuse,
and applies when symmetrical short-circuit current does not exceed
100kA. See Chapter 14 UL listing information on page 264 for sizing
information.
A fuse or other protection must be included in all live connections to the
AC supply.
An MCB (miniature circuit breaker) or MCCB (moulded-case circuit-
breaker) with type C may be used in place of fuses on sizes 1 to 3 under
the following conditions:
• The fault-clearing capacity must be sufficient for the installation
• For frame sizes 2 and 3, the drive must be mounted in an enclosure
which meets the requirements for a fire enclosure (For details
regarding fire enclosures see section 3.2.6 Fire protection on
page 20).
See Chapter 14 UL listing information on page 264 for UL listing
requirements.
Fuse types
The fuse voltage rating must be suitable for the drive supply voltage.
Ground connections
The drive must be connected to the system ground of the AC supply.
The ground wiring must conform to local regulations and codes of
practice.
4.7.1 Main AC supply contactor
The recommended AC supply contactor type for sizes 1 to 6 is AC1.
Model
Typical input
current
Maximum
input current
Fuse option 1
Fuse option 2
semiconductor fuse in series
with HRC fuse or breaker
Cable size
IEC class
gR
North
America:
Ferraz HSJ
HRC
IEC class gG
UL class J
Semi-
conductor
IEC class aR
EN60204 UL508C
AAAAA A
Input
mm
2
Output
mm
2
Input
AWG
Output
AWG
BA
4201 62.1
68.9 100 90 90 160 25 25 3 3
BA
4202 72.1
78.1 100 100 100 160 35 35 3 3
BA
4203 94.5
99.9 125 125 125 200 70 70 1 1
BA
5201 116
142 200 175 160 200 95 95 2/0 2/0
BA
5202 137
165 250 225 200 250 120 120 4/0 4/0
BA
4401 61.2
62.3 80 80 80 160 25 25 3 3
BA
4402 76.3
79.6 110 110 100 200 35 35 2 2
BA
4403 94.1
97.2 125 125 125 200 70 70 1 1
BA
5401 126
131 200 175 160 200 95 95 2/0 2/0
BA
5402 152
156 250 225 200 250 120 120 4/0 4/0
BA
6401 224
241 315 300 250 315 2 x 70 2 x 70 2 x 2/0 2 x 2/0
BA
6402 247
266 315 300 300 350 2 x 95 2 x 95 2 x 4/0 2 x 4/0
BA
4601 23
26.5 63 60 32 125 4 4 10 10
BA
4602 26.1
28.8 63 60 40 125 6 6 8 8
BA
4603 32.9
35.1 63 60 50 125 10 10 8 8
BA
4604 39
41 63 60 50 125 16 16 6 6
BA
4605 46.2
47.9 63 60 63 125 16 16 6 6
BA
4606 55.2
56.9 80 60 63 125 25 25 4 4
BA
5601 75.5
82.6 125 100 90 160 35 35 2 2
BA
5602 89.1
94.8 125 100 125 160 50 50 1 1
BA
6601 128
138 200 200 200 200 2 x 50 2 x 50 2 x 1 2 x 1
BA
6602 144
156 200 200 200 200 2 x 50 2 x 50 2 x 1 2 x 1
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