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Unidrive SPM User Guide 269
Issue Number: 3 www.controltechniques.com
14.1.18 Overall dimensions
H Height including surface mounting brackets
W Width
D Projection forward of panel when surface mounted
F Projection forward of panel when through-panel mounted
R Projection rear of panel when through-panel mounted
Table 14-17 Overall drive dimensions
14.1.19 Weights
Table 14-18 Overall drive weights
14.1.20 Input current, fuse and cable size ratings
The input current is affected by the supply voltage and impedance.
Typical input current
The values of typical input current are given to aid calculations for power
flow and power loss.
The values of typical input current are stated for a balanced supply.
Maximum continuous input current
The values of maximum continuous input current are given to aid the
selection of cables and fuses. These values are stated for the worst case
condition with the unusual combination of stiff supply with bad balance.
The value stated for the maximum continuous input current would only
be seen in one of the input phases. The current in the other two phases
would be significantly lower.
The values of maximum input current are stated for a supply with a 2%
negative phase-sequence imbalance and rated at the maximum supply
fault current given in Table 14-19.
Table 14-19 Supply fault current used to calculate maximum input currents
Table 14-20 Unidrive SPMA input current, fuse and cable size ratings
Table 14-21 Unidrive SPMD input current, fuse and cable size ratings
N
Fuse ratings are for a DC supply or paralleled DC bus arrangements. When supplied by a single SPMC or SPMU of the correct rating, the AC input
fuses provide protection for the drive and no DC fuse is required.
Size
Dimension
HWD F R
SPMA
1169mm
(46.016in)
310mm
(12.205in)
298mm
(11.732in)
200mm
(7.874in)
≤98mm
(3.858in)
SPMD
795.5mm
31.319in
202mm
(7.953in)
≤95mm
(3.740in)
SPMC/U
399.1mm
15.731in
Size kg lb
SPMA 80 176.4
SPMD 42 92.6
SPMC/U 20 44
Model Symmetrical fault level (kA)
SPMA
100SPMD
SPMC/U
Fuse protection must be provided at the power input.
Model
Typical
input
current
Maximum
input
current
Fuse option 1
IEC class gR
OR
Ferraz HSJ
Fuse option 2
HRC AND
Semi-conductor
Typical cable size
IEC class
gR
North
America:
Ferraz HSJ
HRC
IEC class gG
UL class J
Semi-
conductor
IEC class aR
AC input Motor output
Cable
installation
method
AA A A A A
mm
2
AWG
mm
2
AWG
SPMA14X1
224
241 315 300 250 315 2 x 70 2 x 2/0 2 x 70 2 x 2/0 B2
SPMA14X2
247
266 315 300 315 350 2 x 120 2 x 4/0 2 x 120 2 x 4/0 B2
SPMA16X1
128
138 200 200 200 200 2 x 50 2 x 1 2 x 50 2 x 1 B2
SPMA16X2
144
156 200 200 200 200 2 x 50 2 x 1 2 x 50 2 x 1 B2
Model
Typical DC
input
current
Maximum DC
input current
Maximum DC
input voltage for
cable rating
DC fuse
IEC class aR
Typical cable size
DC input Motor output
Cable
installation
methodAA V A
mm
2
AWG
mm
2
AWG
SPMD12X1 202 343 400 400 2 x 70 2 x 2/0 2 x 70 2 x 2/0 B2
SPMD12X2 261 400 400 560 2 x 95 2 x 4/0 2 x 120 2 x 4/0 B2
SPMD12X3 338 457 400 560 2 x 120 2 x 4/0 2 x 120 2 x 4/0 B2
SPMD12X4 372 552 400 560 2 x 120 2 x 4/0 2 x 120 2 x 4/0 B1 or C
SPMD14X1 222 343 800 400 2 x 70 2 x 2/0 2 x 70 2 x 2/0 B2
SPMD14X2 268 400 800 560 2 x 95 2 x 4/0 2 x 120 2 x 4/0 B2
SPMD14X3 314 457 800 560 2 x 120 2 x 4/0 2 x 120 2 x 4/0 B2
SPMD14X4 379 552 800 560 2 x 120 2 x 4/0 2 x 120 2 x 4/0 B1 or C
SPMD16X1 135 191 1150 250 2 x 95 2 x 4/0 2 x 50 2 x 1 B2
SPMD16X2 157 240 1150 315 2 x 120 2 x 4/0 2 x 50 2 x 1 B2
SPMD16X3 184 275 1150 350 2 x 120 2 x 4/0 2 x 50 2 x 1 B2
SPMD16X4 209 323 1150 400 2 x 120 2 x 4/0 2 x 50 2 x 1 B2
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