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N o t e :
Step 3:
Rack Type
Lug Mounting
Bolt Torque
Wire Range
Lug Wire
Tightening
Torque
C A U T I O N :
1 0 0 , 1 2 0 , 1 2 7 V A C , 3 Ø D R d R a c k s
N o t e :
26
CE racks are supplied with ANSI hex wrenches for line feed terminations.
Tighten the lugs to the correct torque based on cable size. Torque ratings are
also labeled in the DRd rack enclosure for your convenience.
DRd12
120 and 230 VAC
6 Ft-lbs
8 Nm
350kcmil -
2-6 AWG
1 AWG
2
2
185mm
-
35mm
-
2
2
50mm
16mm
375 in-lbs
200 in-lbs
42.4 Nm
22.6 Nm
Dress wires neatly and avoid leaving extra wire inside the rack. Too much clutter
can restrict airflow and cause rack overtemp errors.
1
2
3
4
5
6
L1
7
8
9
10
11
12
L2
13
14
15
16
17
L3
18
19
20
21
N
22
23
24
For 120 VAC single phase installation you must modify the phase bus before
connecting wiring.
See "Modify Phase Bus for 120 VAC Split Phase Operation" on
page 19.
DRd12
240 and 277 VAC
11 Ft-lbs
15 Nm
250kcmil -
2-6 AWG
1 AWG
2
2
120mm
-
35mm
-
2
2
50mm
16mm
375 in-lbs
275 in-lbs
42.4 Nm
31 Nm
®
Unison
DRd Rack Enclosure Installation Manual
DRd6
(all models)
6 Ft-lbs
8 Nm
2/0-3 AWG
4-6 AWG
2
2
70mm
-
25mm
-
2
2
25mm
16mm
50 in-lbs
45 in-lbs
5.65 Nm
5.1 Nm
L1
1
2
3
4
5
6
L2
7
8
9
10
L3
11
12
N
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