ETC Unison DRd Dimming Rack Enclosure - Manual (Page 30)

26 DRd Enclosure Installation Manual
Step 3: Tighten the lugs to the correct torque based on cable size. Torque ratings are
also labeled in the DRd enclosure for your convenience.
100, 120, 127 V AC, 3Ø DRd Enclosures
N o t e : CE enclosures are supplied with ANSI hex wrenches for line feed terminations.
Type
DRd12
120 and 230V AC
DRd12
240 and 277V AC
DRd6
(all models)
Lug Mounting
Bolt Torque
6 Ft-lbs 8 Nm 11 Ft-lbs 15 Nm 6 Ft-lbs 8 Nm
Wire Range
350kcmil -
1 AWG
2-6 AWG
250kcmil -
1 AWG
2-6 AWG 2/0-3 AWG 4-6 AWG
185mm
2
-
50mm 2
35mm
2
-
16mm 2
120mm
2
-
50mm 2
35mm
2
-
16mm 2
70mm
2
-
25mm 2
25mm
2
-
16mm 2
Lug Wire
Tightening
Torque
375 in-lbs 200 in-lbs 375 in-lbs 275 in-lbs 50 in-lbs 45 in-lbs
42.4 Nm 22.6 Nm 42.4 Nm 31 Nm 5.65 Nm 5.1 Nm
C A U T I O N : Dress wires neatly and avoid leaving extra wire inside the enclosure. Too much
clutter can restrict airflow and cause overtemp errors.
N o t e : For 120V AC single phase installation you must modify the phase bus before
connecting wiring. See “Modify Phase Bus for 120V AC Split Phase Operation” on
page 19.
1
2
3
4
5
6
7
8
9
10
11
12
L1
L2
L3
N
L1
L2
L3
N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24