Series DL Tubular Air Duct Heaters
Series DL Tubular Air Duct Heaters feature stainless steel elements, stainless steel element support, painted steel support rods & flange, NEMA 1 terminal enclosure, and replaceable element design.
Low temperature (500°F max.)
Standard Features
30 watts per sq. inch on sheath
Stainless steel elements – 1200°F max. sheath temperature
Stainless steel element support
Painted steel support rods & flange
NEMA 1 terminal enclosure
Recompacted bends
Replaceable element design
CSA certified with NEMA 1 Housing
Recommended Operating Conditions
|
Recommended Operating Conditions
|
|
|
Air Speed
|
Max. Operating Temp.
|
|
5
|
300°F
|
|
10
|
400°F
|
|
15
|
500°F
|
Volts 3-Phase
|
Volts
3-Phase |
#
Circuits |
KW
|
A
|
B
|
C
|
D
|
E
|
G
|
Wt.
(lbs.) |
#
Elems. |
Catalog #
|
|
240
480 |
1
1 |
4.5
|
24 5⁄8
|
20 3⁄8
|
2 5⁄8
|
4 5⁄8
|
8
|
4
|
15
|
3
|
DL3-4-3
DL3-4-5 |
|
240
480 |
1
1 |
9
|
24 5⁄8
|
20 3⁄8
|
3 5⁄8
|
5 5⁄8
|
10
|
2 1⁄2
|
20
|
6
|
DL6-9-3
DL6-9-5 |
|
240
480 |
1
1 |
18
|
24 5⁄8
|
20 3⁄8
|
5 5⁄8
|
7 5⁄8
|
10
|
3 1⁄2
|
25
|
12
|
DL12-18-3
DL12-18-5 |
|
240
480 |
2
1 |
27
|
24 5⁄8
|
20 3⁄8
|
7 5⁄8
|
9 5⁄8
|
12
|
3
|
35
|
18
|
DL18-27-3
DL18-27-5 |
|
240
480 |
2
1 |
36
|
24 5⁄8
|
20 3⁄8
|
9 5⁄8
|
11 5⁄8
|
14
|
2 3⁄4
|
41
|
24
|
DL24-36-3
DL24-36-5 |
|
240
480 |
2
2 |
45
|
24 5⁄8
|
20 3⁄8
|
11 5⁄8
|
13 5⁄8
|
14
|
3 1⁄4
|
50
|
30
|
DL30-45-3
DL30-45-5 |
|
240
480 |
3
2 |
54
|
24 5⁄8
|
20 3⁄8
|
13 5⁄8
|
15 5⁄8
|
14
|
3 1⁄4
|
60
|
36
|
DL36-54-3
DL36-54-5 |
|
240
480 |
2
1 |
63
|
24 5⁄8
|
20 3⁄8
|
15 5⁄8
|
17 5⁄8
|
14
|
41⁄4
|
70
|
42
|
DL42-63-3
DL42-63-5 |
|
240
480 |
4
2 |
72
|
24 5⁄8
|
20 3⁄8
|
17 5⁄8
|
19 5⁄8
|
14
|
43⁄4
|
80
|
48
|
DL48-72-3
DL48-72-5 |