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.)

air duct series dl dm tubular heater

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
Air Speed
Max. Operating Temp.
5
300°F
10
400°F
15
500°F
Volts
3-Phase
#
Circuits
KW
A
B
C
D
E
G
Wt.
(lbs.)
#
Elems.
Catalog #
240
480
1
1
4.5
24 58
20 38
2 58
4 58
8
4
15
3
DL3-4-3
DL3-4-5
240
480
1
1
9
24 58
20 38
3 58
5 58
10
2 12
20
6
DL6-9-3
DL6-9-5
240
480
1
1
18
24 58
20 38
5 58
7 58
10
3 12
25
12
DL12-18-3
DL12-18-5
240
480
2
1
27
24 58
20 38
7 58
9 58
12
3
35
18
DL18-27-3
DL18-27-5
240
480
2
1
36
24 58
20 38
9 58
11 58
14
2 34
41
24
DL24-36-3
DL24-36-5
240
480
2
2
45
24 58
20 38
11 58
13 58
14
3 14
50
30
DL30-45-3
DL30-45-5
240
480
3
2
54
24 58
20 38
13 58
15 58
14
3 14
60
36
DL36-54-3
DL36-54-5
240
480
2
1
63
24 58
20 38
15 58
17 58
14
414
70
42
DL42-63-3
DL42-63-5
240
480
4
2
72
24 58
20 38
17 58
19 58
14
434
80
48
DL48-72-3
DL48-72-5