Series ILD Tubular Air Duct Heaters
Series ILD In Line Tubular Air Duct Heaters feature Incoloy® 840 elements, painted steel frame, NEMA 1 terminal enclosure, and replaceable element design.
Inline duct heater
Standard Features
26 watts per sq. inch on sheath
Incoloy 840 elements – 1700°F max. sheath temperature
Nichrome A resistance wire
Recompacted bends
NEMA 1 terminal enclosure
Replaceable element design
Painted steel frame
Recommended Operating Conditions
|
Recommended Operating Conditions
|
|
|
Air Speed
(ft. per second) |
Maximum
Operating Temp. |
|
4
|
600°F
|
|
9
|
650°F
|
|
16
|
750°F
|
Volts 3-Phase
|
Volts
3-Phase |
#
Circuits |
KW
|
A
|
B
|
D
|
#
Elems. |
Wt.
(lbs.) |
Catalog #
|
|
240
480 |
1
1 |
6
|
10 3⁄4
|
15 7⁄8
|
11 1⁄2
|
9
|
30
|
ILD9-6-3
ILD9-6-5 |
|
240
480 |
1
1 |
12
|
15 3⁄8
|
18 1⁄2
|
14 1⁄8
|
12
|
40
|
ILD12-12-3
ILD12-12-5 |
|
240
480 |
1
1 |
15
|
15 3⁄8
|
21 5⁄8
|
17 1⁄4
|
12
|
45
|
ILD12-15-3
ILD12-15-5 |
|
240
480 |
1
1 |
20
|
20 1⁄8
|
21 5⁄8
|
17 1⁄4
|
18
|
50
|
ILD18-20-3
ILD18-20-5 |
|
240
480 |
1
1 |
25
|
20 1⁄8
|
26 1⁄8
|
21 3⁄4
|
18
|
60
|
ILD18-25-3
ILD18-25-5 |
|
240
480 |
2
1 |
30
|
29 1⁄2
|
21 5⁄8
|
17 1⁄4
|
24
|
70
|
ILD24-30-3
ILD24-30-5 |
|
240
480 |
2
1 |
40
|
29 1⁄2
|
27 3⁄8
|
23
|
24
|
85
|
ILD24-40-3
ILD24-40-5 |
|
240
480 |
4
2 |
50
|
29 1⁄2
|
33 1⁄8
|
28 3⁄4
|
24
|
105
|
ILD24-50-3
ILD24-50-5 |