60 Watts per Lineal Inch Steel Sheath with Steel Fins
11 Watts/SQ. In. Straight Length
Catalog #
Watts
Volts
A
B
C
E
STFL-100-2
STFL-100-4
1000
240
480
22 ¾
18 ¾
25
2″
STFL-125-2
STFL-125-4
1250
240
480
26
22
28 ¼
2″
STFL-150-2
STFL-150-4
1500
240
480
31
27
33 ¼
2″
STFL-200-2
STFL-200-4
2000
240
480
39 ⅜
35 ⅜
41 ⅝
2″
STFL-250-2
STFL-250-4
2500
240
480
47 ¾
43 ¾
50
2″
STFL-300-2
STFL-300-4
3000
240
480
56
52
58 ¼
2″
STFL-400-2
STFL-400-4
4000
240
480
72 ¾
68 ¾
75
2″
STFL-500-2
STFL-500-4
5000
240
480
89 ⅜
85 ⅜
91 ⅝
2″
STFL-600-2
STFL-600-4
6000
240
480
106
102
108 ¼
2″
75 Watts per Lineal Inch Steel Sheath with Steel Fins
14 Watts/SQ. In. Straight Length
Catalog #
Watts
Volts
A
B
C
E
STFM-100-2
STFM-100-4
1000
240
480
19 ⅜
15 ⅜
21 ⅝
2″
STFM-125-2
STFM-125-4
1250
240
480
22 ¾
21
25
2″
STFM-150-2
STFM-150-4
1500
240
480
26
22
28 ¼
2″
STFM-200-2
STFM-200-4
2000
240
480
32 ¾
32 ¾
35
2″
STFM-250-2
STFM-250-4
2500
240
480
39 ⅜
35 ⅜
41 ⅝
2″
STFM-300-2
STFM-300-4
3000
240
480
46
42
48 ¼
2″
STFM-400-2
STFM-400-4
4000
240
480
59 ⅜
55 ⅜
61 ⅝
2″
STFM-500-2
STFM-500-4
5000
240
480
72 ¾
68 ¾
75
2″
STFM-600-2
STFM-600-4
6000
240
480
86
82
88 ¼
2″
100 Watts per Lineal Inch Steel Sheath with Steel Fins
18 Watts/SQ. In. Straight Length
Catalog #
Watts
Volts
A
B
C
E
STFH-100-2
STFH-100-4
1000
240
480
16
12
18 ¼
2″
STFH-125-2
STFH-125-4
1250
240
480
18 ½
14 ½
20 ¾
2″
STFH-150-2
STFH-150-4
1500
240
480
21
17
23 ¼
2″
STFH-200-2
STFH-200-4
2000
240
480
26
22
28 ¼
2″
STFH-250-2
STFH-250-4
2500
240
480
31
27
33 ¼
2″
STFH-300-2
STFH-300-4
3000
240
480
36
32
38 ¼
2″
STFH-400-2
STFH-400-4
4000
240
480
46
42
48 ¼
2″
STFH-500-2
STFH-500-4
5000
240
480
56
52
58 ¼
2″
STFH-600-2
STFH-600-4
6000
240
480
66
62
68 ¼
2″