819682-UIM-A-0212
10
Johnson Controls Unitary Products
* May be 0 (no breaker) or 1 (with breaker).
TABLE 11:
Electrical Data - (For
Single Source
Power Supply) - Copper Wire 1 Ø - 208/230-1-60
Models
Heater
Models*
Heater
Amps
240V
Field Wiring
Min. Circuit Ampacity
Max. O.C.P.
Amps/Type
1
75
°
C Wire Size - AWG
208V
230V
208V
230V
208V
230V
MX12B
4HK*6500506A
20
25.1
28.5
30
30
10
10
4HK*6500806A
31.3
37.1
42.6
40
45
8
8
4HK*6501006A
40
46.7
53.5
50
60
8
6
4HK16501306A
54.2
62.1
71.2
70
80
4
4
4HK165N1506A
60
68.4
78.5
80
90
4
3
MX12D
4HK*6500506
20
25.1
28.5
30
30
10
10
4HK*6500806
31.3
37.1
42.6
40
45
8
8
4HK*6501006
40
46.7
53.5
50
60
8
6
4HK16501306A
54.2
62.4
71.2
70
80
4
4
4HK16501506
60
68.4
78.5
80
90
4
4
4HK16501806
73.3
82.9
95.1
90
100
3
3
4HK16502006
80
90
103.5
100
110
3
2
MX16C
4HK*6500506
20
26.8
30.1
30
35
10
10
4HK*6500806
31.3
38.8
43.6
40
50
8
8
4HK*6501006
40
48.4
54.5
50
60
8
6
4HK16501306A
54.2
64
72.8
70
80
4
4
4HK16501506
60
70
79.5
80
90
4
4
4HK16501806
73.3
84.5
96.1
90
100
3
3
4HK16502006
80
91.6
104.5
100
110
3
2
MX20D
4HK*6500806
31.3
41.2
46.6
45
50
8
8
4HK*6501006
40
50.8
57.5
60
60
8
6
4HK16501306A
54.2
66.4
75.2
70
80
4
4
4HK16501506
60
72.4
82.5
80
90
4
4
4HK16501806
73.3
86.9
99.1
90
110
3
3
4HK16502006
80
94.1
107.5
100
110
3
2
4HK16502506
100
115.7
132.5
125
150
1
1/0
1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
TABLE 12:
Electrical Data - (For
Multi-Source
Power Supply) - Copper Wire 1 Ø - 208/230-1-60
Models
Heater
Models
Min. Circuit Ampacity
Max. O.C.P.
Amps/Type
1
75
°
C Wire Size - AWG
Circuit
Circuit
Circuit
1st
2nd
3rd
1st
2nd
3rd
1st
2nd
3rd
208/230
208/230
208/230
208/230 208/230 208/230 208/230 208/230 208/230
MX12B
4HK16501306A
42.6/48.6
17.1/20.6
-/-
45/60
20/25
-/-
8/8
10/10
-
4HK165N1506A
46.7/53.5
19.2/23.1
-/-
50/60
25/25
-/-
8/6
10/10
-
MX12D
4HK16501306A
40.8/47.1
21.6/24.1
-/-
50/50
25/25
-/-
8/8
10/10
4HK16501506
46.7/53.5
19.2/23.1
-/-
50/60
25/25
-/-
8/6
10/10
-
4HK16501806
43/49.4
37.1/44
-/-
50/60
40/50
-/-
8/6
8/8
-
4HK16502006
46.7/53.5
40.9/48.1
-/-
50/60
45/50
-/-
8/6
8/8
-
MX16C
4HK16501306A
41.6/47.9
22.4/25.0
-/-
50/50
25/30
-/-
8/8
10/8
4HK16501506
48.4/55.1
19.1/23.2
-/-
50/60
25/25
-/-
8/6
10/10
-
4HK16501806
44.6/50.3
37.0/44.1
-/-
50/60
40/50
-/-
8/6
8/8
-
4HK16502006
48.4/54.5
40.8/48.2
-/-
50/60
45/50
-/-
6/6
8/6
-
MX20D
4HK16501306A
42.9/49.1
23.6/26.2
-/-
50/50
25/30
-/-
8/8
10/8
4HK16501506
50.8/57.5
19.4/23.7
-/-
60/60
25/25
-/-
8/6
10/10
-
4HK16501806
47.1/53.3
37.3/44.6
-/-
50/60
40/50
-/-
8/6
8/8
-
4HK16502006
50.8/57.5
41.1/48.7
-/-
60/60
45/50
-/-
6/6
8/6
-
4HK16502506
50.8/57.5
41.1/48.7
19.4/23.7
60/60
45/50
25/25
6/6
8/6
10/10
1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
