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ELECTRIC HEAT DATA - CBX32MV-036
Model Number
SINGLE PHASE
4 kW
ECB40-4 (12L76)
4 lbs.
Terminal Block
ECB40-4CB (12L78)
35A Circuit breaker
5 kW
ECB40-5 (12L79)
4 lbs.
Terminal Block
ECB40-5CB (12L88)
35A Circuit breaker
6 kW
ECB40-6 (12L86)
4 lbs.
Terminal Block
ECB40-6CB (12L89)
40A Circuit breaker
8 kW
ECB40-8 (12L87)
5 lbs.
Terminal Block
ECB40-8CB (12L90)
50A Circuit breaker
9 kW
ECB40-9CB (12L91)
5 lbs.
60A Circuit breaker
12.5 kW
ECB40-12.5CB
10 lbs.
(12L92)
(1) 30A and
(1) 45A Circuit breaker
15 kW
ECB40-15CB (12L93)
12 lbs.
(1) 35A and
(1) 60A Circuit breaker
20 kW
ECB40-20CB (12L94)
19 lbs.
(2) 60A Circuit breaker
THREE PHASE
8 kW
ECB40-8 (12L96)
5 lbs.
Terminal Block
10 kW
ECB40-10 (12L97)
6 lbs.
Terminal Block
15 kW
ECB40-15CB (12L98)
12 lbs.
50A Circuit breaker
20 kW
ECB40-20CB (12L99)
19 lbs.
(2) 35A Circuit breaker
NOTE - Circuit 1 Minimum Circuit Ampacity includes the Blower Motor Full Load Amps.
Electric heater capacity only - does not include additional blower motor heat capacity.
1
Amps shown are for blower motor only.
2
Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. Use wires suitable for at least 167°F.
3
Bold text indicates that the circuit breaker on "CB" circuit breaker models must be replaced with size noted. See Table on Page 6.
4
HACR type circuit breaker or fuse.
5
No. of
Volts
kW
Btuh
1
Stages
Input
Input
Input
1
208
3.0
10,250
220
3.4
11,450
230
3.7
12,550
240
4.0
13,650
1
208
3.8
12,800
220
4.2
14,300
230
4.6
15,700
240
5.0
17,100
1
208
4.5
15,400
220
5.0
17,100
230
5.5
18,800
240
6.0
20,500
1
208
6.0
20,500
220
6.7
22,900
230
7.3
25,100
240
8.0
27,300
2
208
6.8
23,100
220
7.6
25,800
230
8.3
28,200
240
9.0
30,700
2
208
9.4
32,000
220
10.5
35,800
230
11.5
39,200
240
12.5
42,600
2
208
11.3
38,400
220
12.6
43,000
230
13.8
47,000
240
15.0
51,200
2
208
15.0
51,200
220
16.8
57,300
230
18.4
62,700
240
20.0
68,200
1
208
6.0
20,500
220
6.7
22,900
230
7.3
25,100
240
8.0
27,300
1
208
7.5
25,600
220
8.4
28,700
230
9.2
31,400
240
10.0
34,100
1
208
11.3
38,400
220
12.6
43,000
230
13.5
47,000
240
15.0
51,200
2
208
15.0
51,200
220
16.8
57,300
230
18.4
62,700
240
20.0
68,200
Minimum
3
5
Blower
Circuit
Overcurrent
2
Motor
Ampacity
Full Load
Amps
Ckt 1 Ckt 2 Ckt 1 Ckt 2
4.0
23
- - -
4.0
24
- - -
4.0
25
- - -
4.0
26
- - -
4.0
28
- - -
4.0
29
- - -
4.0
30
- - -
4.0
31
- - -
4.0
32
- - -
4.0
33
- - -
4.0
35
- - -
4.0
36
- - -
4.0
41
- - -
4.0
43
- - -
4.0
45
- - -
4.0
47
- - -
4.0
46
- - -
4.0
48
- - -
4.0
50
- - -
4.0
52
- - -
4.0
24
38
4.0
25
40
4.0
26
42
4.0
27
44
4.0
28
45
4.0
29
48
4.0
30
50
4.0
31
52
4.0
46
50
4.0
48
53
4.0
50
55
4.0
52
57
4.0
26
- - -
4.0
27
- - -
4.0
28
- - -
4.0
28
- - -
4.0
31
- - -
4.0
33
- - -
4.0
34
- - -
4.0
35
- - -
4.0
44
- - -
4.0
46
- - -
4.0
48
- - -
4.0
50
- - -
4.0
31
26
4.0
33
28
4.0
34
29
4.0
35
30
Maximum
Single Point
Power Source
Protection
Minimum
Maximum
3
5
Circuit
Overcurrent
Ampacity
Protection
25
- - -
- - -
4
25
- - -
- - -
4
25
- - -
- - -
4
30
- - -
- - -
4
30
- - -
- - -
4
30
- - -
- - -
4
30
- - -
- - -
4
35
- - -
- - -
35
- - -
- - -
4
35
- - -
- - -
4
35
- - -
- - -
4
40
- - -
- - -
45
- - -
- - -
4
45
- - -
- - -
4
45
- - -
- - -
4
50
- - -
- - -
50
- - -
- - -
4
50
- - -
- - -
4
50
- - -
- - -
4
60
- - -
- - -
25
40
62
4
4
25
40
65
4
4
30
45
68
30
45
71
30
45
73
4
4
30
50
77
4
4
30
50
80
4
4
35
60
83
50
50
95
4
4
50
60
101
4
50
60
105
4
60
60
109
30
- - -
- - -
30
- - -
- - -
30
- - -
- - -
30
- - -
- - -
35
- - -
- - -
35
- - -
- - -
35
- - -
- - -
40
- - -
- - -
45
- - -
- - -
4
50
- - -
- - -
50
- - -
- - -
50
- - -
- - -
35
30
57
4
35
30
61
4
35
30
63
4
40
35
65
4
CBX32MV / Page 17
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
70
70
70
80
80
80
80
90
100
110
110
110
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
60
70
70
70
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