CBX32MV / Page 17
ELECTRIC HEAT DATA - CBX32MV-036
Model Number
No. of
Stages
Volts
Input
kW
Input
1
Btuh
Input
2
Blower
Motor
Full Load
Amps
3
Minimum
Circuit
Ampacity
5
Maximum
Overcurrent
Protection
Single Point
Power Source
Ckt 1 Ckt 2 Ckt 1 Ckt 2
3
Minimum
Circuit
Ampacity
5
Maximum
Overcurrent
Protection
SINGLE PHASE
4 kW
4 lbs.
ECB40-4 (12L76)
Terminal Block
ECB40-4CB (12L78)
35A Circuit breaker
1 208 3.0 10,250 4.0 23 - - -
4
25 - - - - - - - - -
220 3.4 11,450 4.0 24 - - -
4
25 - - - - - - - - -
230 3.7 12,550 4.0 25 - - -
4
25 - - - - - - - - -
240 4.0 13,650 4.0 26 - - -
4
30 - - - - - - - - -
5 kW
4 lbs.
ECB40-5 (12L79)
Terminal Block
ECB40-5CB (12L88)
35A Circuit breaker
1 208 3.8 12,800 4.0 28 - - -
4
30 - - - - - - - - -
220
4.2 14,300 4.0 29 - - -
4
30 - - - - - - - - -
230 4.6 15,700 4.0 30 - - -
4
30 - - - - - - - - -
240 5.0 17,100 4.0 31 - - - 35 - - - - - - - - -
6 kW
4 lbs.
ECB40-6 (12L86)
Terminal Block
ECB40-6CB (12L89)
40A Circuit breaker
1 208 4.5 15,400 4.0 32 - - -
4
35 - - - - - - - - -
220 5.0 17,100 4.0 33 - - -
4
35 - - - - - - - - -
230 5.5 18,800 4.0 35 - - -
4
35 - - - - - - - - -
240 6.0 20,500 4.0 36 - - - 40 - - - - - - - - -
8 kW
5 lbs.
ECB40-8 (12L87)
Terminal Block
ECB40-8CB (12L90)
50A Circuit breaker
1 208 6.0 20,500 4.0 41 - - -
4
45 - - - - - - - - -
220 6.7 22,900 4.0 43 - - -
4
45 - - - - - - - - -
230 7.3 25,100 4.0 45 - - -
4
45 - - - - - - - - -
240
8.0 27,300 4.0 47 - - - 50 - - - - - - - - -
9 kW
5 lbs.
ECB40-9CB (12L91)
60A Circuit breaker
2 208 6.8 23,100 4.0 46 - - -
4
50 - - - - - - - - -
220 7.6 25,800 4.0 48 - - -
4
50 - - - - - - - - -
230 8.3 28,200 4.0 50 - - -
4
50 - - - - - - - - -
240 9.0 30,700 4.0 52 - - - 60 - - - - - - - - -
12.5 kW
10 lbs.
ECB40-12.5CB
(12L92)
(1) 30A and
(1) 45A Circuit breaker
2 208 9.4 32,000 4.0 24 38
4
25
4
40 62 70
220 10.5 35,800 4.0 25 40
4
25
4
40 65 70
230 11.5 39,200 4.0 26 42 30 45 68 70
240 12.5 42,600 4.0 27 44 30 45 71 80
15 kW
12 lbs.
ECB40-15CB (12L93)
(1) 35A and
(1) 60A Circuit breaker
2 208 11.3 38,400 4.0 28 45
4
30
4
45 73 80
220 12.6 43,000 4.0 29 48
4
30
4
50 77 80
230 13.8 47,000 4.0 30 50
4
30
4
50 80 80
240 15.0 51,200 4.0 31 52 35 60 83 90
20 kW
19 lbs.
ECB40-20CB (12L94)
(2) 60A Circuit breaker
2 208 15.0 51,200 4.0 46 50
4
50
4
50 95 100
220 16.8 57,300 4.0 48 53
4
50 60 101 110
230 18.4 62,700 4.0 50 55
4
50 60 105 110
240 20.0 68,200 4.0 52 57 60 60 109 110
THREE PHASE
8 kW
5 lbs.
ECB40-8 (12L96)
Terminal Block
1 208 6.0 20,500 4.0 26 - - - 30 - - - - - - - - -
220 6.7 22,900 4.0 27 - - - 30 - - - - - - - - -
230 7.3 25,100 4.0 28 - - - 30 - - - - - - - - -
240 8.0 27,300 4.0 28 - - - 30
- - - - - - - - -
10 kW
6 lbs.
ECB40-10 (12L97)
Terminal Block
1 208 7.5 25,600 4.0 31 - - - 35 - - - - - - - - -
220 8.4 28,700 4.0 33 - - - 35 - - - - - - - - -
230 9.2 31,400 4.0 34 - - - 35 - - - - - - - - -
240 10.0 34,100 4.0 35 - - - 40 - - - - - - - - -
15 kW
12 lbs.
ECB40-15CB (12L98)
50A Circuit breaker
1 208 11.3 38,400 4.0 44 - - -
4
45 - - - - - - - - -
220 12.6 43,000 4.0 46 - - - 50 - - - - - - - - -
230 13.5 47,000 4.0 48 - - - 50 - - - - - - - - -
240 15.0 51,200 4.0 50 - - - 50 - - - - - - - - -
20 kW
19 lbs.
ECB40-20CB (12L99)
(2) 35A Circuit breaker
2 208 15.0 51,200 4.0 31 26 35
4
30 57 60
220 16.8 57,300 4.0 33 28 35
4
30 61 70
230 18.4 62,700 4.0
34 29 35
4
30 63 70
240 20.0 68,200 4.0 35 30
4
40 35 65 70
NOTE - Circuit 1 Minimum Circuit Ampacity includes the Blower Motor Full Load Amps.
1
Electric heater capacity only - does not include additional blower motor heat capacity.
2
Amps shown are for blower motor only.
3
Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. Use wires suitable for at least 167°F.
4
Bold text indicates that the circuit breaker on “CB” circuit breaker models must be replaced with size noted. See Table on Page 6.
5
HACR type circuit breaker or fuse.
17 of 44 B17-0056
01/19/2017
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