Page 11
CBX32MV
ELECTRIC HEAT DATA - CBX32MV-036 (Continued)
THREE PHASE ELECTRIC HEAT
CBX32MV-036
Model Number
No. of
Stages
Volts
Input
kW In
put
1
Btuh In
put
2
Blower Mo
tor Full Load
Amps
3
Minimum Circuit
Ampacity
5
Maximum
Overcurrent
Protection
Circuit Circuit
1 2 1 2
20 kW
19 lbs.
ECB40−20CB (35W01)
(2) 35A Circuit breaker
2
208 15.0 51,200 4.0 31 26 35 30
220 16.8 57,300 4.0 33 28 35 30
230 18.4 62,700 4.0 34 29 35 30
240 20.0 68,200 4.0 35 30 35 35
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
167F.
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.
ELECTRIC HEAT DATA - CBX32MV-048, CBX32MV-060, AND CBX32MV-068
SINGLE PHASE ELECTRIC HEAT
CBX32MV-048, CBX32MV-060, AND CBX32MV-068
Model Number
No. of
Stage
s
Volts
Input
kW
Input
1
Btuh
Input
2
Blower
Motor Full
Load
Amps
3
Minimum Circuit Ampacity
5
Maximum Overcurrent
Protection
Circuit
1
Circuit
2
Circuit
3
Circuit
1
Circuit
2
Circuit
3
4 kW
4 lbs.
ECB40-4 (55W89)
Terminal Block
ECB40-4CB (55W90)
35A Circuit breaker
1
208 3.0 10,250 7.4 27 - - - - - - 30 - - - - - -
220 3.4 11,450 7.4 28 - - - - - - 30 - - - - - -
230 3.7 12,550 7.4 29 - - - - - - 30 - - - - - -
240 4.0 13,650 7.4 30 - - - - - - 30 - - - - - -
5 kW
4 lbs.
ECB40-5 (34W87)
Terminal Block
ECB40-5CB (34W90)
35A Circuit breaker
1
208 3.8 12,800 7.4 32 - - - - - - 35 - - - - - -
220 4.2 14,300 7.4 33 - - - - - - 35 - - - - - -
230 4.6 15,700 7.4 34 - - - - - - 35 - - - - - -
240 5.0 17,100 7.4 35 - - - - - - 35 - - - - - -
6 kW
4 lbs.
ECB40-6 (34W88)
Terminal Block
ECB40-6CB (34W91)
40A Circuit breaker
1
208 4.5 15,400 7.4 36 - - - - - - 40 - - - - - -
220 5.0 17,100 7.4 38 - - - - - - 40 - - - - - -
230 5.5 18,800 7.4 39 - - - - - - 40 - - - - - -
240 6.0 20,500 7.4 41 - - - - - - 45 - - - - - -
8 kW
5 lbs.
ECB40-8 (34W89)
Terminal Block
ECB40-8CB (34W92)
50A Circuit breaker
1
208 6.0 20,500 7.4 45 - - - - - - 45 - - - - - -
220 6.7 22,900 7.4 47 - - - - - - 50 - - - - - -
230 7.3 25,100 7.4 49 - - - - - - 50 - - - - - -
240 8.0 27,300 7.4 51 - - - - - - 60 - - - - - -
9 kW
5 lbs.
ECB40-9CB (34W93)
60A Circuit breaker
2
208 6.8 23,100 7.4 50 - - - - - - 50 - - - - - -
220 7.6 25,800 7.4 52 - - - - - - 60 - - - - - -
230 8.3 28,200 7.4 54 - - - - - - 60 - - - - - -
240 9.0 30,700 7.4 56 - - - - - - 60 - - - - - -
12.5 kW
10 lbs.
ECB40-12.5CB (34W94)
(1) 30A & (1) 45A Circuit
breaker
2
208 9.4 32,000 7.4 28 38 - - - 30 40 - - -
220 10.5 35,800 7.4 29 40 - - - 30 40 - - -
230 11.5 39,200 7.4 30 42 - - - 30 45 - - -
240 12.5 42,600 7.4 31 44 - - - 35 45 - - -
15 kW
12 lbs.
ECB40-15CB (34W95)
(1) 35A & (1) 60A Circuit
breaker
2
208 11.3 38,400 7.4 32 45 - - - 35 45 - - -
220 12.6 43,000 7.4 33 48 - - - 35 50 - - -
230 13.5 47,000 7.4 34 50 - - - 35 50 - - -
240 15.0 51,200 7.4 35 52 - - - 35 60 - - -
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