Page 27
CBX40UHV
ELECTRIC HEAT DATA - CBX40UHV-024 AND CBX40UHV-030
SINGLE PHASE ELECTRIC HEAT CBX40UHV-024 CBX40UHV-030
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
3
Minimum
Circuit
Ampacity
5
Maximum
Overcurrent
Protection
Circuit Circuit
1 2 1 2
2.5 kW
4 lbs.
ECB40-2.5 (34W86)
Terminal Block
1
208 1.9 6,400 4.0 17 20 - - - - - - - - - - - -
220 2.1 7,200 4.0 17 20 - - - - - - - - - - - -
230 2.3 7,800 4.0 18 20 - - - - - - - - - - - -
240 2.5 8,500 4.0 18 20 - - - - - - - - - - - -
4 kW
4 lbs.
ECB40-4 (55W89)
Terminal Block
ECB40-4CB (55W90)
30A Circuit breaker
1
208 3.0 10,250 4.0 23
4
25 23 - - -
4
25 - - -
220 3.4 11,450 4.0 24
4
25 24 - - -
4
25 - - -
230 3.7 12,550 4.0 25
4
25 25 - - -
4
25 - - -
240 4.0 13,650 4.0 26 30 26 - - - 30 - - -
5 kW
4 lbs.
ECB40-5 (34W87)
Terminal Block
ECB40-5CB (34W90)
35A Circuit breaker
1
208 3.8 12,800 4.0 28
4
30 28 - - -
4
30 - - -
220 4.2 14,300 4.0 29
4
30 29 - - -
4
30 - - -
230 4.6 15,700 4.0 30
4
30 30 - - -
4
30 - - -
240 5.0 17,100 4.0 31 35 31 - - - 35 - - -
6 kW
4 lbs.
EB40-6 (34W88)
Terminal Block
ECB40-6CB (34W91)
40A Circuit breaker
1
208 4.5 15,400 4.0 32
4
35 32 - - -
4
35 - - -
220 5.0 17,100 4.0 33
4
35 33 - - -
4
35 - - -
230 5.5 18,800 4.0 35
4
35 35 - - -
4
35 - - -
240 6.0 20,500 4.0 37 40 37 - - - 40 - - -
8 kW
5 lbs.
ECB40-8 (34W89)
Terminal Block
ECB40-8CB (34W92)
50A Circuit breaker
1
208 6.0 20,500 4.0 41
4
45 41 - - -
4
45 - - -
220 6.7 22,900 4.0 43
4
45 43 - - -
4
45 - - -
230 7.3 25,100 4.0 45
4
45 45 - - -
4
45 - - -
240 8.0 27,300 4.0 47 50 47 - - - 50 - - -
9 kW
5 lbs.
ECB40-9CB (34W93)
60A Circuit breaker
2
208 6.8 23,100 4.0 46
4
50 46 - - -
4
50 - - -
220 7.6 25,800 4.0 48
4
50 48 - - -
4
50 - - -
230 8.3 28,200 4.0 50 60 50 - - - 60 - - -
240 9.0 30,700 4.0 52 60 52 - - - 60 - - -
12.5 kW
10 lbs.
ECB40-12.5CB (34W94)
(1) 30A & (1) 45A Circuit
breaker
2
208 9.4 32,000 4.0 - - - - - - 24 38
4
25
4
40
220 10.5 35,800 4.0 - - - - - - 25 40
4
25
4
40
230 11.5 39,200 4.0 - - - - - - 26 42 30 45
240 12.5 42,600 4.0 - - - - - - 27 44 30 45
15 kW
12 lbs.
ECB40-15CB (34W95)
(1) 35A & (1) 60A Circuit
breaker
2
208 11.3 38,400 4.0 - - - - - - 28 45
4
30
4
45
220 12.6 43,000 4.0 - - - - - - 29 48
4
30
4
50
230 13.8 47,000 4.0 - - - - - - 30 50
4
30
4
50
240 15.0 51,200 4.0 - - - - - - 31 52 35 60
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.