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.
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