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Product Specifications:
| Item | Control |
| Application | Heat And Cool |
| Bulb Dia. | 3/8" |
| Bulb Length | 4" |
| Capillary Length | 72" |
| Changeover Type | Manual |
| Compatible System Type | Condenser Fan Control, Tower Fan Control |
| Control Type | Screwdriver |
| Depth | 3 1/4" |
| Differential Type | Fixed |
| Enclosure Material | Steel |
| Enclosure Nema Rating | NEMA 3R |
| Height | 4 5/8" |
| Max. Control Temp. | 120°F |
| Max. Operating Temp. | 210°F |
| Min. Control Temp. | 40°F |
| Min. Operating Temp. | -35°F |
| Number Of Cooling Stages | 2 |
| Number Of Heating Stages | 2 |
| Overall Depth | 3 1/4" |
| Overall Height | 4 5/8" |
| Overall Width | 4 5/8" |
| Switch Action | Open, Close On Rise |
| Switch Type | SPDT |
| Temp. Differential | 8°F, 5°F |
| Temperature Scale | Fahrenheit |
| Thermostat Type | Weatherproof Two Stage Controls |
| Voltage | 24-277V AC |
| Width | 4 5/8" |
Shipping Info:
| Ship weight (kg) | 1.22 |
| Ship height (cm) | 11.75 |
| Ship length (cm) | 8.26 |
| Ship width (cm) | 11.75 |
| Country of Origin | MX |
Product Variants
| Product | Model | Height | Voltage | Switch Action | Full Load Amps @ 240v Ac | Full Load Amps @ 120v Ac | Number Of Relay Control Output | Number Of Relay Inputs | Mounting Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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A28AA-29C | 4 3/8" | 24-277V AC | Open/Close On Rise | 8A | - | 2 | 2 | Surface Mount | €511.50 | |
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A28GA-23C | 3 53/64" | 24-277V AC | Open, Close On Rise | 3A | - | - | - | - | €378.29 | |
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A28AK-2C | 2 1/2" | 24-277V AC | Open On Rise/Close On Rise | 3A | 6A | - | - | - | €348.24 | |
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A28AA-37C | 4 3/8" | 120-277V AC | Open On Rise/Close On Rise | 8A | 16A | - | - | - | €301.71 | |
![]() |
A28AK-1C | 4 3/8" | 24-277V AC | Open On Rise/Close On Rise | 3A | 6A | - | - | - | €453.28 | |
![]() |
A28AA-28C | 4 3/8" | 24-277V AC | Open, Close On Rise | 8A | 16A | 2 | 2 | Surface Mount | €518.62 | |
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A28AA-4C | 4 3/8" | 24-277V AC | Open, Close On Rise | 8A | - | 2 | 2 | Flat Surface | €464.07 |
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Contact us
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JOHNSON CONTROLS A28MA-1C Two Stage Temp Control, 40/120F, 6In Cap, Heat and Cool
€612.67 /unit







