Johnson Controls A19ABA-40C

Johnson Controls A19ABA-40C Line Voltage Mechanical Thermostat, -30 to 100 deg F, 3 - 12 deg F Differential


Manufacturer part number:



Johnson Controls


Johnson Controls A19 Mechanical Thermostat, Line Voltage, -30 to 100 deg F, 3 - 12 deg F Differential, Close On Rise, SPST Switch, 1 Switch, Bulb Sensor, 3/8 Inch Dia x 4 Inch L Sensing Bulb, 1 Stage, 120/277 VAC, 16 A, 1 Relay Inputs, 1 Relay Outputs, Flat Surface Mount, Galvanized Steel, Gray, 4-3/8 Inch L x 2-1/8 Inch W x 4-3/8 Inch H
  • Wide temperature ranges available
  • Constant differential throughout the entire range
  • Compact enclosure
  • Fixed or adjustable differential available
  • Variety of sensing element styles
  • Unaffected by cross ambient conditions
  • 6 ft capillary tube

Standard/Approvals: CSA Certified, UL Listed

Application: Air Conditioning, Heating, Refrigeration and Ventilating

Products specifications
Attribute nameAttribute value
Differential3 - 12 deg F
Dimensions4-3/8 Inch L x 2-1/8 Inch W x 4-3/8 Inch H
Enclosure TypeGalvanized Steel
Full Load Current16 A
ManufacturerJohnson Controls
Mounting TypeFlat Surface
Number of Relay Inputs1
Number of Relay Outputs1
Number of Stages1
Number of Switches1
Sensing Bulb Size3/8 Inch Dia x 4 Inch L
Sensor TypeBulb
Switch ActionClose On Rise
Switch TypeSPST
TypeLine Voltage
Voltage Rating120/277 VAC