Johnson Controls A28AA-28 Temperature Control 2 Stage SPDT Switch 120-277 VAC

Product Description

The A28AA-28 from Johnson Controls is a robust temperature control device, engineered to manage environmental temperatures in industrial settings. This dual-stage temperature controller utilizes SPDT switch actions and features a voltage range of 120 to 277 VAC. It is designed for precise control, with a setpoint range from 30 to 110 degrees Fahrenheit.

• Dual-stage operation for enhanced temperature management.
• Adjustable differential settings for tailored operation.
• Extended capillary and averaging bulb lengths for flexible installation.

Product Highlights

Equipped with a screwdriver range adjuster, this temperature controller facilitates easy calibration and adjustments. Its design includes a 12 feet averaging bulb and a 6 feet capillary, which makes it ideal for applications requiring remote sensing.

Product Information

Standard Information

• Brand: Johnson Controls
• MPN: A28AA-28

Technical Specifications

• Voltage: 120/208/240/277 VAC
• Setpoint Range: 30-110 degrees Fahrenheit
• Differential Each Stage: 3.5 degrees
• Adjustable Differential Between Stages: 2-7 degrees
• Capillary Length: 6 feet
• Averaging Bulb Length: 12 feet