Johnson Controls A421AET-01C Electronic Temperature Control 120/240 Vac Type 4X

Product Description

The Johnson Controls A421AET-01C is an electronic temperature control designed for use in HVAC systems. This unit operates on 120 to 240 volts AC and features an SPDT switch with an open/close action on rise. It is suitable for temperature control in heating and cooling applications. The control range extends from negative forty degrees Fahrenheit to two hundred twelve degrees Fahrenheit, making it versatile for various environments.

• Removable sensor with screw terminals.
• Includes A99 temperature sensor with nine and seven-eighths inches cable.
• Weatherproof NEMA 4X enclosure.

Product Highlights

The product features a keypad lockout and adjustable anti-short cycle delay for enhanced safety and functionality.

Product Information

Standard Information

• Brand: Johnson Controls
• MPN: A421AET-01C

Technical Specifications

• Control Range: -40°F to 212°F
• Voltage Range: 120/240 VAC
• Switch Type: SPDT
• Differential: 1°F to 30°F
• Enclosure Type: NEMA 4X
• Full Load Amps @ 120 VAC: 16 A
• Full Load Amps @ 240 VAC: 8 A
• Sensing Bulb Diameter: 1/4 in
• Sensing Bulb Length: 2 in