A421ABC-03C Johnson Controls Temperature Control
$126.00
The Johnson Controls A421ABC-03C is a line-voltage Type 1 electronic single-stage digital temperature control designed for heating or cooling applications. It features a bright backlit LCD screen and a three-button touchpad interface.
Overview
The Johnson Controls A421ABC-03C is a line-voltage Type 1 electronic single-stage digital temperature control designed for heating or cooling applications. It features a bright backlit LCD screen and a three-button touchpad interface.
Features
- Bright, adjustable backlit LCD screen displaying temperature and status
- Three-button touchpad interface for easy programming
- Single-pole, double-throw (SPDT) output relay
- Adjustable On and Off temperature setpoints, anti-short cycle delay, temperature setback, and sensor offset capability
- LED indicator for output relay status
Specifications
- Input Voltage: 120/240 VAC, 50/60 Hz
- Temperature Control Range: -40 degrees Fahrenheit to 212 degrees Fahrenheit (-40 degrees Celsius to 100 degrees Celsius)
- Enclosure: NEMA 1 / IP20 high-impact thermoplastic for DIN rail or surface mount
- Output: 1 SPDT relay
- Included Sensor: A99BB-300C PTC temperature sensor with 9.75-foot cable and 2-inch probe
Applications
- Temperature monitoring and alarming
- On/off control of boilers and chillers
- Heating and cooling control in HVAC and refrigeration systems
- Cooling tower fan control based on water temperature
- Actuator control for valves and dampers
| Weight | 5 lbs |
|---|---|
| Dimensions | 13 × 9 × 9 in |
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