Description
Johnson Controls A421ABC-04 Electronic Temperature Control Overview
The Johnson Controls A421ABC-04 is a versatile, electronic temperature control designed for reliable performance across a wide range of HVAC and refrigeration applications. With dual-voltage compatibility and an expansive temperature control range, this unit delivers precise, dependable temperature management in commercial and industrial environments.
Key Features
- Electronic temperature control with front panel LCD display for easy monitoring and programming
- Wide operating voltage: 120/240 VAC — compatible with a broad range of electrical systems
- Expansive temperature control range: -40°F to 212°F (-40°C to 100°C) for heating and cooling applications
- NEMA 1 enclosure for indoor installation protection against dust and debris
- Flexible mounting options: DIN rail or surface mount for convenient installation in panels or on walls
- Includes temperature sensor with 13.1-foot (4 m) cable and 2-inch immersion probe for remote sensing
Technical Specifications
- SKU: A421ABC-04
- Brand: Johnson Controls
- Voltage: 120/240 VAC
- Temperature Control Range: -40°F to 212°F (-40°C to 100°C)
- Display: Front Panel LCD
- Enclosure Rating: NEMA 1
- Mounting: DIN Rail or Surface Mount
- Sensor Cable Length: 13.1 feet (4 m)
- Probe Length: 2 inches
Applications
- Commercial refrigeration control
- HVAC heating and cooling system management
- Industrial process temperature control
- Freezer and cooler temperature regulation
- Fan, compressor, and valve staging based on temperature setpoints
Why Choose the Johnson Controls A421ABC-04?
The A421ABC-04 combines wide-range temperature sensing, dual-voltage flexibility, and a user-friendly LCD interface in a compact, panel-ready enclosure. The included 13.1-foot sensor cable and 2-inch probe allow for remote temperature sensing without additional accessories, making this an out-of-the-box solution for demanding temperature control needs.
Reviews
There are no reviews yet.