The Johnson Control A421ABC-02 Tank Temperature Controller is designed for precision and reliability in temperature management. Featuring a NEMA 1 enclosure and operating at 110 V, this controller ensures optimal performance in various environments. Its user-friendly interface allows for easy adjustments, while its robust construction guarantees durability and longevity. Ideal for industrial applications, this temperature controller enhances efficiency and helps maintain consistent temperature levels, making it an essential tool for any operation requiring precise thermal regulation.
🌡️ Accurate Temperature Regulation – Digital control unit precisely maintains setpoint temperature for heating/cooling processes, ideal for industrial tanks or HVAC applications.
🔌 110 V Power Supply – Designed for standard North American single-phase 110 VAC systems; easy plug-and-play installation.
🔧 NEMA 1 Enclosure – Enclosed design suitable for general indoor industrial or commercial environments, offering protection against non-corrosive dust and light.
🧠 Dual-Stage Control – Features two control stages (e.g., heating and cooling outputs), enabling simultaneous management of multiple thermal elements (heating/cooling) within one control unit.
🔄 Universal 10 K Type II Sensor Input – Compatible with Johnson Controls or equivalent 10 K thermistor sensors, delivering reliable and stable temperature readings.
🗣️ Audible Alarm Notification – Built-in buzzer triggers on deviations, allowing instant user response to faults like high/low limits or system failures.
🧰 User-Friendly Interface – Backlit LCD display with easy keyboard menu navigation for setting temperature, hysteresis, differential, and alarm limits.
🚨 Safety Features – Includes protective functions such as fault reporting and output lockout during abnormal conditions to prevent system damage.
📇 Compact & Consumable – DIN-panel or wall mounting options with standard footprint, making replacement or retrofit straightforward within existing control setups.
🏭 Application-Ready – Ideal for monitoring and controlling temperature in tanks, process vessels, water baths, boilers, mixing systems, and more.
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