Johnson Controls Digital Temperature Controller A421ABC-06C 120/240 VAC SPDT Nema 1 A421ABC-06C

The Johnson Controls Digital Temperature Controller A421ABC-06C is a versatile and reliable solution for controlling single-stage refrigeration or HVAC equipment. With a wide ambient temperature range of -40 to 212°F, this controller can be used in various applications, including commercial and industrial settings. Its single-pole double-throw (SPDT) output relay and adjustable temperature setback feature make it easy to program and control temperature settings. The controller also includes advanced features such as anti-short cycle delay and sensor failure mode, ensuring reliable operation and minimizing downtime. Suitable for surface or DIN rail mounting, this controller is a reliable choice for temperature control needs.

Top product features:

• Single-stage line-voltage electronic temperature controls with a single-pole double-throw (spdt) output relay.
• A basic and advanced programming menu is available on the control front panel, allowing for on/off temperature adjustment, switch-activated temperature setback, and adjustable anti-short cycle delay.
• A 99BB-600C PTC temperature sensor with a 2 in. standard probe and 19.7 ft. PVC cable is included for accurate temperature measurement.

Top product applications:

• Single-stage refrigeration systems
• HVAC equipment
• Ambient temperature control systems