Product Details
The A421 series controls are single stage, line-voltage electronic temperature controls designed for a variety of single-stage refrigeration or HVAC applications, featuring a single-pole, double-throw (SPDT) output relay. With an ambient temperature operating range of -40 to 212°F, the Model A421ABC-06C is equipped with a standard type 1 (NEMA) IP20 high-impact plastic enclosure that is suitable for surface or DIN rail mounting and operates at either 120 or 240 VAC. The kit includes an A99BB-600C PTC temperature sensor with a 2 in. standard probe and a 19.7 ft. PVC cable. Key features of the control include a front panel LCD, basic and advanced programming menu, On/Off temperature adjustment, switch-activated temperature setback, adjustable anti-short cycle delay, adjustable sensor offset, optional restricted adjustment mode, and a sensor failure mode.








