Johnson Controls Digital Temperature Controller A421ABC-03C, 120/240 VAC, SPDT, Nema 1

Johnson controls digital temperature controller a421abc-03c, 120/240 vac, spdt, nema 1 the a421 series controls are single stage, line-voltage electronic temperature controls with a single-pole, double-throw (spdt) output relay. these can be used to control a wide variety of single-stage refrigeration or hvac equipment with an ambient temperature range of -40 to 212f. model a421abc-03c features standard type 1 (nema) ip20 high-impact plastic enclosure suitable for surface or din rail mounting and rated for either 120 or 240 vac. includes a99bb-300c ptc temperature sensor with a 2 in. standard probe and 9.75 ft. pvc cable.features: control front panel lcdbasic and advanced programming menuon/off temperature adjustmentswitch-activated temperature setbackadjustable anti-short cycle delay adjustable sensor offset optional restricted adjustment mode sensor failure mode