Johnson controls digital temperature controller a421abc-04c, 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 212°f. Model a421abc-04c 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-400c ptc temperature sensor with a 2 in
- Standard probe and 13.1 ft
- Pvc cable
- Features:
- Control 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 sensor failure mode
- Depth 2-1/2 in
- Lead wire length 13-1/8 ft
- Width 2-7/16 in
- Bulb size 2 in
- Display size 1.5 x 5 in
- Height 5 in
- Weight 1 lbs
- Switch action Spdt
- Voltage 240 / 120 v
- Includes A99 temperature sensor
- Temperature control range -40 to 212 °f
- Type Heat & cool
- For use with Temperature control
- Brand Johnson controls
- Stages Single
- Temperature operating range -40 to 150 °f
- Warranty 1 yr
- Nema rating 1
- Certifications Culus
Weights & dimensions
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