Johnson Controls Digital Temperature Controller A421ABC-03C 120/240 VAC SPDT Nema 1 A421ABC-03C
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In Stock
SKU
281-32291B22
Johnson Controls Digital Temperature Controller A421ABC-03C 120/240 VAC SPDT Nema 1
The Johnson Controls Digital Temperature Controller A421ABC-03C is a versatile and reliable solution for controlling single-stage refrigeration or HVAC equipment. This electronic temperature control features a single-pole double-throw (SPDT) output relay and a high-impact plastic enclosure suitable for surface or DIN rail mounting. With a wide ambient temperature range of -40 to 212°F, this controller can be used in a variety of applications, including commercial and industrial settings. Its advanced programming menu and adjustable features make it easy to customize and optimize performance, ensuring efficient and reliable temperature control.
Top product features:
- Single-stage line-voltage electronic temperature controls for refrigeration or HVAC equipment.
- Single-pole double-throw (SPDT) output relay for controlling a wide variety of equipment.
- LCD basic and advanced programming menu on the control front panel for adjusting temperature settings.
Top product applications:
- Refrigeration equipment control
- HVAC equipment control
- Temperature control for industrial applications
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-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 ul stylemargin-top0px; padding-top 5px; padding-bottom 5px; 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
Additional Information
- UPC: 066201153658
- UNSPSC: 41112205
- Brand: Johnson Controls Inc
- Package Quantity: 1
- Country of Origin: MX
- FOB Origin: NY
- Ships by: PARCEL
- Comes in a kit: No
- Newly added to catalog: No
- Item is on Clearance: No
- Contains Hazardous Materials: No
- CA Proposition 65 Applies: No
- Package Length: 2.50
- Package Width: 2.44
- Package Height: 5.00
- Package Weight: 2.00
Product info last updated on February 7, 2026 6:28pm UTC
Category: Thermostats and Temperature Controls