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Johnson Controls

Model # :WBB2232290

MPN #: A421ABC-04C

Johnson Controls Digital Temperature Controller A421ABC-04C, 120/240 VAC, SPDT, Nema 1

Product Description
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
PRICE
$139.95

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Weights & Dimensions

Width2-7/16 in
Depth2-1/2 in
Height5 in
Weight1 lbs
Lead Wire Length13-1/8 ft
Bulb Size2 in
Display Size1.5 x 5 in

Product Details

Temperature Control Range-40 to 212 °F
TypeHeat & Cool
StagesSingle
For Use WithTemperature Control
Switch ActionSPDT
Voltage240 / 120 V
IncludesA99 Temperature Sensor
Temperature Operating Range-40 to 150 °F
BrandJohnson Controls

Warranty

Warranty1 yr

Compliance & Certifications

NEMA Rating1
CertificationscULus