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

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

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

Model #: T9FB2232290

MPN #: A421ABC-04C

Weights & Dimensions

Width 2-7/16 in
Depth 2-1/2 in
Height 5 in
Weight 1 lbs
Lead Wire Length 13-1/8 ft
Bulb Size 2 in
Display Size 1.5 x 5 in

Product Details

Temperature Control Range -40 to 212 °F
Type Heat & Cool
Stages Single
For Use With Temperature Control
Switch Action SPDT
Voltage 240 / 120 V
Includes A99 Temperature Sensor
Temperature Operating Range -40 to 150 °F
Brand 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

Model #: T9FB2232290

MPN #: A421ABC-04C

Weights & Dimensions

Width 2-7/16 in
Depth 2-1/2 in
Height 5 in
Weight 1 lbs
Lead Wire Length 13-1/8 ft
Bulb Size 2 in
Display Size 1.5 x 5 in

Product Details

Temperature Control Range -40 to 212 °F
Type Heat & Cool
Stages Single
For Use With Temperature Control
Switch Action SPDT
Voltage 240 / 120 V
Includes A99 Temperature Sensor
Temperature Operating Range -40 to 150 °F
Brand Johnson Controls
$77.40

Original: $258.00

-70%
Digital Temperature Controller A421ABC-04C, 120/240 VAC, SPDT, Nema 1

$258.00

$77.40

Description

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

Model #: T9FB2232290

MPN #: A421ABC-04C

Weights & Dimensions

Width 2-7/16 in
Depth 2-1/2 in
Height 5 in
Weight 1 lbs
Lead Wire Length 13-1/8 ft
Bulb Size 2 in
Display Size 1.5 x 5 in

Product Details

Temperature Control Range -40 to 212 °F
Type Heat & Cool
Stages Single
For Use With Temperature Control
Switch Action SPDT
Voltage 240 / 120 V
Includes A99 Temperature Sensor
Temperature Operating Range -40 to 150 °F
Brand Johnson Controls

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