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JOHNSON CONTROLS Line Volt Mechanical Tstat: -30° to 100°F, Steel, Adj - Indoor Single-Stage Controls
JOHNSON CONTROLSIndoor Single-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: -30° to 100°F, Steel, Adj

The JOHNSON CONTROLS A19ABA-40C is an indoor single-stage line-voltage mechanical thermostat with a steel enclosure. It features an SPST switch that closes on rise, an adjustable differential of 3° to 12°F, and a…

SKU 3G-OTH-68204

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: -30° to 100°F, Steel, Adj
Category
Indoor Single-Stage Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A19ABA-40C
Type
Steel, Adj, 3° to 12°F
Voltage
120 to 277V AC
Differential Type
Adjustable
Enclosure Material
Steel
Switch Type/Action
SPST, Close on Rise
Temperature Differential
3° to 12°F
Temperature Control Range
-30° to 100°F
Capillary Length/Bulb Diameter
6 ft Capillary, 4 in x 3/8 in Bulb
View Full Spec Sheet

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS A19ABA-40C is an indoor single-stage line-voltage mechanical thermostat with a steel enclosure. It features an SPST switch that closes on rise, an adjustable differential of 3° to 12°F, and a temperature control range of -30° to 100°F. The unit operates on 120 to 277V AC and includes a 6 ft capillary with a 4 in x 3/8 in bulb.

Frequently Asked Questions

What is the JOHNSON CONTROLS A19ABA-40C used for?

The JOHNSON CONTROLS A19ABA-40C is an indoor single-stage line-voltage mechanical thermostat used for temperature control in HVAC and industrial process applications. It closes its SPST switch on temperature rise, making it suitable for activating fans, pumps, or alarms when ambient temperature exceeds a setpoint.

What are the specifications of the JOHNSON CONTROLS A19ABA-40C?

The JOHNSON CONTROLS A19ABA-40C has a temperature control range of -30° to 100°F, an adjustable differential of 3° to 12°F, and operates on 120 to 277V AC. It features a steel enclosure, a 6 ft capillary with a 4 in x 3/8 in bulb, and an SPST switch that closes on rise.

Where to buy the JOHNSON CONTROLS A19ABA-40C worldwide?

3G Electric supplies the JOHNSON CONTROLS A19ABA-40C to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this line-voltage mechanical thermostat to your facility. Contact us for a quote and delivery timeline.

How to install the JOHNSON CONTROLS A19ABA-40C?

Mount the JOHNSON CONTROLS A19ABA-40C in a dry indoor location, ensuring the capillary bulb is fully immersed in the sensed medium. Wire the SPST switch per the voltage rating (120 to 277V AC). Adjust the setpoint and differential using the external dials. Follow local electrical codes and the manufacturer's instructions.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS indoor single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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