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JOHNSON CONTROLS P74BA-1C Differential Pressure Control - Differential Controls
JOHNSON CONTROLSDifferential Controls

JOHNSON CONTROLS P74BA-1C Differential Pressure Control

The JOHNSON CONTROLS P74BA-1C is a SPST differential pressure control with automatic reset and a switch action of Open on Fall. It is rated for 240V and supports a maximum differential pressure of 30 psi on the low…

SKU 3G-OTH-66824

Also listed as: P74BA1C · P74BA 1C

Brand
JOHNSON CONTROLS
Item
P74BA-1C Differential Pressure Control
Part Number
P74BA-1C
Category
Differential Controls
Available to Order
Also known as:P74BA-1CJOHNSON CONTROLS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
P74BA-1C
Type
Open on Fall, 208V/240V, 30 psi Max Diff - Low Side, Auto Reset
Reset Type
Automatic
Rated Voltage
240V
Switch Action
Open on Fall

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

Product Description

The JOHNSON CONTROLS P74BA-1C is a SPST differential pressure control with automatic reset and a switch action of Open on Fall. It is rated for 240V and supports a maximum differential pressure of 30 psi on the low side. This device is designed for monitoring and controlling pressure differentials in industrial systems.

Frequently Asked Questions

What is the Johnson Controls P74BA-1C differential pressure control used for?

The Johnson Controls P74BA-1C is used to monitor and control pressure differentials in industrial HVAC, refrigeration, and process systems. It opens its SPST circuit on a pressure fall, protecting equipment like compressors and pumps from low-pressure conditions. 3G Electric supplies this control across 14 industrial departments.

What are the specifications of the Johnson Controls P74BA-1C?

The Johnson Controls P74BA-1C is a SPST differential pressure control rated for 240V with automatic reset. Its switch action is Open on Fall, and it supports a maximum differential pressure of 30 psi on the low side. The manufacturer part number is P74BA-1C.

Where to buy the Johnson Controls P74BA-1C worldwide?

3G Electric sources and delivers the Johnson Controls P74BA-1C differential pressure control worldwide. We handle full logistics and customs clearance as a global industrial supplier. Contact us for availability and lead time on this and other Johnson Controls products.

How to install the Johnson Controls P74BA-1C differential pressure control?

Install the Johnson Controls P74BA-1C by connecting the high- and low-pressure ports to the system, ensuring the switch action (Open on Fall) matches your application. Wire the SPST contacts for 240V and verify automatic reset operation. Always follow the manufacturer's installation manual for safe setup.

Used in

Common applications for JOHNSON CONTROLS
Building automation systems — Johnson Controls TE-6361M-1 duct temperature sensor for monitoring duct temperatures in HVAC systems.
Refrigeration systems — Johnson Controls SEC99AA-24C armored capillary tubing for connecting pressure controls.
HVAC differential pressure control — Johnson Controls P74EA-8C for controlling equipment based on pressure changes.
Liquid flow detection — Johnson Controls F261MAH-V01C paddle flow switch for piping systems.
Hydronic heating and cooling — Johnson Controls VG2431YN globe valve for flow control in water systems.
Refrigeration condensing units — Johnson Controls P66AAB-1C fan speed control for maintaining pressure.
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JOHNSON CONTROLS Products

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

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This differential pressure control features SPDT switch action that opens and closes on both rise and fall of differential pressure. It is rated for 208V/240V with automatic reset and a setpoint of 3.5 psi. Commonly used in HVAC, refrigeration, and industrial fluid systems to monitor and switch electrical circuits based on pressure differential changes
JOHNSON CONTROLS
This differential pressure control features SPDT switch action that opens and closes on both rise and fall of differential pressure. It is rated for 208V/240V with automatic reset and a setpoint of 3.5 psi. Commonly used in HVAC, refrigeration, and industrial fluid systems to monitor and switch electrical circuits based on pressure differential changes

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