UNITED ELECTRIC J110A-S144B PRESSURE SWITCH 0.5-20PSI SS 1/2 NPTF 3/4

Description:

The United Electric Controls J110A-S144B Pressure Switch is used in industrial process control systems to monitor low-pressure conditions and provide automatic electrical switching when preset pressure thresholds are reached. Commonly installed in compressors, pumps, pneumatic systems, water treatment equipment, process skids, and industrial automation applications requiring reliable low-pressure monitoring and equipment protection. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of existing pressure sensing and control systems.

Applications:

The United Electric Controls J110A-S144B Pressure Switch is commonly used in pump protection systems, compressor control circuits, pneumatic process equipment, safety shutdown systems, and industrial alarm applications. The switch utilizes a stainless steel pressure sensing assembly with dual switching capability to detect pressure changes and actuate electrical contacts for alarms, interlocks, shutdown functions, and automatic process control, helping maintain safe and efficient operation of critical industrial equipment operating in low-pressure environments.

Technical Specifications:

• Brand: United Electric Controls
• Part Number: J110A-S144B
• Product Type: Pressure Switch
• Series: 110 Series
• Switch Type: Explosion-Proof Pressure Switch
• Pressure Range: 0.5 to 20 PSI
• Pressure Range Metric: 0.03 to 1.38 Bar
• Function: Pressure Monitoring and Control
• Sensing Element: Stainless Steel Diaphragm Assembly
• Wetted Material: Stainless Steel
• Process Connection: 1/2 in. NPTF
• Connection Material: 3/4 in. Stainless Steel Process Connection
• Output Contacts: Dual SPDT Snap-Action Switches
• Contact Rating: 15A @ 125/250/480 VAC
• Setpoint Adjustment: External Adjustable Setpoint
• Deadband: Adjustable Differential
• Enclosure Type: Explosion-Proof Housing
• Housing Material: Epoxy-Coated Die-Cast Aluminum
• Electrical Connection: Conduit Entry
• Suitable for Air, Gas, Oil, Water, and Compatible Process Fluids
• Designed for Alarm and Shutdown Applications
• Compatible with Pumps, Compressors, Pneumatic Systems, and Process Equipment
• Intended for OEM Equipment and Replacement Installations
• Engineered for Continuous-Duty Industrial Service

Common Replacements:

• United Electric Controls J120-194 Pressure Switch
• United Electric Controls J120-616 Pressure Switch
• United Electric Controls H105-146 Pressure Switch