United Electric Controls J21K-254 Pressure Switch

Description:

The United Electric Controls J21K-254 Pressure Switch is used in industrial pressure monitoring and control systems to detect pressure changes and provide automatic switching for equipment protection and process control. Commonly installed in hydraulic systems, pneumatic equipment, air compressors, pumps, lubrication systems, and OEM industrial machinery requiring an adjustable pressure range of 0–90 PSI. Maintenance technicians, process engineers, and system integrators use this pressure switch for preventive maintenance, pressure alarm functions, equipment shutdown, and replacement of OEM pressure control devices. The J21K Series features a compact electromechanical design for reliable operation in demanding industrial environments.

Applications:

The United Electric Controls J21K-254 Pressure Switch is commonly used in compressed air systems, hydraulic power units, industrial pumps, lubrication circuits, water treatment equipment, process skids, packaging machinery, and factory automation systems where dependable pressure monitoring and automatic switching are required. It is suitable for pressure regulation, safety interlocks, alarm activation, and process control.

Technical Specifications:

• Brand: United Electric Controls (UE)
• Model: J21K-254
• Product Type: Pressure Switch
• Series: J21K Series
• Adjustable Pressure Range: 0–90 PSI
• Contact Type: SPDT Snap-Action Switch
• Electrical Rating: 15 A at 125/250 VAC Resistive
• Setpoint Adjustment: Field Adjustable
• Pressure Connection: 1/4 in. NPT Female
• Enclosure: Heavy-Duty Industrial Housing
• Pressure Sensing Element: Diaphragm
• Mounting: Direct Process Mount
• Application: Industrial Pressure Monitoring and Process Control

Common Replacements:

• United Electric Controls J21 Series Pressure Switch
• United Electric Controls J11-252 Pressure Switch
• United Electric Controls H100 Series Pressure Switch