United Electric Controls J120-9994-191 Type Pressure Switch 15A 480Vac

Description:

The United Electric Controls J120-9994-191 Pressure Switch is used in industrial process control systems to monitor pressure and provide automatic electrical switching when preset pressure levels are reached. Commonly installed in pumps, compressors, hydraulic systems, oil and gas facilities, chemical processing plants, and industrial automation equipment requiring reliable pressure monitoring and explosion-proof 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 J120-9994-191 Pressure Switch is commonly used in pump protection systems, compressor control circuits, hydraulic power units, process pressure monitoring, emergency shutdown systems, and industrial alarm applications. The switch utilizes a pressure-actuated sensing mechanism 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 in hazardous industrial environments.

Technical Specifications:

• Brand: United Electric Controls
• Part Number: J120-9994-191
• Product Type: Pressure Switch
• Series: 120 Series
• Switch Type: Explosion-Proof Pressure Switch
• Function: Pressure Monitoring and Control
• Sensing Element: Diaphragm-Actuated Pressure Element
• Output Contacts: SPDT Snap-Action Switch
• Contact Rating: 15A @ 480 VAC
• Voltage Rating: 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: 3/4 in. NPT Conduit Entry
• Process Connection: 1/2 in. NPT Pressure Port
• Environmental Rating: NEMA 4X / IP66
• Repeatability: ±1% of Adjustable Range
• Suitable for Air, Gas, Oil, Water, and Compatible Process Fluids
• Designed for Alarm and Shutdown Applications
• Hazardous Area Suitable
• Compatible with Pumps, Compressors, Hydraulic Systems, and Process Equipment
• Intended for OEM Equipment and Replacement Installations
• Engineered for Continuous-Duty Industrial Service

Common Replacements:

• United Electric Controls J120-191 Pressure Switch
• United Electric Controls J120-194 Pressure Switch
• United Electric Controls J120-358 Pressure Switch