Overview
The United Electric J6-142 pressure switch delivers simple, dependable on-off control for general industrial applications. With a 0–18 PSI adjustable setpoint range and single SPDT output, this switch is ideal for alarm, safety shutdown, and low/high pressure monitoring in process lines. The NEMA 4X die-cast aluminum enclosure and isolated brass bellows provide durability and leak-free operation across temperature extremes.
Key Features
- Single SPDT switch output for direct logic control
- Adjustable setpoint: 0–18 PSI with 4–7" WC deadband
- Brass bellows with nickel-plated brass 1/4" NPTF pressure connection
- NEMA 4X gasketed die-cast aluminum enclosure
- UL listed, cUL certified, CE compliant
- Internal adjustment without reference dial for simplicity
Technical Specifications
The J6-142 is engineered for cost-effective pressure switching in process control and safety applications. Its compact form factor suits retrofit installations where space is limited, while the NEMA 4X rating ensures environmental protection in washdown and corrosive areas.
Typical Applications
- Instrument air pressure monitoring and shutdown
- Hydraulic system low-pressure alarm
- Gas or steam line safety interlocks
- Vacuum pump discharge protection
- Process equipment threshold detection
- OEM machinery condition monitoring
Compatibility & Replacements
Compatible With
- Panel-mount installations with 1/2" FNPT electrical connection
- 24 VDC, 120 VAC, and 240 VAC control circuits via SPDT relay output
- Process control systems requiring setpoint alarm functions
- Pneumatic and hydraulic sensing lines up to 1/4" tubing
Replaces / Drop-In Replacement For
The J6-142 is part of the United Electric J6 series line. Verify specific replacement compatibility with your system integrator, as similar models exist within the J6 family with different setpoint ranges and switch configurations. Do not assume cross-compatibility without consulting technical documentation.
Works With
- Standalone panel-mount control logic
- PLC analog input modules via voltage feedback
- SCADA and industrial automation networks via hardwired contact closure
- Safety relay circuits and emergency shutdown systems
