Switches > Pressure/Vacuum Switches > UE J40 Series


United Electric (UE) J40 Series General Service Pressure Switches

The UE J40 is perfect for low cost general service and OEM applications. Available with either 1/4" NPTF or 1/8" NPTM brass pressure connections. The J40 can be used in any general service pressure application where compact size and performance are required. The sealed bellows sensor provides a "leak-free" sensor for applications where elastomers are unacceptable.

Key Specifications

  • Low Cost, Small Size, and Light Weight
  • Wide Selection of Adjustable Ranges: 30" HgVac to 300 PSI
  • Bellows Sensors for ±1% Repeatability
  • Single 15 Amp SPDT Switch Output
  • UL and CSA Approved
  • Models Available from Stock

Specifications, Manuals, and Supporting Literature

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Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Deadband Proof
J40: Phosphor bronze bellows, 1/4" NPTF brass pressure connection.
30" to 0 HgVac
0 to 20 PSI
0 to 30 PSI
0 to 50 PSI
0 to 100 PSI
1.0 to 2.5" Hg
0.2 to 1.3 PSI
0.2 to 1.3 PSI
0.2 to 1.3 PSI
1.0 to 2.3 PSI
30 PSI
45 PSI
75 PSI
110 PSI
J40: Brass bellows and 1/8" NPTM brass pressure connection
0 to 30 PSI
0 to 60 PSI
0 to 90 PSI
0 to 100 PSI
0 to 240 PSI
0 to 300 PSI
1.5 to 2.5 PSI
1.5 to 4.0 PSI
1.5 to 4.0 PSI
2.0 to 4.0 PSI
2.0 to 6.0 PSI
4.0 to 6.0 PSI
45 PSI
90 PSI
135 PSI
150 PSI
330 PSI
350 PSI


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