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United Electric (UE) 117 Series Explosion-Proof Pressure Switch

Approved for Division 2 hazardous locations and corrosive atmospheres, United Electric's 117 Series can be used to measure vacuum, pressure, and differential pressure in a variety of applications.

Its compact, epoxy coated enclosure and hermetically sealed snap switch provide superior corrosion resistance within the harshest environments, isolating the contacts from moisture, humidity, and chemical atmospheres. Sensors are available in materials from all welded stainless steel to elastomer diaphragms.

Key Specifications

  • UL Listed Class I, Division 2, CSA Certified, CE, CENELEC, NACE Approved
  • SPDT or DPDT Hermetically Sealed Snap Switch Output
  • NEMA 4, 4X, 9G Epoxy Coated Diecast Aluminum Enclosure
  • Pressure Ranges from 30" HgVac to 3500 PSI
  • 1/4" or 1/2" NPTF Brass or Stainless Steel Process Connection
  • Terminal Block Wiring

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

H117: One 11 Amp SPDT output, Buna-N diaphragm, O-ring, 1/4" NPTF
303 SS process connection. Optional Viton diaphragm
3 to 20 PSI
3 to 100 PSI
15 to 500 PSI
1.0 to 4.0 PSI
2.0 to 12 PSI
15 to 30 PSI
1000 PSI
1000 PSI
2500 PSI
H117: One 11 Amp SPDT output, Phosphor bronze bellows, 1/4" NPTF
brass process connection
30" HgVac to 0 2.0 to 5.0" Hg 30 PSI H117-218
H117: 11 Amp SPDT switch, 316 SS diaphragm, 1/2" NPTF process
1 to 20
4 to 100
8 to 200
50 to 1000
250 to 3500
0.3 to 5.0 PSI
0.5 to 10 PSI
0.5 to 17 PSI
30 to 300 PSI
50 to 500 PSI
1000 PSI
1000 PSI
1000 PSI
7000 PSI
7000 PSI
H117: 1 SPDT output, welded 316LSS diaphragm, 1.5" quick disconnect 316LSS
pressure connection. Mates with Tri-Clamp® fitting system. Designed to meet
3-A Sanitary standard.
5 to 30 PSI
10 to 100 PSI
15 to 300 PSI
3.0 to 15 PSI
3.0 to 36 PSI
9.0 to 66 PSI
1500 PSI
1500 PSI
1500 PSI


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