UE 117 Series Hazardous Environment Switches

Prices starting at:
$315.00
In stock
SKU
117

Rugged pressure and temperature switches for Class I/II, Div 2 hazardous areas or corrosive atmospheres. Single SPDT switch output (DPDT optional), internal adjustment, reference scale, NEMA 4X enclosure, sensor materials to meet media and environmental requirements, UL, NACE approved, CE compliant.

Approved for Division 2 hazardous locations and corrosive atmospheres, United Electric's 117 series switches can be used to measure vacuum, pressure, differential pressure, and temperature in demanding applications in steel and aluminum mills, chemical and petrochemical plants, pulp and paper mills, wastewater treatment, midstream and downstream oil and gas, and pharmaceutical manufacturing plants.
The UE 117's 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 (NACE-compliant) stainless steel to elastomer diaphragms.

  • Single SPDT hermetically sealed snap action switch standard, DPDT optional
  • Pressure ranges from 30" HgVac to 3500 PSI with internal setpoint lock and high/low reference scale
  • Temperature ranges from -120° to 640° F with reference dial
  • NEMA 4X epoxy-coated diecast aluminum enclosure
  • Polished stainless steel flush-mount sensors
  • 1/4" or 1/2" NPTF brass or stainless steel process connections
  • Enclosed terminal block wiring
  • UL Listed Class I, Division 2, Class II, Division 2, Class III Certified, CE Compliant, NACE Approved (welded diaphragm models), ATEX Approved

Model Selection Guide

Use this table to find the right model for your application. Looking for other ranges, wetted materials or connection sizes? Don't see the option you need? Call a Lesman sales specialist at 800-953-7626.

Sensor Pressure Connection
Adjustable
Setpoint Range
Deadband (Max at
Top 25% Span)
Proof
Pressure
Catalog
Number
Material Size
H117: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure, Internal Adjustment with High/Low Reference Scale, 303 Stainless Steel Spring Exposed to Media
Phosphor Bronze Bellows Nickel-Plated Brass 1/4" NPTF 30" HgVac to 0 PSI 2" to 5" Hg 30 PSI H117-218
H117: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure, Internal Adjustment with High/Low Reference Scale, 0.72" Orifice for Clean-Out Purposes
Buna-N Diaphragm
and O-Ring
Epoxy-Coated
Aluminum
1/2" NPTF 300" Vac to 0" WC
10" Vac to 10" WC
50" Vac to 50" WC
0.5" to 5" WC
2.5" to 50" WC
10" to 250" WC
0.8" to 32" WC
0.4" to 2.4" WC
0.4" to 12" WC
0.4" to 1.2" WC
0.4" to 3.2" WC
0.4" to 24" WC
400 PSI H117-520
H117-521
H117-522
H117-523
H117-524
H117-525
H117: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure, Internal Adjustment with High/Low Reference Scale, 0.72" Orifice for Clean-Out Purposes; NACE MR-0175 Compliant (* H117-194 is not NACE-Compliant)
Welded 316L
Stainless Steel Diaphragm
Welded 316L
Stainless Steel
1/2" NPTF 1 to 20 PSI
2 to 50 PSI
4 to 100 PSI
8 to 200 PSI
0.1 to 3 PSI
0.1 to 5 PSI
0.1 to 10 PSI
0.1 to 15 PSI
1000 PSI H117-171
H117-172
H117-173
H117-174
Welded 316L
Stainless Steel Diaphragm
Welded 316L
Stainless Steel
1/2" NPTF 5 to 30 PSI
10 to 100 PSI
15 to 300 PSI
20 to 500 PSI
80 to 1700 PSI
3 to 8 PSI  (10 PSI)
3 to 30 PSI  (45 PSI)
10 to 40 PSI  (60 PSI)
15 to 45 PSI  (75 PSI)
5 to 120 PSI  (200 PSI)
2500 PSI H117-190
H117-191
H117-192
H117-193
H117-194 *
H117: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure, Internal Adjustment with High/Low Reference Scale, Mates with Customer-Supplied Tri-Clamp® Fitting
Welded 316L
Stainless Steel Diaphragm
Welded 316L
Stainless Steel
1.5" Flush
Mount
5 to 30 PSI
10 to 100 PSI
15 to 300 PSI
3 to 15 PSI
3 to 36 PSI
9 to 66 PSI
1500 PSI H117-565
H117-566
H117-567
Adjustable Setpoint Range Maximum Temperature Scale Division Bulb OD
x Stem Length
Catalog
Number
°F °C °F °C °F °C
E117: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure Internal Adjustment with Reference Scale, 304 Stainless Steel Bulb and 6-Foot Capillary
-120° to 100°
-20° to 80°
25° to 100°
30° to 250°
100° to 400°
350° to 640°
-84.4° to 37.8°
-28.9° to 26.7°
-3.9° to 37.8°
-1.1° to 121.1°
37.8° to 204.4°
176.7° to 337.8°
150°
130°
150°
300°
450°
690°
65.6°
54.4°
65.6°
148.9°
232.2°
365.6°
10°


10°
10°
10°





3/8" OD x 2-5/8"
3/8" OD x 5"
3/8" OD x 6-3/4"
3/8" OD x 2-5/8"
3/8" OD x 2-1/8"
3/8" OD x 3-1/4"
E117-2BSA
E117-5BS
E117-4BS
E117-2BSB
E117-3BS
E117-8BS
Adjustable Setpoint Range Maximum Temperature Scale Division Stem NPT x Length
Below 1/2" Thread
Catalog
Number
°F °C °F °C °F °C
B117: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure Internal Adjustment with Reference Scale, Nickel-Plated Brass Stem
0 to 225
200 to 425
-17.8 to 107.2
93.3 to 218.3
275
475
135
246.1
10
10
5
5
9/16" OD x 1-7/8" BT
9/16" OD x 1-7/8" BT
B117-120
B117-121
More Information
Measured Variable Gauge Pressure, Vacuum/Compound Pressure, Temperature
Enclosure/Construction NEMA 4X, Div 2 Hazardous
Switch Output SPDT, DPDT
Sensor Type Bellows, Diaphragm, Immersion Stem, Bulb and Capillary
Adjustment Internal Adjustment, Reference Scale/Dial
Measuring Range 30" HgVac to 3500 PSI, -120° to 640° F
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