UE 100 Series SIL-Certified Switches for General Service Use

Prices starting at:
$147.00
Call for Availability
SKU
100

Rugged pressure, differential pressure and temperature switches for general service environments. Single SPDT switch output (DPDT optional), internal adjustment, reference scale or dial, NEMA 4X enclosure, sensor materials to meet media and environmental requirements, UL, NACE approved, CE compliant, SIL 2 Certified, SIL 3 capable

UE's 100 Series is a cost-effective pressure and temperature switch for use in process plants. UE 100 models are used in heat tracing, freeze protection, pumps, compressors, fire suppression systems, and as inputs for annunciator panels.

The rugged NEMA 4X one-piece enclosure features a clamshell design slanted cover for easy access to the wiring terminal block. The wide variety of materials, microswitch, and process connection options make this SIL-certified switch a great fit for applications that require a weatherproof device.

  • NEMA 4X epoxy-coated diecast aluminum enclosure
  • Single SPDT snap-action switch output standard (DPDT optional)
  • 1/8", 1/4", or 1/2" NPTF process connections
  • Adjustable setpoint ranges: 0.2" WC to 500 PSID differential pressure, 300" WC Vac to 5000 PSI pressure, and -180° to 650° F (-117.8° to 343.3° C) temperature
  • Tamper-resistant setpoint lock standard
  • Internal adjustment standard, some models include reference scale or dial (See Model Selection Guide)
  • Setpoint repeatability of ±1% to ±1.5% adjustable range, depending on model
  • UL Listed, cUL certified, ATEX approved, CE compliant, some models NACE MR0175 compliant
  • EXIDA Certified for use in SIL 2 functional safety systems, SIL3 capable
  • Popular models and ranges normally available from Lesman stock, ready to ship within a business day

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 Proof
Pressure
Click for Price
and Availability
Material Size
UE H100 differential pressure switch, one SPDT output, internal adjustment with High/Low reference scale
Buna-N Diaphragm and
Sealing Diaphragms
Aluminum 1/8" NPTF 0.2" to 7" WCD
1" to 20" WCD
5" to 50" WCD
10" to 200" WCD
0.05" to 0.6" WC
0.1" to 1.0" WC
0.2" to 2.5" WC
0.5" to 8" WC
400 PSI H100K-540
H100K-541
H100K-542
H100K-543
Buna-N Diaphragm and
Sealing Diaphragms
Aluminum 1/8" NPTF 2 to 20 PSID
5 to 50 PSID
10 to 125 PSID
50 to 250 PSID
100 to 500 PSID
0.1 to 1.3 PSI
0.2 to 2.2 PSI
0.4 to 5.0 PSI
0.8 to 10 PSI
2.0 to 15 PSI
2500 PSI H100K-544
H100K-545
H100K-546
H100K-547
H100K-548
Sensor Pressure Connection Adjustable Setpoint Range Deadband (Max at
Top 25% Span)
Proof Pressure
(PSI)
Click for Price
and Availability
Material Size
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale.
Buna-N Diaphragm
and O-Ring
Nickel-Plated Brass 1/4" NPTF 1.5 to 30 PSI
3 to 100 PSI
9 to 300 PSI
15 to 500 PSI
30 to 1000 PSI
100 to 1700 PSI
1 to 2 PSI
1 to 4 PSI
1 to 5 PSI
2 to 8 PSI
3 to 20 PSI
10 to 30 PSI
600 PSI
600 PSI
600 PSI
2500 PSI
2500 PSI
2500 PSI
H100-701
H100-702
H100-703
H100-704
H100-705
H100-706
Welded 316L Stainless
Steel Bellows
316L Stainless Steel 1/4" NPTF 15 to 200 PSI
20 to 300 PSI
25 to 500 PSI
1 to 6 PSI
1 to 7 PSI
1.5 to 8 PSI
800 PSI H100-358
H100-361
H100-376
303 Stainless Steel Piston
Buna-N O-Ring
303 Stainless Steel 1/4" NPTF 75 to 1000 PSI
125 to 3000 PSI
700 to 5000 PSI
30 to 150 PSI
40 to 250 PSI
40 to 375 PSI
10000 PSI H100-610
H100-612
H100-616
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale, 0.72" orifice for clean-out purposes.
Buna-N Diaphragm
and O-Ring
Aluminum 1/2" NPTF 300" Vac to 0" WC
10" Vac to 10" WC
50" Vac to 50" WC
0.5" to 5.0" WC
2.5" to 50" WC
10" to 250" WC
0.2" to 8" WC
0.1 to 0.6" WC
0.1" to 3" WC
0.1" to 0.3" WC
0.1" to 0.8" WC
0.1" to 6" WC
400 PSI H100-520
H100-521
H100-522
H100-523
H100-524
H100-525
Welded 316L
Stainless Steel Diaphragm
316L SS 1/2" NPTF 300" Vac to 0" WC
10" Vac to 10" WC
50" Vac to 50" WC
0.5" to 5.0" WC
2.5" to 50" WC
10" to 250" WC
0.2" to 15" WC
0.1 to 0.6" WC
0.1" to 3" WC
0.1" to 0.3" WC
0.1" to 0.8" WC
0.1" to 6" WC
100 PSI H100-530
H100-531
H100-532
H100-533
H100-534
H100-535
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale, 0.72" orifice for clean-out purposes. NACE MR-0175 compliant.
Welded 316L
Stainless Steel Diaphragm
316L SS 1/2" NPTF 1 to 20 PSI
2 to 50 PSI
4 to 100 PSI
8 to 200 PSI
0.1 to 1 PSI
0.1 to 1.5 PSI
0.1 to 2.5 PSI
0.1 to 3.5 PSI
1000 PSI H100-171
H100-172
H100-173
H100-174
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale. 0.72" orifice for clean-out purposes. NACE MR-0175 compliant with addition of M401 option.
Welded 316
Stainless Steel Diaphragm
316 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
1 to 3 PSI (6 PSI)
1 to 8 PSI (15 PSI)
3 to 18 PSI (25 PSI)
4 to 30 PSI (45 PSI)
5 to 120 PSI (150 PSI)
2500 PSI H100-190
H100-191
H100-192
H100-193
H100-194
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale. 0.06" orifice to dampen pulsations.
Welded 316
Stainless Steel Diaphragm
316 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
1 to 3 PSI (6 PSI)
1 to 8 PSI (15 PSI)
3 to 18 PSI (25 PSI)
4 to 30 PSI (45 PSI)
5 to 120 PSI (150 PSI)
2500 PSI H100-490
H100-491
H100-492
H100-493
H100-494
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale. 0.06" orifice to dampen pulsations. (* NACE MR-0175 compliant with addition of M401 option.)
316L Stainless Steel Diaphragm
Viton GLT O-Ring
316 Stainless Steel 1/2" NPTF 1 to 20 PSI
2 to 50 PSI
4 to 100 PSI
8 to 200 PSI
0.3 to 2.5 PSI
0.3 to 3 PSI
0.5 to 6 PSI
1 to 11 PSI
1000 PSI H100-483
H100-484
H100-485
H100-486
3316L Stainless Steel Diaphragm
Viton GLT O-Ring
316L Stainless Steel 1/2" NPTF 50 to 1000 PSI
250 to 3500 PSI
25 to 125 PSI
50 to 300 PSI
7000 PSI H100-488 *
H100-489 *
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale. (* H100-218 has a 300 series stainless steel spring exposed to media.)
Phosphor Bronze Bellows Nickel-Plated Brass 1/4" NPTF 30" HgVac to 0 PSI
4 to 200 PSI
6 to 300 PSI
1" to 2" Hg
1 to 8 PSI
1 to 10 PSI
30 PSI
250 PSI
350 PSI
H100-218
H100-270
H100-274
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale. (Not recommended for rapid or high cycling pressure changes.)
316 Stainless Steel Bellows 316 Stainless Steel 1/4" NPTF 100 to 1700 PSI 9 to 40 PSI 2500 PSI H100-680
UE H100 pressure switch, one SPDT output, internal adjustment with High/Low reference scale. Mates with customer-supplied Tri-Clamp® fitting system.
Welded 316L
Stainless Steel Diaphragm
316L Stainless Steel 1.5" Sanitary 5 to 30 PSI
10 to 100 PSI
15 to 300 PSI
1 to 5 PSI
1 to 12 PSI
3 to 22 PSI
1500 PSI H100-565
H100-566
H100-567
Bulb & Capillary
Material
Bulb OD
x Stem Length
Reference
Dial
Adjustable Setpoint Range Maximum Temperature Scale Division Click for Price
and Availability
°F °C °F °C °F °C
E100/F100 temperature switch: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure, Bulb Sensor with 6-Foot Capillary, Internal Adjustment  (* Heat Tracing Switch with Standard 10-Foot Capillary.)
Stainless Steel 3/8" OD x 2-5/8"
3/8" OD x 2-5/8"
3/8" OD x 2-1/8"
3/8" OD x 6-3/4"
3/8" OD x 5"
3/8" OD x 3-1/4"
3/8" OD x 11-5/8"
Yes -120° to 100°
30° to 250°
100° to 400°
25° to 100°
-20° to 80°
350° to 640°
25° to 325°
-84.4° to 37.8°
-1.1° to 121.1°
37.8° to 204.4°
-3.9° to 37.8°
-28.9° to 26.7°
176.7° to 337.8°
-3.9° to 162.8°
150°
300°
450°
150°
130°
590°
390°
65.6°
148.9°
232.2°
65.6°
54.4°
365.6°
182.2°
10°
10°
10°


10°
10°






E100-2BSA
E100-2BSB
E100-3BS
E100-4BS
E100-5BS
E100-8BS
E100-13545 *
Stainless Steel 3/8" OD x 3-3/4"
3/8" OD x 2-5/8"
3/8" OD x 2-1/8"
3/8" OD x 6-3/4"
3/8" OD x 5"
3/8" OD x 4-1/2"
3/8" OD x 3"
3/8" OD x 3-1/4"
No -180° to 120°
-125° to 350°
-125° to 500°
-40° to 120°
-40° to 180°
0° to 250°
0° to 400°
50° to 650°
-117.8° to 48.9°
-87.2° to 176.7°
-87.2° to 260°
-40° to 48.9°
-40° to 82.2°
-17.8° to 121.1°
-17.8° to 204.4°
10° to 343.3°
170°
400°
550°
170°
230°
300°
450°
700°
76.7°
204.4°
287.8°
76.7°
110°
148.9°
232.2°
371.1°
N/A N/A F100-1BS
F100-2BS
F100-3BS
F100-4BS
F100-5BS
F100-6BS
F100-7BS
F100-8BS
Copper 3/8" OD x 2-5/8"
3/8" OD x 2-5/8"
3/8" OD x 2-1/8"
3/8" OD x 6-3/4"
3/8" OD x 5"
3/8" OD x 3-1/4"
Yes -120° to 100°
30° to 250°
100° to 400°
25° to 100°
-20° to 80°
350° to 640°
-84.4° to 37.8°
-1.1° to 121.1°
37.8° to 204.4°
-3.9° to 37.8°
-28.9° to 26.7°
176.7° to 337.8°
150°
300°
450°
150°
130°
590°
65.6°
148.9°
232.2°
65.6°
54.4°
365.6°
10°
10°
10°


10°





E100-2BCA
E100-2BCB
E100-3BC
E100-4BC
E100-5BC
E100-8BC
Copper 3/8" OD x 3-3/4"
3/8" OD x 2-5/8"
3/8" OD x 2-1/8"
3/8" OD x 6-3/4"
3/8" OD x 5"
3/8" OD x 4-1/2"
3/8" OD x 3"
3/8" OD x 3-1/4"
No -180° to 120°
-125° to 350°
-125° to 500°
-40° to 120°
-40° to 180°
0° to 250°
0° to 400°
50° to 650°
-117.8° to 48.9°
-87.2° to 176.7°
-87.2° to 260°
-40° to 48.9°
-40° to 82.2°
-17.8° to 121.1°
-17.8° to 204.4°
10° to 343.3°
170°
400°
550°
170°
230°
300°
450°
700°
76.7°
204.4°
287.8°
76.7°
110°
148.9°
232.2°
371.1°
N/A N/A F100-1BC
F100-2BC
F100-3BC
F100-4BC
F100-5BC
F100-6BC
F100-7BC
F100-8BC
Stem and Thread
Material
Stem NPT x Length
Below 1/2" Thread
Reference
Dial
Adjustable Setpoint Range Maximum Temperature Scale Division Click for Price
and Availability
°F °C °F °C °F °C
B100/C100 temperature switch: One SPDT Output, NEMA 4X Diecast Aluminum Enclosure Internal Adjustment, Immersion Stem  (* Freeze Protection)
Nickel-Plated Brass 9/16" OD x 1-7/8" BT
9/16" OD x 1-7/8" BT
Yes 0° to 225°
200° to 425°
-17.8° to 107.2°
93.3° to 218.3°
275°
475°
135°
246.1°
10°
10°

B100-120
B100-121
Nickel-Plated Brass 9/16" OD x 1-7/8" BT
9/16" OD x 1-7/8" BT
No 0° to 225°
200° to 425°
-17.8° to 107.2°
93.3° to 218.3°
275°
475°
135°
246.1°
10°
10°

C100-120
C100-121
Stainless Steel 9/16" OD x 2-11/16" BT Yes 15° to 140° -9.4° to 60° 160° 71.1° B100-13456
More Information
SIL-Rated Yes
Measured Variable Differential Pressure, Gauge Pressure, Vacuum/Compound Pressure, Temperature
Enclosure/Construction NEMA 4X
Switch Output SPDT, DPDT
Sensor Type Bellows, Diaphragm, Piston, Immersion Stem, Bulb and Capillary
Adjustment Internal Adjustment, Reference Scale/Dial
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