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Have a live application? Use our United Electric Product Overview and Quick Selection Guide to configure the model and options for your requirement:

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ABLE are United Electric’s Exclusive Representative for Sales and Service in the UK and Ireland and can assist you and your customers in the following areas:

  • Application expertise
  • Our factory trained engineers offer after sales support, service and maintenance (contracts available)
  • Offer advanced United Electric pressure / temperature switch product training, either in-person or via video call.

Further to the above, ABLE can offer custom solutions based on your individual requirements. Email us now at [email protected]

United Electric 100 Series Pressure / Temperature Switch

ABLE Instruments are United Electric’s Exclusive Representative for Sales and Service in the UK and Ireland, including the 100 Series, a cost-effective pressure and temperature switch for process plants and OEM equipment. The rugged, one-piece enclosure features a slanted cover for wiring accessibility. A wide variety of microswitch and process-connection options make this versatile series ideal for applications requiring a rugged weather-proof mechanical switch. Typical applications that utilise the United Electric 100 Series are heat tracing, freeze protection, processing equipment (pumps, compressors), inputs for annunciator panels, and fire suppression systems.


  • UL listed and cUL certified
  • CE compliant to low voltage directive and pressure equipment directive
  • Optional ATEX or GOST intrinsic safety compliance
  • Single switch (SPDT or DPDT) output
  • Welded stainless steel diaphragm models
  • Ultra-low pressure, “wc models
  • Optional sensor material for corrosive media
  • Polished stainless steel flush mount connection
  • Pump switch models with wide adjustable deadband
  • Tamper-Resistant Set Point “Lock”
  • Heat Trace and Freeze Protection Thermostats
  • Proof Pressures to 10,000 psi (689,5 bar)

Have a particular application / project in mind? We’d welcome a call on +44 (0) 1189 169 420, or email us now at [email protected]

The UE 100 Series Pressure and Temperature Switch SIL 2 certified (SIL 3 capable) switch facilitates reliable local switching of final elements in safety instrumented systems (SIS) Quick and easy installation is achieved via straight forward access to the wiring compartment and simple set point adjustment using reference dial or scale, and calibrated gauge.

100 Series Specifications:

Storage Temperature
-65 to 160°F (-54 to 71°C)
Ambient Temperature Limits
-40 to 160°F (-40 to 71°C); models 520-525, 540-548, 700-706, 15731-15736: 0 to 160°F (-18 to 71°C); Set point typically shifts less than 1% of range for a 50°F (28°C) ambient temperature change
Set Point Repeatability
Temperature models:
± 1% of adjustable range
Pressure models:
15623, 15731-15737, 171-174, 218, 270-376, 520-535, 540-543, 700- 706, 560-564: ± 1% of adjustable range;
models 190-194, 183-189, 483-494, 544-548, 565-567, 610-680, 15884: ±1.5% of adjustable range
Internal set point lock on all pressure models
Set point repeats after 15 G, 10 millisecond duration
Set point repeats after 2.5 G, 5-500 Hz
Die cast aluminium, epoxy powder coated, gasketed, captive cover screws
Enclosure Classification
Enclosure type 4X
Switch Output
One SPDT snap action switch; switch may be wired “normally open” or “normally closed”
Electrical Rating
15A 125/250/480 VAC resistive except for H100-15623, 15731-15737, 15884, 20A 125/250/480 VAC resistive, B100-13546 and E100-13545, 22A/480 VAC. Electrical switches have limited DC capabilities at 24-30 VDC, 2A resistive and 1A inductive. 125 VDC, 0.5A resistive, 0.03A inductive. Consult factory for additional information.
2-7 lbs; Varies with model
Electrical Connection
1/2” NPT (female); Two 7/8” diameter knockouts
Pressure Connection
Models 15623, 218, 270-376, 610-680, 701-706, 15731-15884: 1/4” NPT (female);
Models 171-194, 483-494, 520-535, 15737: 1/2” NPT (female);
Models 540- 548: 1/8” NPT (female);
Models 560-564: 2” Sanitary Fitting;
Models 565-567: 1.5” Sanitary Fitting (Sanitary fittings mate with Tri-Clamp fitting systems)
Temperature Assembly
Bulb and capillary: 6 feet 304 stainless steel except for E100-13545, 10 feet 304 stainless steel
Immersion stem: nickel-plated brass (standard) except for B100-13546 stainless steel; optional 316L stainless steel
Models 1BS/BC are solvent filled, models 2-8 non-toxic oil filled
Temperature Deadband
Type F typically 1% and type B, C, and E typically 2% of range under laboratory conditions (70°F ambient circulating bath at rate of 1/2°F per minute change)
Heat Tracing / Freeze Protection
Thermostats designed specifically for heat tracing and freeze protection ambient sensing applications are available with types B100 and E100
United States / Canada
UL Listed, cUL Certified
Temperature: UL 873; CSA C22.2 no. 24, File # E10667
Pressure: UL 508; CSA C22.2 no. 14, File # E42272;
Enclosure Type 4X
ATEX Directive (94/9/EC)
II 1 G EEx ia IIC T6, (OPTIONAL – code M405)
Tamb.= -50°C to +60°C
UL International DEMKO A/S (N.B.#0539)
Certificate #DEMKO 03 ATEX 0335063
EN 50014, 50020, 50284
Low Voltage Directive (LVD) (73/23/EC & 93/68/EEC)
UEC compliant to LVD
Products rated lower than 50 VAC and 75 VDC are outside of the scope of the LVD
Pressure Equipment Directive (PED) (97/23/EC)
Compliant to PED
Products rated lower than 7.5 psi are outside the scope of the PED
Gosgortechnadzor Permit (OPTIONAL – code M406)
Tamb = -50°C to +60°C
NANIO CCVE Certification Center
Certificate # ROSS US.GB05.Bo2933
GOST R 51330.0, 51330.1, 51330.10 & 51330.14
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Price: POA Contact 247ABLE