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United Electric controls
United Electric Controls has made pressure and temperature switches since 1931 in Watertown, USA. Instrument technicians usually shorten the name to UE, which is also what appears on many nameplates. Seven Star LLC lists United Electric pressure switches from the H100 family and the One Series and supplies them to plants in Oman for alarm and shutdown duties.
Read more about United Electric controls 
Brand profile
About United Electric controls
- Founded
- 1931
- Headquarters
- Watertown, USA
- Speciality
- Pressure and temperature switches
- Listed with us
- 5 products
United Electric Controls has made pressure and temperature switches since 1931 in Watertown, USA. Instrument technicians usually shorten the name to UE, which is also what appears on many nameplates.
Seven Star LLC lists United Electric pressure switches from the H100 family and the One Series and supplies them to plants in Oman for alarm and shutdown duties.
United Electric pressure switches listed here
Two kinds of UE switch are on this page:
- H100-172, H100-190, H100-361 and H100-376: electromechanical pressure switches from the 100 Series, which the manufacturer builds in a NEMA 4X enclosure. The number after the dash is the model that fixes the sensor type and the adjustable range.
- One Series 1XSWLL: an electronic pressure switch with a digital display, from UE’s explosion-proof One Series.
An H100 switch needs no power to operate its contacts. A One Series unit is an electronic device, so its supply and output wiring must be considered when it replaces a mechanical switch.
Where United Electric switches are used
Pressure switches of this kind sit on pump discharge lines, compressor lube oil systems, burner trains, hydraulic units and process vessels. They raise an alarm or trip equipment when pressure moves outside a set limit. In oil and gas, power and water plants across the GCC they are found in alarm and shutdown circuits and on packaged equipment.
Ordering United Electric switches: what we need
A UE model is a string: the type, the model number and then option codes. Send it complete, exactly as on the nameplate, for example H100-190 plus any option codes that follow. If the nameplate is unreadable, give us the adjustable range, the set point and whether it acts on rising or falling pressure, the process connection, the wetted material, the switch output and the enclosure or hazardous-area requirement. For the One Series, the full 1XSWLL code with its range and option suffixes is needed. We check each code against the manufacturer documentation and propose the manufacturer’s successor if a model is no longer built.
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Request a Quote for United Electric controls Products
Looking for United Electric controls parts not listed here, or pricing for a project? Send us the part numbers and quantities. Seven Star LLC sources genuine United Electric controls products for customers across Oman and the GCC and replies with a formal quotation.
- Genuine OEM products
- Supply across Oman & the GCC
- Formal quotation from our sales team
Free, no-obligation quotation · takes about 1 minute
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Frequently Asked Questions
How do I read a United Electric H100 model number?
H100 identifies the switch type and enclosure style. The number after the dash, such as 190 or 361, is the model that defines the pressure sensor and the adjustable range. Option codes may follow for things like switch output or wetted material. Send the whole string from the nameplate.
Are H100-190 and H100-361 interchangeable?
No. The model number after the dash sets the sensor and the range, so two H100 switches with different numbers cover different pressures and may have different wetted parts and connections. Replace a switch with the same model number, or have the range and materials checked before accepting another one.
What is the difference between an H100 switch and the One Series 1XSWLL?
The H100 is electromechanical: a sensing element moves a snap-action switch, and no power supply is needed. The One Series 1XSWLL is an electronic switch with a display. It can replace a mechanical switch in many loops, but the wiring, leakage current and approvals of the loop must be reviewed first.
What should I send for a United Electric quotation?
Send the full model and option codes, the quantity and the set point if you want it factory set. If you only have process data, give the range, set point direction, connection size, wetted material, electrical rating and area classification. A nameplate photo is always useful.
Is Seven Star LLC a distributor of United Electric Controls?
No. Seven Star LLC is an independent industrial supplier based in Muscat. We source United Electric Controls switches through commercial channels, check the model or order code against the manufacturer's documentation before quoting, and provide the manufacturer's datasheet and the certificates the manufacturer issues with the order on request.