Q120-electric
United Electric Explosion-Proof Pressure Q120
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United Electric Explosion-Proof Pressure Q120
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Specifications
| Brand | United Electric (UE) |
|---|---|
| Model Number | Q120 |
| Official Product Name | United Electric Q120 Pressure & Temperature Switch |
| Applicable System | Hazardous-area process, safety and emergency-shutdown systems |
| Product Type | Explosion-Proof Pressure / Temperature Switch (120 Series) |
| Equivalent Standard | Contact us for cross-reference and alternative models |
| Product Status | In Stock |
| Product Family | 120 Series explosion-proof pressure / vacuum / differential-pressure / temperature switches |
| Certifications | SIL2 certified (SIL3 capable); UL, cUL, ATEX, IECEx, CE (LVD/PED) |
| Switch Output | SPDT, DPDT or dual SPDT (terminal-block wiring, NEMA 4X enclosure) |
| Adjustable Ranges (120 Series) | Pressure & vacuum 30" HgVac to 6000 psi; differential 30" Hg to 1000 psi; temperature -180° to 650°F. Exact Q120 range N/A — confirm from model plate |
| Manufacturer | United Electric Controls (UE) |
Product Description
United Electric Controls (UE) is a US manufacturer of industrial pressure and temperature switches, and the 120 Series is SIL2-certified for safety-instrumented systems. The 120 Series real specifications are confirmed from the manufacturer's published datasheet; the exact Q120 variant (set-point range, process connection and electrical rating) is not found on a public page and must be confirmed against the model plate. Our team supplies genuine UE parts and can cross-reference the number. The United Electric Q120 is a member of United Electric Controls' 120 Series family of explosion-proof pressure, vacuum, differential-pressure and temperature switches for hazardous-area and harsh-environment service.
Basic Product Information
- UL listed, cUL-certified, ATEX flame-proof and CE (LVD, PED) compliant; NEMA 4X epoxy-coated enclosure.
- SPDT, DPDT or dual SPDT switch output with internal or external set-point adjustment.
- Welded stainless-steel diaphragm/bellows sensor materials for corrosive or explosive media.
- SIL2-certified (SIL3 capable) explosion-proof switch for Class I, Div 1 & 2, Zone 1 hazardous locations.
Technical Specifications
Version & Model Difference
The Q120 is one variant within UE's 120 Series; exact sub-family (pressure, differential-pressure or temperature), set-point range, process connection and electrical rating must be confirmed from the unit's nameplate. United Electric's model-selection chart uses the '120' series suffix and a leading letter to denote sensor type.
Application Scenarios
- Alarm, safety and emergency-shutdown functions on rotating equipment such as pumps, turbines and compressors.
- Heat tracing, combustion systems and oil, gas and chemical processing in hazardous areas.
- MRO and spare-part replacement for installed United Electric 120 Series switches.
- United Electric 822E-8BS Remote Capillary Temperature Indicator Switch
Frequently Asked Questions
What is the United Electric Q120?
It is a United Electric 120 Series explosion-proof pressure/temperature switch for hazardous areas. The 120 Series real specifications are confirmed from UE's datasheet; the exact Q120 variant should be verified from the unit nameplate.
Are United Electric Q120 specifications and ranges available?
The 120 Series offers pressure/vacuum to 6000 psi, differential to 1000 psi and temperature -180° to 650°F, with UL/ATEX/IECEx approvals. The specific Q120 range, connection and rating are not on a public page — contact us with your nameplate for exact data.
Is the United Electric Q120 in stock and what is the lead time?
We supply genuine UE 120 Series switches; stock and lead time for the exact Q120 configuration depend on the confirmed variant. Contact us with your requirement for current status and delivery.
Can you supply equivalents or cross-references?
Yes. Our team cross-references the Q120 to alternative UE 120 Series models and compatible equivalents. Share your model and nameplate details and we will advise the best match.
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