Choosing the Right United Electric Switch
Logo: United Electric Controls

Below is a quick side-by-side spec comparison to help you find the right UE pressure, differential pressure, or temperature switch for your application.

| Pressure | Differential Pressure | Temperature |

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Pressure Switch Series 40 54 25 Spectra 10 24 J6 400 100 117 120 Spectra 12 One Series
Gage Pressure Ranges standard standard standard standard standard standard standard standard standard standard standard standard
Vacuum Pressure Ranges           standard standard standard standard standard   optional
Enclosure Rating and Construction
Skeleton Construction standard standard                    
NEMA 1 General Service   standard standard standard                
NEMA 4     standard standard standard              
NEMA 4X           standard standard standard standard standard standard standard
NEMA 7                   optional standard  
NEMA 9               optional   optional standard  
Division 1 Hazardous Environments                   standard   standard
Division 2 Hazardous Environments                 standard standard    
Division 1 Zone 1 Hazardous                     standard  
Sanitary               optional optional optional    
Switch Output
One SPST                       standard
One SPDT standard standard standard standard standard standard standard standard standard standard standard  
DPDT               optional   optional standard  
Two SPDT             standard     standard    
Three SPDT             standard          
Hermetically Sealed SPDT or DPDT                 standard optional standard  
MOSFET/Solid State Relay                       standard
Adjustment
External Adjustment standard standard standard           standard standard    
Screwdriver Adjustment       standard                
Internal Adjustment   standard   standard standard standard standard standard standard standard    
Hex Adjustment   standard                    
Reference Scale/Dial   standard         standard standard standard standard    
Sensor Type
Welded Stainless Steel           standard standard standard standard standard   standard
Elastomer Diaphragm     standard     standard standard standard standard standard    
Brass/Bronze Bellows standard standard       standard standard standard standard standard    
Piston           standard standard     standard    
 
Differential Pressure Switch Series J21K 24
Delta Pro		 100 400 120 Spectra 12 One Series
Enclosure Rating and Construction
NEMA 1 General Service standard            
NEMA 4   standard          
NEMA 4X Watertight     standard standard standard standard standard
NEMA 7         optional standard  
NEMA 9     standard   optional standard  
Division 1 Hazardous Environments         standard standard  
Division 2 Hazardous Environments         standard   standard
Sanitary     optional   optional    
Switch Output
One SPST             standard
One SPDT standard standard standard standard standard    
DPDT     optional   optional standard  
Two SPDT       standard standard standard  
Three SPDT       standard      
Hermetically Sealed SPDT or DPDT         optional standard  
MOSFET/Solid State Relay             standard
Adjustment
External Adjustment         standard    
Internal Adjustment     standard standard standard    
Reference Scale/Dial     standard standard standard    
Sensor Type
Welded Stainless Steel standard   standard standard standard   standard
Elastomer Diaphragm     standard standard standard    
Brass/Bronze Bellows standard   standard standard standard    
Piston standard     standard standard    
 
Temperature Switch Series 54 400 100 117 800 120 Spectra 12 One Series
Enclosure Rating and Construction
Skeleton Construction standard              
NEMA 1 General Service standard       standard      
NEMA 4         standard      
NEMA 4X Watertight   standard standard standard optional standard standard standard
NEMA 7         standard optional standard  
NEMA 9     standard   standard optional standard  
Division 1 Hazardous Environments         standard standard    
Division 2 Hazardous Environments       standard standard standard   standard
Division 1 Zone 1 Hazardous             standard  
Sanitary     optional optional   optional    
Switch Output
One SPST               standard
One SPDT standard standard standard standard standard standard standard  
DPDT     optional     optional standard  
Two SPDT   standard     standard standard    
Three SPDT   standard            
Hermetically Sealed SPDT or DPDT       standard   optional standard  
MOSFET/Solid State Relay               standard
Adjustment
External Adjustment standard     standard   standard    
Internal Adjustment standard standard standard standard   standard    
Hex Adjustment standard              
Reference Scale/Dial standard standard standard standard   standard    
Sensor Type
Immersion Stem standard standard standard standard   standard   standard
Bulb and Capillary standard standard standard standard standard standard standard optional
RTD with Extension               standard

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Last Ed. Date: 05/18/2009 03:56 PM

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