Choosing the Right United Electric Temperature Switch

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

Key: standard= Standard feature. optional= Optional.

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