PRODUCT SPECIFICATIONS > INSTRUMENTATION

Clark Solutions

CJ Pressure Switch

Adjustable Set Point Range, 3-120 PSI

DESCRIPTION

Model CJ is a simple, reliable low cost pressure switch that uses a spring loaded diaphragm as the sensing element. A Buna-N diaphragm is standard.

In operation, the diaphragm actuates a snap action electrical switch that insures a positive, instantaneous electrical contact under all operating conditions.

SPECIFICATIONS

Set Point Range: 3 - 120 PSI (.21 - 8.3 Bar)
Set Point Tolerance: ±1 PSI or 5% (.07 Bar)
Maximum Operating Pressure: 250 PSI (17 Bar)
Proof Pressure: 750 PSI (51 Bar)
Differential: 10 - 20%
Current Rating: 3 A @ 125 VAC
	2 A @ 30 VDC (Resistive)
Media Connection: Brass, See Order Chart Below 
	for Options
Circuit Form: SPST-NO or SPST-NC
Electrical Connection: See Order Chart Below 
	for Options
Diaphragm Material: Buna N
Cycle Life: 1 Million
Housing: NEMA 4, 13

 






MP - Female 280 Series

								18 AWG Wire

								6" complete length		
WL - 18 AWG wire, 18" long

								Black-common; Red, normally
								open; Blue, normally closed		









WP - Female Tower Type

								18 AWG wire

								6" complete length		
QC - Quick Connects

								1/4" Spades		





 
ORDERING INFORMATION
ORDER NUMBER ABCDEFG
EXAMPLE- CJ-2A2020IW


  
					

						PLEASE CALL 1-800-253-2497 TO ORDER THESE ITEMS
					

					


    
    A=Model
   
    
    B=Media Connection
    
    
    C=Circuit Form

    
    D=Range
    
    E=Desired Set Point
    
    F=Set Point Direction
    

    G=Electrical Connections
   
  

  

  
    CJ
   
    1=1/4" - 18 NPT Male
    
    A=SPST-NO
    1=3-10 PSI

    3 - 120 PSI
    
    J= Rising Adjustable
    
    WL= Wire Leads 18"

  


  

    
    2=1/8" - 27 NPT Male
    
    B=SPST-NC
    2=6-30 PSI
     
    
    G= Falling Adjustable
    
    QC= 1/4" Spade Connection


  

  

    
    17= 1/4" - 19 BSPP Male
    
    C=SPDT

    3=20-120 PSI
    
    Examples:
     
    
    WP= Weather Pack


  

  

    
    28= 1/8" - 28 BSPP Male
     
     

    
    
    4PSI= 004
    
    HM=Mini-DIN Connector

  

  


    
     
    
    90 PSI= 090
    
    MP= Metri-Pack

  


  

    
    
    110 PSI= 110
    
    
    AT= 10A @ 125/250VAC, 5A @ 
    30VDC


  

  

    
     
    
    AU= Gold Contacts, 50mA @ 
    30VDC

  












		





 

















	
	


	
	
	
	
	
		
	
	
		






	


	

	
	


	




	


	




	
	


	



		  


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