Westinghouse C0-8 - User Manual

 



 



   
  






      
   
       
      
        


   

  
   
 
  
   
   
   

       
       
      
 

      
        
         
      
       
        
        
        
 
      
        
 
        
       
       
       
        
     
 
  
       
       
       
        
 
   
       
   
       
   
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            
        
     
    
 
 
  
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Summary

Important Safety Precautions Before Relay Installation

Type CO Relay Construction and Operation

Energy Requirements for Type CO Relays

Type CO Relay Settings and Adjustments

CO Unit Settings

Details setting the overcurrent unit by tap setting and time dial or specific time of operation.

Type CO Relay Installation Guidelines

Type CO Relay Adjustments and Maintenance

Acceptance Check Procedure

Recommends checks for contacts, minimum trip current, and time curves to ensure proper operation.

Routine Maintenance Schedule

Covers periodic inspection, time operation checks, and contact cleaning using recommended tools.

Type CO Relay Calibration Procedure

CO Unit Calibration Steps

Includes contact alignment, minimum trip current, and time curve calibration for the CO unit.

Time Curve Calibration Data

Westinghouse C0-8 Specifications

General

Type	Electromechanical Relay
Model	C0-8
Function	General Purpose
Contact Form	DPDT
Mounting Type	Socket