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Please provide the data about breaker SF1 24 KV , 25 KA/ 3sec 1250A Mcset 4 panel Voltage drop across contact at nominal current . Total travel of moving main contact Speed of breaker contact

Kindly find below the answer: 

1- Voltage drop across contact at nominal current: 5,7 mV 

2- Total travel of moving main contact: 85 mm 

3- Speed of breaker contact :given by acceptance criteria : Vo < 3.6 m/s 
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