Advantages:

• Identify operational problem of the circuit breaker.
• The possibility to carry out online test, which reduce the down time.
• Identifying such mechanical problems as:
• Sticking the mechanism
• Lubrication failure
• Reduced Mechanism Operating Speed

Identifying such electrical problems as:

• Trip and Close Coils condition
• Faulty Main Contact Operation
• Faulty Auxiliary Contact Operation
• Poor contacts
• Anti-pump Relay Scheme Failure
• DC Spring Motor Charging Current
• Faulty Battery Charger
• High Impedance DC Supply