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متابعة

What's the difference between Isolator and Circuit Breaker?

Isolator is a off load device which is used for isolating the downstream circuits from upstream circuits for the reason of any

maintenance on downstream circuits. it is manually operated and does not contain any solenoid unlike circuit breaker. it should not be

operated while it is having load. first the load on it must be made zero and then it can safely operated. its specification only rated

current is given. But circuit breaker is on load automatic device used for breaking the circuit in case of abnormal conditions like short

circuit, overload etc., it is having three specification1 is rated current and2 is short circuit breaking capacity and3 is instantaneous

tripping current.

 

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تم إضافة السؤال من قبل Ashraf Ashour Mahmoud , Head Of Electrical Department , miracles
تاريخ النشر: 2016/12/13
ASHAD ALI
من قبل ASHAD ALI , IT resource executive , Extramarks education private limited

Isolator is an off-load device while, circuit breaker is an on-load device.Isolator is a switch operated manually, which separate the circuit from the power main and discharges the trapped charges in the circuit.A circuit breaker is an automatic switch, designed using electromechanical techniques to prevent power overload damage or short circuits.

shelesh Tiwari
من قبل shelesh Tiwari , Manager , Havells India Limited

A circuit breaker without protection and tripping function can be called ISOLATOR provided it also comlied with test requirements for ISOlation.

MUHAMMAD SHAHID NAVEED
من قبل MUHAMMAD SHAHID NAVEED , SR. Electrical Maintenance Lead , Solvay Saudi Services & Co

Circuit is having coil for to make it trip due to overload or due to short circuit by shunt Relay but the isolator is only the on off switch with fuse protection or not depend on the design.

المزيد من الأسئلة المماثلة

هل تحتاج لمساعدة في كتابة سيرة ذاتية تحتوي على الكلمات الدلالية التي يبحث عنها أصحاب العمل؟