Answer Posted / chreamz
A fuse is a normally closed protective device that ionises
(burnout open circuitry) under fault condition or when
current over its rating flow through it. Everything happens
automatically with no external actuator. Once blown, it
must be replaced. A circuit breaker if also a protective
device that gets a closing/tripping command from the relay.
It has internal & external devices (actuator) that bring
about execute the action sent by the relay. The life span
of the CB depends on the load, operation and maintenance.
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
What is cut-off rate?
What is your acheivements
difrent between vcb acb sf6 and mccb breakers
would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?
How can we calculate the motor frame sizes?
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
Define unilateral circuit?
how to maintain frenquncy with syncronising sub-station for distribution
2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation
what is the difference between gas group b and gas group c electrical equipment construction wise?
What is the use of oil in transformers?
what is the safety of voltage power transformer(2250KVA0
Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.
What is an ac motor?
why star point of HT motor not earthed?