in thermal overload relay class 10A indicate what
Answer Posted / jitendra gosai
Standard tripping classes are 10 A, 10, 20, 30. The
tripping
class indicates according to IEC 60947-4-1 the maximum
tripping time in seconds under specified conditions of test
at
7.2 times the setting current and specifics tripping and non
tripping times for 1.5 and 7.2 times the setting current.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????
any earth foult trip the relay but in welding time not trip by earth foult
from which subjects most of the technical que will b asked for hpcl(electrical).pls help me
what happen ehen synchronisation is done at below rated speed
What is EMC filter in VVVF Drive ?
What is miller crystal oscillator? Explain its operation?
Is there any standard guidelines/Criteria to design NGR/NGT.?
which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?
what is the eight bit unit?
earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?
What is bode plot?
Single line digram for 11 kV to distribution use go,la and do
-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.
300m long and 30kw inductive loade 3phase supply how many size cable required
What is advantages of VSCF wind electrical system?