how we select fuse rating for motor?

Answers were Sorted based on User's Feedback

how we select fuse rating for motor?..

Answer / sindhu

fuse rating is selected depending upon the rated current
which will be specified in the name plate details of the
usually for load test,
fuse rating=(125\100)*rated current

Is This Answer Correct ?    31 Yes 8 No

how we select fuse rating for motor?..

Answer / harish kumar

fuse rating is selected depending upon the full load current of the motor , generally 1.5 times higher then the full load current.

Is This Answer Correct ?    16 Yes 2 No

how we select fuse rating for motor?..

Answer / arulkumaran

(e.g) motor current rating = 8 ampetre
fuse rating = 8 * 1.25
= 10 ampere

Is This Answer Correct ?    8 Yes 1 No

how we select fuse rating for motor?..

Answer / os

Code F: 2.5 X FLA
No Code Letter: 2.5 X FLA
Wound Rotor 1.5 X FLA

Is This Answer Correct ?    3 Yes 6 No

how we select fuse rating for motor?..

Answer / alpesh chauhan

dear friends, fuse is provided as backup protection for relay and is for short ckt and ground fault protection. Its rating is depend upon relay rating. Not upon motor.

Is This Answer Correct ?    1 Yes 12 No

how we select fuse rating for motor?..

Answer / dany

fuse rating will be decided by the line current of the
motor ,but not on the basis of armature currentor field
for ex if line current is say13.6amps ,then fuse should be

Is This Answer Correct ?    3 Yes 27 No

Post New Answer

More Electrical Engineering Interview Questions

What's an AVR? What's its purpose in Generators?

4 Answers  

Why we are going for converter transformers for DC drives application instead of distribution transformer?

0 Answers  

If 24 KVA AVR having Input voltage 200-400v, Output voltage 415+-1%, what will be the voltage if Load is 13A.

0 Answers   Sterling Wilson,

what is the MF if CT ratio is 500/5 and in meter specification is 3.75 REVS/KWH? Thanks and Regards Selvendran.N

1 Answers  

what is Micrologic 6.0A advantages over Micrologic 2.0A

1 Answers  

What are the components of feedback control system?

0 Answers  

what is the calculation of power factor?

4 Answers   GATE,

two transformer connected in parallel.tap change are different.if i want to on the buscoupler what happen?

1 Answers   Essar,

What is an Automatic Voltage Regultor & what is its use? What are the general componets we use to design an Automatic Voltage Regulator..What are the factors to be considered for its design?

3 Answers  

what is the diffrence between dol and star delta strater? why star delta starter used instead of dol?

3 Answers  

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

1 Answers  

Upto what extend the powerfactor of a supply system can be improved to be cost effective?

1 Answers  

  • Civil Engineering Interview Questions Civil Engineering (5070)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4442)
  • Electrical Engineering Interview Questions Electrical Engineering (16578)
  • Electronics Communications Interview Questions Electronics Communications (3915)
  • Chemical Engineering Interview Questions Chemical Engineering (1091)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (214)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (258)
  • Instrumentation Interview Questions Instrumentation (2986)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (122)
  • Power Plant Engineering Interview Questions Power Plant Engineering (170)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (0)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1376)