Answer / daher

use overload circuit breaker to protect it, thermal
overload protects your motor againts overloading or/and
overthermal switch mount it on the motor stator.

Answer / aditya sharma

Overload relay will be use for overload protection
Different different rating of overload relay

Answer / nikhan

# 1 Motor
Rating Motor F.L.C in Amp
0.25 KW 0.4725
0.37 0.6475
0.5 0.9625
0.75 1.3125
1.1 1.925
1.5 2.625
2.2 3.85
3 5.25
3.7 6.475
4 7
5 - 5.5 9.625
7.5 13.125
9.3 16.275
11 19.25
15 26.25
18.5 32.375
22 38.5
30 52.5
37 64.75
45 78.75
55 96.25
75 131.25
90 157.5
110 192.5
132 231
150 262.5
160 280
200 350
250 437

Answer / kiranbabu

Motor
Rating Motor F.L.C in Amp
0.25 KW 0.4725
0.37 0.6475
0.5 0.9625
0.75 1.3125
1.1 1.925
1.5 2.625
2.2 3.85
3 5.25
3.7 6.475
4 7
5 - 5.5 9.625
7.5 13.125
9.3 16.275
11 19.25
15 26.25
18.5 32.375
22 38.5
30 52.5
37 64.75
45 78.75
55 96.25
75 131.25
90 157.5
110 192.5
132 231
150 262.5
160 280
200 350
250 437.5

at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.

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1 Answers  

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