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Franklin AIM - Page 28
 
Table 28  Three-Phase Motor Fuse Sizing
Type Motor
Model
Prefix
Rating Circuit Breakers or Fuse Amps Circuit Breakers or Fuse Amps
(Maximum per NEC) (Typical Submersible)

Standard
Fuse

Dual Element
Time Delay Fuse
Circuit
Breaker
Standard
Fuse
Dual Element
Time Delay Fuse
Circuit
Breaker
HP



40
KW



30
Volts
8"
STD.
239660 380 200 125 175 200 80 175
239600 460 175 100 150 175 70 150
239610 575 150 80 110 125 60 110
239661

50


37
380 250 150 200 225 100 200
239601 460 200 125 175 200 80 175
239611 575 175 90 150 150 70 150
239662

60


45
380 300 175 250 300 125 250
239602 460 250 150 200 225 100 200
239612 575 200 110 175 175 80 175
239663

75


55
380 350 200 300 350 150 300
239603 460 300 175 250 300 125 250
239613 575 250 150 200 225 100 200
239664

100


75
380 500 275 400 450 200 400
239604 460 400 225 350 400 175 350
239614 575 350 200 300 300 125 300
239165

125


93
380 700 400 600 600 250 600
239105 460 500 300 450 500 225 450
239115 575 450 250 350 400 175 350
239166

150


110
380 800 450 600 700 300 600
239106 460 600 350 500 600 250 500
239116 575 500 300 400 450 200 400
239167

175


130
380 800 500 700 800 350 700
239107 460 700 400 600 700 300 600
239117 575 600 350 450 600 225 450
239168

200


150
380 1000 600 800 1000 400 800
239108 460 800 450 700 800 350 700
239118 575 600 350 500 600 250 500
 
Table 28A 8" 8" Three-Phase Motor Fuse Sizing
Type Motor
Model
Prefix
Rating Circuit Breakers or Fuse Amps Circuit Breakers or Fuse Amps
(Maximum per NEC) (Typical Submersible)

Standard
Fuse

Dual Element
Time Delay Fuse
Circuit
Breaker
Standard
Fuse
Dual Element
Time Delay Fuse
Circuit
Breaker
HP



40
KW



30
Volts
8"
HI-TEMP
279160 380 225 125 175 200 90 175
279100 460 175 110 150 175 70 150
279110 575 150 90 125 125 60 125
279161

50


37
380 250 150 225 225 110 225
279101 460 200 125 175 200 90 175
279111 575 175 100 150 150 70 150
279162

60


45
380 300 175 250 300 125 250
279102 460 275 150 225 250 100 225
279112 575 200 125 175 175 80 175
279163

75


55
380 400 200 350 350 150 350
279603 460 300 175 275 300 125 275
279113 575 275 150 225 225 100 225
279164

100


75
380 500 300 450 450 200 450
279104 460 400 250 350 400 175 350
279114 575 350 200 300 300 125 300
279165

125


93
380 700 400 600 600 250 600
279105 460 500 300 450 500 225 450
279115 575 450 250 350 400 175 350
279166

150


110
380 800 450 600 700 300 600
279106 460 600 350 500 600 250 500
279116 575 500 300 400 450 200 400