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Updated April 2017

Maximum horsepower of motors permitted

​Rating of Main Service Conductors (AMPS) ​208Y V ​240 V 3-Phase ​480Y V ​600Y V
​100 A ​10 ​10 ​25 ​30
​200 A ​20 ​20 ​50 ​50
​300 A ​30 ​30 75 ​100
​400 A ​40 ​40 ​100 ​125
​600 A ​60 ​* ​150 ​200
​800 A ​75 ​* ​200 ​200
​1,200 A ​100 ​* ​200 ​200
​1,600 A ​125 ​* ​200 ​200
​2,000 A ​150 ​* 200​ ​​200

* Special permission is required before EDTI will grant construction approval for motors larger than those indicated in the table. Please contact EDTI

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