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Moeller Wiring Manual > Standards, formulae, tables > Formulea > Power of electric motors
Standards, formulae, tables
Formulea

Power of electric motors [t-head1-pg]

   
Output
 
Current consumption
Direct current
 

 

Single-phase AC

Alternating current

P1 = Rated mechanical power at the motor shaft
P2 = Electrical power consumption
Efficiency
 

 

Number of poles
 
Synchronous speed
 
Full-load speed
2
3 000
2 800 – 2 950
4
1 500
1 400 – 1 470
6
1 000
900 – 985
8
750
690 – 735
10
600
550 – 585
Synchronous speed = approx. no-load speed
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