Heavy Duty And Normal Duty Ratings - YASKAWA GA700 Technical Manual

9.2

Heavy Duty and Normal Duty Ratings

The ratings for this product are based on two types of load ratings depending on the load characteristics of an
application: Heavy Duty Rating (HD) and Normal Duty Rating (ND).
Refer to the following table for more information on the differences between a Heavy Duty Rating and a Normal
Duty Rating.
Duty Rating
Setting
Heavy Duty Rating 1
(HD1)
Normal Duty Rating 1
(ND1)
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
C6-01
Application
• Extruder
• Conveyor
0
• Crane or hoist
• Applications that require constant
torque or high overload capacity
• Fan
• Pump
1
• Blower
• Applications that require variable
speed control

9.2 Heavy Duty and Normal Duty Ratings

Default Carrier Overload Tolerance
Frequency
150% of the rated output
2 kHz
current for 60 s
110% of the rated output
2 kHz Swing-PWM
current for 60 s
(oL2)
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