IL
IL*110%
1 min
9 min
I
t
IL*110%
Fig. 46: Low overload
The high overload means that if 150% of the continuous current (I
H
) is necessary for 1
minute each 10 minutes, the remaining 9 minutes must be approximately 92% of I
H
or less.
This is to make sure that the output current is not more than I
H
during the duty cycle.
IH
IH*150%
1 min
9 min
IH*150%
I
t
Fig. 47: High overload
For more information, refer to the standard IEC61800-2 (IEC:1998).
8.1.6
BRAKE RESISTOR RATINGS
Make sure that the resistance is higher than the set minimum resistance. The power
handling capacity must be sufficient for the application.
TECHNICAL DATA, VACON® 100
VACON · 123
24-HOUR S358 (0)201 212 575 · EMAIL: [email protected]
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