Motor overload multiple M = Iout/(In*K)
In is rated motor current, Iout is VFD output
current, K is motor overload protection
coefficient.
A smaller value of K indicates a bigger value
of M.
When M=116%, protection is performed after
motor overload lasts for 1 hour; when
M=150%, protection is performed after motor
overload lasts for 12 minutes; when
M=180%, protection is performed after motor
overload lasts for 5 minutes; when M=200%,
protection is performed after motor overload
lasts for 1 minute; and when M ≥ 400%,
protection is performed immediately.