Technical data
127
Symbols
Note: The ratings apply in an ambient temperature of 40 °C (104 °F). In lower
temperatures, the ratings are higher.
Nominal ratings
I
max
Maximum output current. Allowable for 10 seconds at start, otherwise as long as allowed
by drive temperature.
P
cont.max
Typical motor power. The power ratings apply to most 4-pole NEMA-rated motors at
nominal voltage (460 or 575 V).
Normal use (10% overloadability)
I
2N
Continuous rms current. 10% overload is allowed for 1 minute every 5 minutes.
P
N
Typical motor power. The power ratings apply to most 4-pole NEMA-rated motors at
nominal voltage (460 or 575 V).
Heavy-duty use (50% overloadability)
I
2hd
Continuous rms current. 50% overload is allowed for 1 minute every 5 minutes.
P
hd
Typical motor power. The power ratings apply to most 4-pole NEMA-rated motors at
nominal voltage (460 or 575 V).
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