NORD Drivesystems B1091-1 - Manual (Page 18)

Motors in fi operation for Category 3D – Planning guideline for B 1091
18 B 1091-1 GB-3213
2. Technical Data
Data:
Motor type: IE1 and IE2 * Category: 3D
Mains voltage: 400 V Circuit: See tables
Surface temperature: T125 °C / T140 °C Ambient temperature Tu: max. 40 °C
* Values also apply for IE2 (Labelling xH), e.g. 80LH/4
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2.1 Motors
Information Increased ambient temperature
Operation is possible up to an ambient temperature of 60 °C. The stated torques must then be reduced to 72 %.
Information Interpolation
A linear interpolation of the data between adjacent frequencies is permissible.
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