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Motors-D81.1-complete-English-06-2020

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© Siemens <strong>2020</strong><br />

■ Overview<br />

Introduction<br />

General information<br />

Cut-away diagram of a low-voltage motor<br />

1<br />

$ Motor protection page 1/32<br />

Motor connection and terminal box page 1/35<br />

Voltages, currents and frequencies page 1/23<br />

% Windings and insulation page 1/27<br />

Coolant temperature and installation altitude page 1/29<br />

& Heating and ventilation page 1/30<br />

Mechanical version page 1/45<br />

Degrees of protection page 1/44<br />

Modular technology page 1/77<br />

Special technology page 1/95<br />

( Bearings and lubrication page 1/52<br />

) Shaft and rotor page 1/48<br />

Balance and vibration severity page 1/50<br />

* Colors and paint finish page 1/14<br />

+ Types of construction page 1/45<br />

, Rating plate and additional rating plates page 1/24<br />

Siemens D 81.1 · <strong>06</strong>/<strong>2020</strong><br />

1/13

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