3.3 Installation
The regulations and standards used as the basis for designing and testing this machine are
stamped on the rating plate. The machine design basically complies with the following
standards:
Table 3-1 Applicable general regulations
Feature Standard EAC
Dimensioning and operating behavior EN/IEC60034-1 GOSTIEC60034-1
Procedure for determining the losses and the eciency of rotating electrical
machines and inspections
EN/IEC60034-2-1
EN/IEC60034-2-2
EN/IEC60034-2-3
GOSTIEC60034-2-1
GOSTIEC60034-2-2
GOSTIEC60034-2-3
Degree of protection EN/IEC60034-5 GOSTIEC60034-5
Cooling EN/IEC60034-6 GOSTRIEC60034-6
Type of construction EN/IEC60034-7 GOSTRIEC60034-7
Terminal designations and direction of rotation EN/IEC60034-8 GOST26772
Noise emission EN/IEC60034-9 GOSTIEC60034-9
Integrated thermal protection EN/IEC60034-11 GOST27888
Starting characteristics of rotating electrical machines EN/IEC60034-12 GOSTIEC60034-12
Vibration severity grades EN/IEC60034-14 GOSTIEC60034-14
Eciency classication of three-phase squirrel-cage induction motors EN/
IEC60034-30-1
GOSTIEC60034-30-1
Rotating electrical machines - Part 30-2: Eciency classication of variable speed
AC motors (IE-code)
IEC/
TS60034-30-2
GOSTIEC/
TS60034-30-2
IEC standard voltages IEC60038 GOSTRIEC61800-1
3.3.1 Cooling and ventilation
3.3.1.1 General
The machines of this series have a closed primary (internal) cooling circuit and an open
secondary cooling circuit (surface cooling). The surface cooling varies depending on the
version.
Description
3.3Installation
1LE1, 1FP1/3, 1PC1/3 shaft height 63 ... 315
24 Operating Instructions, 11/2023, A5E38483075A