Data Sheet - Electrical Connection
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G-1
G
Data Sheet - Electrical Connection
Safety notes
The motor must be connected only by an authorized electrician: The relevant local regulations must
be observed when laying the cables and connecting the motor. The installation of motor protection
equipment is mandatory. Refer to the Machine Data Sheet for the electrical values. The motor turns
in the correct direction with a clockwise rotary field.
Insulation resistance
The insulation resistance must not fall below 20 MOhm on commissioning. The insulation resis-
tance must be >= 2 MOhm for further tests. The direct measuring voltage is 1000 V.
Monitoring equipment
Monitoring device
Wire
identificat
ion
Recommended
analyzing
device
Threshold
Triggered
condition
Motor monitoring
Bimetal sensor
(1st temperature
circuit)
20/21
-
-
Switch off
Bimetal sensor
(2nd temperature
circuit)
20/21/22
-
-
Low temperature:
early warning
High temperature:
switch off
PTC sensor
(1st temperature
circuit)
10/11
CM-MSS
Preset
Switch off
PTC sensor
(2nd temperature
circuit)
10/11/12
CM-MSS
Preset
Low temperature:
early warning
High temperature:
switch off
PT-100 winding
temperature sensor
1/2
DGW 2.01G
Depending
on winding*
Switch off
PT-100 bearing
temperature sensor
T1/T2
DGW 2.01G
100°C
Switch off
Pressure switch
D20/D21
-
-
Switch off
Thermo float switch
20/21
-
-
Switch off
Leak monitoring
Seal chamber / motor
chamber / terminal
chamber monitoring
DK/DK
NIV 101
30 KOhm
Warning or switch
off
Seal chamber
monitoring for Ex
DK/DK
ER 143
30 KOhm
Switch off
Table G-1: * Limit temperature: insulation class F = 140°, insulation class H = 160°, for oil motors = 110°,
PVC wire = 80°, PE2 wire = 90°
