Lenze 9300 0.37kW-75kW - Manual (Page 173)

Electrical installation
Standard devices in the power range 15 ... 30 kW
Motor connection
5
l
173 EDKVS9332X DE/EN/FR 6.1
Characteristics of the connection for motor temperature monitoring:
Terminals T1, T2
Connection l PTC thermistor
– PTC thermistor with defined tripping temperature (acc. to DIN 44081 and
DIN 44082)
l Thermal contact (NC contact)
– Thermostat as NC contact
Tripping point l Fixed (depending on the PTC/thermal contact)
l PTC: R J

> 1600 W
l Configurable as warning or error (TRIP)
Notes l Monitoring is not active in the Lenze setting.
l If you do not use a Lenze motor, we recommend the use of a PTC thermistor up
to 150°C.
PE PE
T1 T1
T2 T2
U V W
4 4
T1
T2 2.5 Nm
22,1 lb-in T1
T2 2.5 Nm
22,1 lb-in
}
+
PE
}
+ PE
0 0
1 1
3
2 2
 ‚
U, V, W,
PE
5 Nm
44 lb-in
M 6
9300std030
Fig. 5−12 Motor connection with PTC thermistor or thermal contact (NC contact)
 0 Motor connection with Lenze system cable with integrated control cable for the motor
temperature monitoring
1 Shield sheet
Clamp entire shield and shield of the control cable for the motor temperature monitoring
with the straps. If required, fix by means of cable tie.
‚ 0 Motor cable connection and separate control cable for the motor temperature monitoring
1 Shield sheet
Clamp shield of the motor cable and shield of the cable for the motor temperature
monitoring with the straps. If required, fix by means of cable tie.
2 PE stud
PE cable connection with ring cable lug
3 U, V, W
Motor cable connection
Check the correct polarity. Observe maximum length of the motor cable.
Max. connectable cable cross−section: 50 mm
2 with ring cable lug
4 T1, T2 for motor temperature monitoring
Cable connection for PTC thermistors or thermal contacts (NC contacts)
Motor with KTY thermal sensor
)
Note!
ƒ We recommend to use Lenze system cables for wiring.
ƒ For self−made cables only use cables with shielded cores twisted in pairs.