User manual

11
Version 2.4 (10/2011) en
Original instructions
Drum Motor
General technical information
Optional version: PTC
(positive temperature
coefficient resistor)
Maximum operating voltage V 25
Thermal time constant s < 10
Resistance at switching temperature + 15 K  1330 ... 4000
+ 5 K  550 ... 1330
 550
- 5 K  250 ... 550
- 20 K  < 250
PTC
Hint
It is advisable to connect the motor through a conventional external thermal
current overload relay/contactor especialy when the motor is not equipped with
an internal thermal coil protection.