Three-phase induction motors with foreign cooling
Description of the catalogue motors: 
general purpose motors; temperate climate,
duty S1,
rated voltage 230V/400V (/Y),
frequency 50 Hz,
- ambient temperature from -15°C to +40°C.
In drive units with foreign cooling the motor which is responsible for cooling may be manufactured in IP 53 degree of protection (PO 1 designation) or in IP 20 degree of protection (PO 2 designation).