Feed net marking

[adelaida]

Характеристики электродвигателя насоса:

Electric motor: Three-phase asynchronous squirrel cage motor
Electric motor type: 1LG4 206 -2AA61/SIEMENS
Output: 30 [kW]
Voltage: 400 10% [V]
Frequency: 50 +3% -5% [Hz]
Efficiency class EFF2
Feed net marking

Что такое "Feed net marking"?
Спасибо!