Kendrion Binder Magnete GmbH
Operating Instructions 76 ..P..B00
Last updated: 30 Dec. 2009
Page 27
Overtemperature
Δϑ
31
difference between the temperature of the electromagnetic device or a
part thereof and the ambient temperature
Limit temperatures of coil insulating
materials
in accordance with DIN VDE 0580. The individual insulating materials
are classified by insulation classes to DIN IEC 85.
Rated voltage U
N
supply voltage specified by the manufacturer for voltage windings to
identify the device or component
Rated current I
B
amperage determined by the manufacturer for the specified operating
conditions. Unless otherwise specified, the rated current refers to the
rated voltage, 20°C winding temperature and to the rated frequency for
a given operating mode of voltage windings.
Rated power P
N
power value to identify the device or component
Rated power at 20°C winding temperature P
B
determined from the rated current of voltage-controlled devices and
components and the R
20
resistance at 20°C winding temperature
