Nord Drivesystems SK 180E Series, User Manual

Page: 172 / 212

NORDAC BASE (SK 180E / SK 190E) – Users Manual for Frequency Inverters
172 BU 0180 en-4118
7.2 Electrical data
The following table lists the electrical data for frequency inverters. The details based on measurement
series for the operating modes are for orientation purposes and may deviate in practice. The
measurement series were made at the rated speed with 4-pole NORD standard motors
The following factors have a particular influence on the determined limiting values:
Wall mounted
• Installation location
• Influence from adjacent devices
• Additional air currents
and also with
Motor Mounted
• Type of motor used,
• Size of motor used
• Speed with internally ventilated motors
• Use of external fans.
Information
Single phase operation
For single phase operation (115 / 230 V) the mains impedance must be at least 100 µH for each conductor. If this
is not the case, a mains choke must be installed.
Failure to comply with this may cause damage to the device due to impermissible currents in the components.
Information
Information about current and power
The powers stated for the operating modes are only a rough categorisation
The current values are more reliable details for the selection of the correct frequency inverter/motor combination!
The following tables contain the data which is relevant for UL(please see chapter 1.6.1 "UL and CSA
approval").