GE Industrial Solutions EAK guidelines - Manual (Page 8)

4. FILTERS
According to the application (installing environment and specification, in particular the length of motor cables),
the EM1 filters are being selected between the two available series:
ECF series for the applications of in the industrial plant (see table 1)
FN, Compact, Ranger or S-.... series for the applications of in residential and industrial
plant (see table 1)
4 . 1 E C F F I L T E R S
ECF filters are needed for in the industrial plant, with:
motor cable length less then 20 m for 3015 device size and higher
motor cable length less then 100 m for device size up to 3011.
Applications that require long motor cable length (greater than 20 m) or residential installation environment,
will be satisfied by the FN, Compact, Ranger or S-.... filters.
The EFC filters are parallel connected on the supply line of the device.
The some kind of filter can be used for both converter and inverter. For multi-drive applications, it is enough to
use only one filter, which should be connected to the incoming line before all mains chokes, sized for the total
power rating of all units fed.
ECF filters are connected before the main choke.
ECF filters are available in two versions:
(for single-phases Max AC mains voltage allowed: 440V)
ECF3 (for three-phases Max. AC mains voltage allowed:
Figure 4.1: filters