Safety And Emc: Good Wiring Practice - IMO iDrive EDX 100V series 1-ph/0.2 – 0.75kW (0.25 – 1HP) Owner's Manual

3.3.4 Safety and EMC: Good wiring practice IP20 models
415V 50Hz
3-phase + N
Power supply
BACK PLATE
(paint/coating free)
Optional ferrite
choke, only required
if motor cable is
very long.
Note: For very long
cables an ACR
should be used
*
NOTE 1
Enclosure (& backplate) must
be connected to main earth system
2
by single 10mm c.s.a. copper
conductor to conform to BS7671
Armoured or
screened cable,
3C or 4C.
Screen
connected at all
ends as shown.
Note: Power supply side ancillary equipment
not shown in this diagram, for clarity.
Chapter 3 Environment description and installation
L1(L)
EDX-220-21-E
(for example)
P N T1 T2 T3
ENCLOSURE
Local
Isolator
3-11
*
2
10mm
2
4mm
L3(N) PE
iDrive
PE
4mm
**
**
Motor
L1
L2
L3
N
E/Ground
Brass earth studs
fixed through
back plate and
secured with
shake-proof
2
washers.
NB. Both 'PE'
terminals must be
linked to back
plate with
2
4mm (min) cable
as shown.
External earth /
ground conductor
if used.
Earth / ground
cables connected
through isolator
**
NOTE 2
Screen / armour must
be connected as shown
at each end of cable
sections.
If motor connection
box is plastic, screen
must be secured to the
metal frame of the
motor.