1
Cubicle
2
Clean Earth/Ground Rail
3
AC Line Choke
4
Capacitor filter (optional)
5
AC Contactor
6
3Ø Semi-Conductor Fuses
7
External AC Supply EMC Filter (optional)
8
Branch Protection Fuses or Circuit Breaker
9
3Ø Power Supply Cable
10
Terminal Rail
11
Dirty Earth/Ground Rail
A
1 Pole MCB
B
Control Transformer
C
2 Pole MCB
D
Fan Fuses
E
Motor Overload Protection
F
Emergency Stop Relay
G
Isolated Motor Thermistor
M
Motor
* Permanent Earthing
The unit must be
permanently earthed
according to EN 50178:
A cross-section conductor
of at least 10mm
2
is
required.
This can be achieved by
using a single conductor
(PE) or by laying a
second conductor through
separate terminals (PE2
where provided) and
electrically in parallel.
Installation Diagram