EN
4 - INSTALLATION
THIS MANUAL IS PROPERTY OF SCM INDUSTRIA S.P.A - ANY TOTAL OR PARTIAL REPRODUCTION IS STRICTLY FORBIDDEN
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4
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The yellow-green earth cable must have the same section as the power cable wires and must comply with the
current safety regulations of the country where the machine is installed.
DANGER-WARNING:
use the table indicated below and select the cable section and the “RETARDED INTERVENTION”
fuses to fit ahead of the machine.
ELECTRICAL INPUT (Amp.)
CABLE SECTION
(mm²)
AM FUSE
0
Æ
10
2,5
12 A AM
10
Æ
14
4,0
16 A AM
14
Æ
18
6,0
20 A AM
18
Æ
22
6,0
25 A AM
22
Æ
28
10,0
32 A AM
28
Æ
36
10,0
40 A AM
36
Æ
46
16,0
50 A AM
46
Æ
54
16,0
63 A AM
54
Æ
76
25,0
80 A AM
76
Æ
92
35,0
100 A AM
92
Æ
110
50,0
125 A AM
DANGER-WARNING:
- the machine is not protected against risks of electrocution due to indirect contact (ref. 6.3 of the
European Standard EN60204-1).
- The machine is not protected against overcurrent arising from a short circuit in the machine
feeder (ref. 7.2 of European Standard EN60204-1).
NOTE-INFORMATION:
the Customer is in charge of the protection against these risks, and must refer to specialised
technicians (electrician who installs electric systems).
NOTE-INFORMATION:
with regard to this, in the following systems:
1) TT type, Low Voltage, mains-powered
2) TN type, Medium Voltage, mains-powered
the machine power supply line must be protected by Residual Current Devices, suitably
coordinated with the user's earthing system (ref. IEC 60364-4-41; HD 60364-4-41).
The maximum value of the differential intervention current is equal to 300 mA for environments
with a greater risk of fire (to ensure protection against fire caused by currents dispersed towards
the ground).
For TN type systems, the system must be type TN-S with separate neutral and protective earth
conductors ( IEC 60364-4-482; HD 384.4.482 ).
SCM machines provide the end-customer with a TN-S power supply. Under different situations, transformers
(available as an option) or auto-transformers must be installed upstream the machine.