BONFIGLIOLI Vectron AEC 401 Series, Operating Instructions Manual

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11/17 Operating Instructions AEC 51
 Provide proper equipotential bonding within the system or plant. Plant components such as electrical
cabinets, control panels, machine frames must be connected by means of PE cables, i.e. sufficient
area and with good conductivity.
 The shield of the control cables is to be connected to ground potential properly, i.e. with good
conductivity, on both sides (shield clamp). Mount shield clamps for cable shields close to the unit.
 Connect the AEC and its components to an earthing point via short cables.
 Excessive cable length and loosely suspended cabling must be avoided.
 Contactors, relays and solenoids in the electrical cabinet are to be provided with suitable interference
suppression components.
 Separate installation of power cables (AC and DC) and control cables is required.
 Cables with a length >300 mm must be shielded, the cable shield must be connected to the mounting
plate on both sides. Use twisted cables where possible.
8.2 Conductor cross-section
 The cable dimensions must be selected according to the current load and voltage drop to be
expected.
 Select the cable cross-section of the cables such that the voltage drop is as small as possible.
 Comply with any additional national and application-specific regulations and the separate UL
instructions.
 The mains fuses and cable cross-sections are to be selected according to DIN VDE 0100 Part 430 and
DIN VDE 0298 Part 4 for the nominal operating point of the mains unit.
 According to UL/CSA, approved Class 1 copper lines with a temperature range of 60/75 °C and
matching mains fuses are to be used for the power cables.
 Protective earth (PE) conductor cross-section is to be dimensioned as per (PE) EN61800-5-1.
 For typical mains cable fuses, refer to chapter “Fuses”.
PE-conductor
According to EN61800-5-1, the cross-sections of the PE conductor shall be dimensioned as follows:
Mains cable Protective conductor
Mains cable up to 10 mm² Install two protective conductors of the same size as the mains cable, or
one protective conductor of a size of 10 mm².
Mains cable 10…16 mm² Install one protective conductor of the same size as the mains cable.
Mains cable 16…35 mm² Install one protective conductor of a size of 16 mm².
Mains cable > 35 mm² Install one protective conductor of half the size of the mains cable.
The following table provides an overview of typical conductor cross-sections (copper cable with PVC
insulation, 30 °C ambient temperature, continuous mains current max. 100% nominal input current). Actual
mains cable cross-section requirements may deviate from these values depending on actual operating
conditions.
Mains connection
AEC 401 Mains cable PE-conductor
-19 9.7 kVA 2.5 mm² 2x2.5 mm² or 1x10 mm²
-21 12.5 kVA 2.5 mm² 2x2.5 mm² or 1x10 mm²
-22 15.2 kVA 4 mm² 2x4 mm² or 1x10 mm²
-23 17.3 kVA 4 mm² 2x4 mm² or 1x10 mm²
-25 22.2 kVA 6 mm² 2x6 mm² or 1x10 mm²
-27 27.7 kVA 10 mm² 1x10 mm²
-29 31.2 kVA 10 mm² 1x10 mm²
-31 41.6 kVA 16 mm² 1x16 mm²
-33 52.0 kVA 25 mm² 1x16 mm²
-35 62.3 kVA 35 mm² 1x16 mm²
-37 76.2 kVA 35 mm² 1x16 mm²
-39 86.6 kVA 50 mm² 1x25 mm²