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BERGES
2.4
Berges electronic • D–51709 Marienheide-Rodt • Tel. 02264/17-0 • Fax 02264/17126
Line Fuse or Circuit Breaker Sizing
The user must provide either a circuit breaker or a fused disconnect switch in
accordance with the local codes.
ATTENTION!
The following rules should be used to select the correct size of the input line fuses or circuit
breaker.
A.
Sizing
The ACP inverter is able to withstand a 150% overload for 60 seconds. Minimum voltage
rating for the protection device should be 500 VAC for ACP 6000 models.
B.
Fuse Type
To guarantee a maximum protection of the inverter fuses should be used for current
Limitation. These fuses should have a breaking capacity of 200,000 Aeff. Table 2.4 shows
the recommended values in amps for all ACP-inverters. For 400 V mains supplies we
recommend time-lag type NEOZED-fuses.
ACP 6000
KW
Rating (A)
0.75 1.5
2
4
2.2
3.0
4.0
5.5
7.5
11
15
22
30
37
45
55
6
6
10
16
16
25
32
50
63
80
100 125
Table 2.4
For mains supplies with rated voltage exceeding 400 V the semi-lag fuses type
“Bussmann FRS-R” are recommended. For currents between 15 and 200 amps the typical
disconnection times are 150–250 sec. for 2 times the overcurrent and 180–1500 msec. for
10 times the overcurrent.
2.5
Wiring Practices
ATTENTION!
Care should be taken to ensure that field wiring is installed in accordance with the
National standard. Where local codes exceed these requirements, they must be
followed.
Power Wiring
Power wiring are those wires which are connected during installation to the power circuit
terminals, L1, L2, L3, M1, M2, and M3. Power wiring must be selected as follows:
1. Use only VDE, UL or CUL recognized wire.
2. Wire voltage rating must be a minimum of 600 V for 400 V systems.
3. Refer to table 2.5 for details of the wire cross sections for mains/motor connection (DIN
VDE 0298, Part 4). The cables must posses copper conductors and must be designed
for an insulation class up to 60 °C or 75 °C. Refer to table 1.5 “Maximum motor ratings,
Continuous, A”.
4. Grounding must be in accordance with VDE, NEC and CEC.
28
Operating manual
ACP 6000SLV — 0.75–55
30.10.97
05_GB