Fuji Electric FRENIC-Ace series, User Manual

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11.3 Molded Case Circuit Breaker (MCCB), Residual-current-operated Protective Device
(RCD)/Earth Leakage Circuit Breaker (ELCB) and Magnetic Contactor (MC)
11-11
SE
LEC
TI
N
G
P
E
R
IPH
ER
AL
E
Q
U
IPM
E
N
T
Chap 1
1
Table 11.3-1 Rated Current of Molded Case Circuit Breaker (MCCB), Residual-Current-Operated Protective
Device (RCD)/ Earth Leakage Circuit Breaker (ELCB) and Magnetic Contactor (MC) (continued)
HND mode (kW rating motor)
Power supply
voltage
Nominal
applied
motor
(kW)
Inverter type
MCCB, RCD/ELCB rated
current (A)
Magnetic contactor (MC)
Input circuit
Output
circuit
DC reactors (DCRs) DC reactors (DCRs)
w/ DCR w/o DCR w/ DCR w/o DCR
Three-phase
200V
0.2 FRN0001E2■ -2

5
5
SC-05 SC-05 SC-05
0.4 FRN0002E2■ -2

0.75 FRN0004E2■ -2

10
1.1 FRN0006E2■ -2

10
15
2.2 FRN0010E2■ -2

20
3.0 FRN0012 E2■ -2

20 30
5.5 FRN002 0E2■ -2

30 40 SC-4-0 SC-N1 SC-4-0
7.5 FRN0030E2 ■ -2

40 75 SC-5-1 SC-N2
SC-N1
11 FRN0040E2 ■ -2

50 100 SC-N1 SC-N2S
15 FRN0056E2 ■ -2

75 125 SC-N2 SC-N3 SC-N2
18.5 FRN0069E2 ■ -2

100
150
SC-N2S
SC-N4 SC-N2S
22 FRN0088E2■ -2

175 SC-N5 SC-N3
30 FRN0115E2■ -2

150 200 SC-N4 SC-N7 SC-N4
Three-phase
400V
0.75 FRN0002E2■ -4

5
5
SC-05
SC-05
SC-05
1.5 FRN0004E2■ -4

10
2.2 FRN0006E2■ -4

10 15
3.0 FRN0007 E2■ -4

5.5 FRN0012 E2■ -4

15 30
7.5 FRN0022E2 ■ -4

20 40 SC-4-0
11 FRN0029E2 ■ -4

30 50 SC-4-0
SC-N1
SC-4-0
15 FRN0037E2 ■ -4

40
60 SC-5-1 SC-5-1
18.5 FRN0044E2 ■ -4

75
SC-N1
SC-N2
SC-N1
22 FRN0059E2 ■ -4

50 100 SC-N2S
30 FRN0072E2 ■ -4

75
125
SC-N2 SC-N3 SC-N2
37 FRN0085E2 ■ -4

100
SC-N2S
SC-N4
SC-N2S
45 FRN0105E2 ■ -4

150
SC-N3
SC-N3
55 FRN0139E2 ■ -4

125 200 SC-N5 SC-N4
75 FRN0168E2 ■ -4

175
-
SC-N4
-
SC-N5
90 FRN0203E2 ■ -4

200 SC-N7 SC-N7
110 FRN0240E2 ■ -4

250
SC-N8 SC-N8
132 FRN0290E2 ■ -4

300
160 FRN0361E2 ■ -4

350 SC-N11 SC-N11
200 FRN0415E2 ■ -4

500 SC-N12 SC-N12
220 FRN0520E2 ■ -4

280 FRN0590E2 ■ -4

600 SC-N14 SC-N14
Note: A box (■) in the above table replaces S (Basic type) or E (EMC filter built -in type) depending on the enclosure.
A box (

) in the above table replaces GA, GB or C depending on the model.
• Install the MCCB or RCD/ELCB at the input side of the inverter. They cannot be installed at the output side of
the inverter.
• The above table lists the rated current of MCCBs and RCD/ELCBs to be used in the power control panel with an
internal temperature of lower than 50°C (122°F). The rated current is factored by a correction coefficient of 0.85
as the RCDs’/MCCBs’ and ELCBs’ original rated current is specified when using them in a surrounding
temperature of 40°C (104°F) or lower. Select an MCCB and/or RCD/ELCB suitable for the actual short-circuit
breaking capacity needed for your power systems.
• For the selection of the MC type, it is assumed that the 600 V HIV (allowable surrounding temperature: 75°C
(167°F)) wires for the power input/output of the inverter are used. If an MC type for another class of wires is
selected, the wire size suitable for the terminal size of both the inverter and the MC type should be taken into
account.
• Use ELCBs with overcurrent protection.
• To protect your power systems from secondary accidents caused by the broken inverter, use an MCCB and/or
RCD/ELCB with the rated current listed in the above table. Do not use an MCCB or RCD/ELCB with a rating
higher than that listed.