EN-12
Wiring Main Circuit Inputs
Installing Fuses
To protect the inverter, it is recommended to use semiconductor fuses like they are shown in the
table below.
Table 4 Input Fuse Selection
Consider the following precautions for the main circuit power supply input.
• If a moulded case circuit breaker is used for the power supply connection (R/L1, S/L2, and T/L3),
ensure that the circuit breaker is suitable for the Inverter.
• If an earth leakage breaker is used, it should be able to detect all kinds of current in order to
ensure a safe earth leakage current detection
Inverter Type
Rated Inverter
Output
Current (A)
Fuse Selection Selection Example (Ferraz)
Voltage (V) Current (A)
I
2
t (A
2
s)
Model Rating
I
2
t (A
2
s)
20P4 3.2 240 10 12~25 A60Q12-2 600V / 12A 17
20P7 4.1 240 10 12~25 A60Q12-2 600V / 12A 17
21P5 7.0 240 15 23~55 A60Q15-2 600V / 15A 26
22P2 9.6 240 20 34~98 A60Q20-2 600V / 20A 41
23P7 15 240 30 82~220 A60Q30-2 600V / 30A 132
25P5 23 240 40 220~610 A50P50-4 500V / 50A 250
27P5 31 240 60 290~1300 A50P80-4 500V / 80A 640
2011 45 240 80 450~5000 A50P80-4 500V / 80A 640
2015 58 240 100 1200~7200 A50P125-4 500V / 125A 1600
2018 71 240 130 1800~7200 A50P150-4 500V / 150A 2200
2022 85 240 150 870~16200 A50P150-4 500V / 150A 2200
2030 115 240 180 1500~23000 A50P200-4 500V / 200A 4000
2037 145 240 240 2100~19000 A50P250-4 500V/ 250A 6200
2045 180 240 300 2700~55000 A50P300-4 500V / 300A 9000
2055 215 240 350 4000~55000 A50P350-4 500V / 350A 12000
2075 283 240 450 7100~64000 A50P450-4 500V / 450A 20000
2090 346 240 550 11000~64000 A50P600-4 500V / 600A 36000
2110 415 240 600 13000~83000 A50P600-4 500V / 600A 36000
40P4 1.8 480 5 6~55 A60Q10-2 600V / 10A 10
40P7 2.1 480 5 6~55 A60Q10-2 600V / 10A 10
41P5 3.7 480 10 10~55 A60Q12-2 600V / 12A 17
42P2 5.3 480 10 18~55 A60Q15-2 600V / 15A 26
43P7 7.6 480 15 34~72 A60Q20-2 600V / 20A 41
44P0 8.7 480 20 50~570 A60Q30-2 600V / 30A 132
45P5 12.5 480 25 100~570 A60Q30-2 600V / 30A 132
47P5 17 480 30 100~640 A60Q30-2 600V / 30A 132
4011 24 480 50 150~1300 A70P50-4 700V / 50A 300
4015 31 480 60 400~1800 A70P70-4 700V / 70A 590
4018 39 480 70 700~4100 A70P80-4 700V / 80A 770
4022 45 480 80 240~5800 A70P80-4 700V / 80A 770
4030 60 480 100 500~5800 A70P100-4 700V / 100A 1200
4037 75 480 125 750~5800 A70P125-4 700V / 125A 1900
4045 91 480 150 920~13000 A70P150-4 700V / 150A 2700
4055 112 480 150 1500~13000 A70P200-4 700V / 200A 4800
4075 150 480 250 3000~55000 A70P250-4 700V / 250A 7500
4090 180 480 300 3800~55000 A70P300-4 700V / 300A 11000
4110 216 480 350 5400~23000 A70P350-4 700V / 350A 15000
4132 260 480 400 7900~64000 A70P400-4 700V / 400A 19000
4160 304 480 450
14000~250000
A70P450-4 700V / 450A 24000
4185 370 480 600
20000~250000
A70P600-4 700V / 600A 43000
4220 506 480 700
34000~400000
A70P700-4 700V / 700A 59000
4300 675 480 900
52000~920000
A70P900-4 700V / 900A 97000
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