Mitsubishi Electric FR-A720-0.4K Instruction Manual page 201

FR-A740- K
Rated fuse voltage(V)
Without power
Fuse factor improving
maximum reactor
allowable With power
rating (A)* factor improving
reactor
Molded case circuit
breaker (MCCB)
maximum allowable
rating (A)*
* Maximum allowable rating by US National Electrical Code.
Exact size must be chosen for each installation.
Class RK5 or Class T or Class L fuses or UL 489 Molded Case Circuit Breaker (MCCB) must be provided.
FR-A740- K
Rated fuse voltage(V)
Without power
Fuse factor improving
maximum reactor
allowable With power
rating (A)* factor improving
reactor
Molded case circuit
breaker (MCCB)
maximum allowable
rating (A)*
* Maximum allowable rating by US National Electrical Code.
Exact size must be chosen for each installation.
(4) Wiring of the power supply and motor
For wiring the input (R/L1, S/L2, T/L3) and output (U, V, W) terminals of the inverter, use the UL Listed copper, stranded
wires (rated at 75°C) and round crimping terminals. Crimp the crimping terminals with the crimping tool recommended
by the terminal maker.
(5) Short circuit ratings
• 200V class
Suitable For Use in A Circuit Capable Of Delivering Not More Than 100kA rms Symmetrical Amperes, 264V Maximum.
• 400V class
55K or lower
Suitable For Use in A Circuit Capable Of Delivering Not More Than 100kA rms Symmetrical Amperes, 528V Maximum.
75K or higher
Suitable For Use in A Circuit Capable Of Delivering Not More Than 100kA rms Symmetrical Amperes, 550V Maximum.
194
0.4 0.75 1.5 2.2
6 10 15 20
6 10 10 15
15 15 15 15
75 90 110 132
⎯ ⎯ ⎯ ⎯
300 350 400 500
350 450 500 600
3.7 5.5 7.5 11
480V or more
30 40 70 80
25 35 60 70
20 30 40 50
160 185 220 250
500V or more
⎯ ⎯ ⎯ ⎯
600 700 800 900
800 800 1000 1200 1200 1200 1600 1600 2000 2000
15 18.5 22 30
90 110 150 175
90 100 125 150
70 90 100 125
280 315 355 400
⎯ ⎯ ⎯ ⎯
1000 1100 1200 1350 1500 1800
37 45 55
200 250 300
175 200 250
150 200 250
450 500
⎯ ⎯