Chapter 3 Ambient Environment and Installation
3-4
E. Fuse types
Drive input fuses are provided to disconnect the drive from power in the event that a component fails in
the drive’s power circuitry. The drive’s electronic protection circuitry is designed to clear drive output
short circuits and ground faults without blowing the drive input fuses. Table below shows the N310
input fuse ratings.
To protect the inverter most effectively, use fuses with current-limit function.
Horsepower
power supply
standard
Fuse types
1/2 15A, 600VAC, 100KA I.R.
3
200-240V
20A, 600VAC, 100KA I.R.
1 5A, 600VAC, 100KA I.R.
2 10A, 600VAC, 100KA I.R.
3 15A, 600VAC, 100KA I.R.
5 20A, 600VAC, 100KA I.R.
7.5/10 40A, 600VAC, 100KA I.R.
15
380-480V
70A, 600VAC, 100KA I.R.
※Notice
z To avoid shock hazards, do not touch any electrical component when the power is applied or with in
five minutes after the power is disconnected. Any inspection should be performed after the charge
indicator goes off.
z Do not perform wiring on the inverter with power on. Disregard of this notice may result in serious
injury.
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