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TD350 Series VFD Installation guidelines

-24-

3-PH power supply

50/60Hz

Fuse

Input

reactor

Input

filter

DC reactor

Braking unit

Braking resistor

Output

reactor

Output

filter

VFD

Fig 4.10 Connection diagram of main circuit for the VFDs of 575V ≥22kW

Note:

 The fuse, DC reactor, brake resistor, input reactor, input filter, output reactor, and output filter

are optional parts. See Appendix D "Optional peripheral accessories" for details.

 P1 and (+) are short circuited in factory. If you need to use them to connect the DC rector,

remove the contact tag between P1 and (+).

4.3.2 Main circuit terminal diagram

Fig 4.11 Terminals of main circuit for the VFDs of 220V 0.75kW and 460V 1.5–2.2kW

Fig 4.12 Terminals of main circuit for the VFDs of 220V 1.5–2.2kW, 460V 4–5.5kW, and 575V 0.75–

2.2kW

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