Frequency Inverter ST600 Series High-Performance Multifunction VFD Installation Guide
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4.3 Standard wiring of main circuit
4.3.1 Wiring diagram of main circuit
Figure 4-13 Main circuit wiring diagram of standard model VFDs
Note:
1. The fuse, DC reactor, braking unit, braking resistor, input reactor, input filter, output reactor and
output filter are optional parts. See Appendix D Optional peripheral accessories.
2. P1 and (+) have been short connected by default for standard model VFDs 132G3 and higher.
If you need to connect to external DC reactor, take off the short-contact tag of P1 and (+).
3. When connecting the braking resistor, take off the yellow warning sign marked with PB, (+) and
(-) on the terminal block before connecting the braking resistor wire, otherwise, poor contact may
occur.
4. Braking units are optional parts for standard model VFDs 045G3 and above.
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