Getting Started

International English

If the supply is connected to the motor/output terminals, the inverter will be damaged.

Check the wiring before switching on. In particular, is the unit connected to the correct supply, (low voltage units will be damaged if connected to a higher voltage) and is the protective earth connected?

This equipment must be earthed

Inductor required for some high power units

187 - 264 V, 47 - 63 Hz

PE

L/L1

N/L2

L3

Figure 4-1

Input Wiring. Single-Phase Supplies

 

 

This equipment must be earthed

 

 

 

 

 

 

PE

PE

 

 

 

 

 

 

 

 

 

 

 

 

L/L1

L1

 

 

 

 

342 - 550 V, 47 - 63Hz, MXXX/3

 

 

 

N/L2

L2

 

446 - 660 V, 47 - 63Hz, MXXX/4

 

 

L3

L3

 

 

 

 

 

 

 

 

Figure 4-2

Input Wiring. Three-Phase Supplies

 

 

 

 

 

 

PE

Motor

 

U

U2

U1

 

 

V2

V

 

V1

 

W2

W

 

W1

Figure 4-3 1AC or 3AC, 230 V Input. (Motor usually Delta Connected)

 

 

PE

Motor

U1

U

 

 

 

V1

V

W1 W

Figure 4-4 3AC, 400 – 575 V Input. (Motor usually Star Connected)

18

MICROMASTER Applications Handbook