8

Carlo Gavazzi Controls S.p.A.

WM15

WM15 DS ENG

26/01/2021

Voltage inputs Non MID models

AV5 3X

AV5 3H

Voltage connection

Direct

Rated voltage L-N (from Un min

to Un max)

120 to 240 V

120 to 347 V

Rated voltage L-L (from Un min

to Un max)

208 to 415 V

208 to 600 V

Voltage tolerance

From 0.8 to 1.15 Un

Overload

Continuous: 1.5 Un max

Input impedance

Refer to “Power supply”

>1600 kΩ

Frequency

From 45 to 65 Hz

Note: for MID versions the voltage range is limited to 3x230 (400) V, frequency to 50Hz.

NOTE: WM15 can also be installed in a wild leg system (three phases, four delta wires), where one of the

phase-neutral voltages is higher than the other two.

Fig. 3 AV5 3H

Fig. 4 AV5 3X, AV5 3H

Current inputs

Current connection

Via CT

CT transformation ratio

2000 max

Rated current (In)

5 A

Minimum current (lmin)

0.05 A

Maximum current (lmax)

6 A

Start-up current (lst)

10 mA

Overload

For 500 ms: 20 Imax (120 A)

Input impedance

< 0.2 VA

Crest factor

3

Measurement type

by means of internal shunts non mutually insulated (AV5 3X)

by means of internal CT (AV5 3H)

Power supply

AV5 3X

AV5 3H

Type

Self power supply

Auxiliary power supply from 120 to 240

V ac/dc

Frequency

50/60 Hz