Auxiliary power supply

Voltage range

[V]

48 - 240 VAC/VDC ±15%

Frequency

[Hz]

50 or 60 ± 5%

Power consumption

[VA]

10 VA max

Installation category

CAT III 300V class per IEC 61010-1 edition 3

Protection fuse

T1 A - 277 VAC

Measurement accuracy*

Measurement type

True RMS up to the 40th harmonic

128 samples per cycle, zero blind

IEC 61557-12

IEC 61557-12 PMD/S/K70/0,5

Active energy

Class 0,5 acc. to IEC 61557-12 [*]

Class 0,5S acc. to IEC 62053-22

Reactive energy

Class 2 acc. to IEC 61557-12

Class 2S acc. to IEC 62053-23

Active power

Class 0,5 acc. to IEC 61557-12

Reactive power

Class 2 acc. to IEC 61557-12

Class 1 acc. to IEC 61557-12

Apparent power

Class 0,5 acc. to IEC 61557-12

Voltage

Class 0,2 acc. to IEC 61557-12

Current

Class 0,2 acc. to IEC 61557-12

Neutral current

Calculated

Class 0,2 acc. to IEC 61557-12

Frequency

Class 0,1 acc. to IEC 61557-12

Unbalances (Current, Voltage)

Class 0,2 acc. to IEC 61557-12

Harmonics, THD (Current, voltage)

Class 1 acc. to IEC 61557-12

Voltage measurement inputs

Measurement range

[V]

50 - 400 VAC (L-N) 87 - 690 VAC (L-L)

Measurement category

400V~ (CAT III)

Rated frequency

[Hz]

50-60 Hz

Max. VT secondary (indirect connection)

[V]

400 VAC (L-N)

Max over voltage

[V]

800 VAC (L-L)

Protection fuse

[V]

T1 A - 277 VAC

*Accuracy referred to insertion with .../5A CT or Rogowski coils, according to product version. Derating for .../1A CT.

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Technical features

M4M 20

M4M 30