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Technical Specifications

AC Voltage Inputs

3 voltage and 1 neutral inputs 50/60Hz

Reference voltage Un 57.73V up to 120V L-N (standard) (via PT)

Voltage rating: 57.73 up to 120 Volts (L-N), 100 to 207 Volts (L-L)

Voltage range Crest factor >2 [VL-N

x 1.2 x 2]

Maximum Line to Line voltage

Temporary over voltage between live conductors and earth Transient over voltage between live conductors and earth (optional, from 15 μs up to ms)

Starting voltage1

Burden per phase

Overload withstand for 1 minute phase-to-ground (ANSI C12.1 & IEC 62053-22, protective class II)

Rated impulse voltage (ANSI C12.1 & IEC 62052-11, protective class II)

Terminals for wires size

Reference voltage U 277V L-N (future option) (without PT) n

Voltage rating: 277 Volts (L-N), 480 Volts (L-L)

Voltage range Crest factor >2 [VL-N

x 1.2 x 2]

Maximum Line to Line voltage

Temporary over voltage between live conductors and earth Transient over voltage between live conductors and earth (optional, from 15 μs up to ms)

Starting voltage

Burden per phase

Overload withstand for 1 minute phase-to-ground (IEC 62053- 22, protective class II)

Rated impulse voltage (ANSI C12.1 & IEC 62052-11, protective class II)

Terminals for wires size

Ground input

Terminals for wires size

AC Current Inputs

3 (4 optional) Galvanic isolated inputs

Reference Current Basic model In = 5A (TA = 2.5A)

Current class Imax

Maximum measurable short circuit current (Isc)

Burden per phase (In = 5 A)

Starting current (I1, I2, I3)

Over current withstand for 1 s non-recurring

Isolation

Terminals for wires size

3 (4 optional) Galvanic isolated Inputs

1

Starting voltage, interruptions and dips measurement applicable only with installed APS

12

High input impedance > > 10MΩ

0-144 V r.m.s, peak up 288V (for PQ)

500 V r.m.s

240 V r.m.s 1.5 kV peak

0.1%U

n

< 0.2VA

4000V AC

6000V peak

Blades (Socket meter standard—C12.10)

0-332V r.m.s, peak up 665V (for PQ)

1152V r.m.s

1.5 kV r.m.s 6kV peak, 2kV possible measurement

0.1%U

n

< 0.5 VA

4000V AC

6000V peak

Blades (Socket meter standard—C12.10)

According to Socket meter standard—C12.10

10A & 20A

10 x I

n

< 0.2 VA

0.1% I

n

50 x I

n

4000V AC

Blades (Socket meter standard – C12.10)

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