Circutor CIRWATT-B410T Series Instrukcja Użytkownika Pobierz pdf (Strona 24)

THREE PHASE STANDARD CIRWATT B METER

CIRWATT B THREE PHASE INSTRUCTION MANUAL

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1.30.- Features

Power supply

Mode

Self-powered

Nominal voltage

3 x 57(100) to 3 x 230(400) V

Tolerance

± 20%

Consumption

< 2W 10VA

Frequency

50 or 60Hz

Operating temperature

-40 ºC … +70 ºC

Voltage measurement

Connection

Asymmetrical

Reference voltages

3 x 57(100) to 3 x 230(400) V depending on version

Frequency

50 or 60Hz

Self-consumption of the voltage circuit

< 2W 10VA

Current measurement

Currents (In)

5 A (semi-indirect version) 10 A (direct version)

Maximum current

10 A (semi-indirect version) 100 A (direct version)

Start-up current

< 10 mA

Self-consumption of the current circuit

0,3 VA to 10 A

Accuracy

Active Energy

Class B (EN 50470)/ Class 1(IEC 62052-11, IEC 62053-21 and IEC

62053-22)

Reactive Energy

Class 2.0 (IEC 62053-23)

Calculation and processing

Microprocessor

16-bit RISC

Converter

16-bit

Memory

Data

RAM type, Lithium battery powered

Setup, events, load curve

Non-volatile FLASH-type memory

Battery:

Type

Lithium

Lifetime

> 20 years

Reserve power whilst meter without power

> 5 years

Clock:

Source

Self-compensated quartz crystal oscillator

Drift

< 0,5 seconds/day at 25 ºC

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